Look up any web term, A-Z.
Every term spelled out and cross-referenced, the way a good reference book should be.
474 terms · 3,873 connections · 27 categories
474terms3,873connections27categories
Filter by category
#
- 301 RedirectA 301 redirect is a permanent redirect that passes nearly all link equity from the old URL to the new URL, signaling to search engines…
- 302 RedirectA 302 redirect is a temporary redirect that tells search engines the move is not permanent, preserving the original URL as the canonical…
- 404 ErrorA 404 error is an HTTP status code indicating that a requested page does not exist on the server, typically due to a broken link, deleted…
A
- A/B TestingA/B testing is a controlled experiment that compares two versions of a web page or element to determine which performs better against a…
- Above the FoldAbove the fold refers to the portion of a webpage visible without scrolling.
- Accessibility (a11y)Accessibility (often shortened to a11y for the 11 letters between the A and the Y) means designing and building digital products that…
- Accessibility AuditAn accessibility audit is a systematic evaluation of a website, application, or digital product against accessibility standards (typically…
- Accessibility OverlayAn accessibility overlay is a third-party script (typically JavaScript) that a website operator adds to their site, claiming it will…
- Accessible FormsAccessible forms are form controls that every user can perceive, understand, and complete.
- AccordionAn accordion is a vertically stacked set of collapsible panels that users can expand or collapse to reveal or hide content.
- Account-Based Marketing (ABM)Account-Based Marketing (ABM) is a strategic approach that coordinates marketing and sales resources to target, engage, and convert a…
- ADA ComplianceADA compliance in the digital context means ensuring a website or mobile application meets the accessibility requirements of the Americans…
- Affiliate MarketingAffiliate marketing is a performance-based channel where businesses pay external partners (affiliates) a commission for driving qualified…
- Agentic SearchAgentic search is search performed by AI agents on behalf of users.
- Agentic WorkflowAn agentic workflow is a structured process where AI agents autonomously plan, execute, and iterate on multi-step tasks, using tools and…
- Agile DevelopmentAgile development is an iterative approach to software development that emphasizes flexibility, collaboration, customer feedback, and…
- AI Agent / Autonomous AgentAn AI agent is an LLM-powered system that can independently plan, use tools, execute multi-step tasks, and make decisions to achieve a…
- AI CitationsAI citations are references to a source (website, article, video) included in AI-generated answers.
- AI Crawler (GPTBot, ClaudeBot, PerplexityBot)AI crawlers are bots operated by AI companies (OpenAI, Anthropic, Perplexity) that index web content for LLM training and/or real-time…
- AI GatewayAn AI gateway is a middleware layer that sits between your applications and AI model providers, handling routing, security, rate limiting…
- AI ModeGoogle AI Mode is an advanced search interface within Google Search that provides Gemini-powered conversational, multi-step reasoning with…
- AI ObservabilityAI observability is the practice of monitoring, tracing, and analyzing AI system behavior in production to understand why models produce…
- AI OverviewGoogle's AI Overview is a generative answer block displayed above organic search results, synthesizing information from multiple sources…
- AI Visibility PyramidThe AI Visibility Pyramid is a framework (popularized by Animalz) that organizes AI search optimization into three layers: SEO…
- AI-Assisted Development (Cursor / Copilot)AI-assisted development uses LLMs to help developers write, debug, and understand code in real time.
- AlgorithmA search algorithm is a complex set of rules and calculations a search engine uses to rank web pages in response to a user query.
- Algorithm UpdateAn algorithm update is a significant change to how a search engine ranks content, often causing measurable shifts in search results and…
- Alt TextAlt text (alternative text) is an HTML attribute added to image tags that describes the image content for accessibility and search engine…
- Alt TextAlt text (alternative text) is the text description embedded in an image's HTML alt attribute that screen readers announce in place of the…
- Anchor TextAnchor text is the visible, clickable text in a hyperlink.
- AngularAngular is a TypeScript-based web application framework developed by Google.
- Animation / Motion DesignAnimation and motion design in interfaces use movement to guide attention, provide feedback, indicate transitions, and add personality.
- Answer EngineAn answer engine is a search platform that delivers direct answers instead of links.
- Answer Engine OptimizationAEO is the practice of structuring content so AI-powered answer engines (ChatGPT, Perplexity, Google AI Overviews) cite your brand as a…
- APIAn API (Application Programming Interface) is a set of defined rules that enables one software application to communicate with and use the…
- App Bundle / AABThe Android App Bundle (AAB) is Google's required publishing format that generates optimized APKs for each device configuration, reducing…
- App Store Optimization (ASO)The process of improving a mobile app's visibility and conversion rate in app store search results.
- ARIAARIA (Accessible Rich Internet Applications) is a W3C specification that supplies the semantics missing in plain HTML for interactive…
- Artificial IntelligenceArtificial Intelligence is the simulation of human intelligence by machines, especially computer systems.
- AstroAstro is a content-focused web framework that ships zero JavaScript by default.
- Atomic AnswerAn atomic answer is a self-contained, citable content unit that answers exactly one question.
- Atomic Design (Atoms / Molecules / Organisms)Atomic Design is a methodology for creating design systems by breaking interfaces into a hierarchy of components: atoms (basic elements)…
- Attribution Modeling (First-Click, Last-Click, Multi-Touch, Data-Driven)Attribution modeling is the framework that determines how credit for conversions is assigned to different marketing touchpoints along a…
- Authentication vs AuthorizationAuthentication verifies who you are.
- Authentication vs AuthorizationAuthentication verifies who you are (identity).
- AVIFAVIF (AV1 Image File Format) is the most compression-efficient image format available, offering 50% smaller files than JPEG and 20-30%…
- AWS (EC2 / S3 / CloudFront / Lambda)Amazon Web Services (AWS) is Amazon's cloud computing platform.
- axe-coreaxe-core is an open-source accessibility testing engine developed by Deque Systems.
B
- B2B MarketingB2B marketing is the practice of promoting products and services to other businesses rather than individual consumers.
- BacklinkA backlink is a link from one website to another.
- Backup StrategyA backup strategy defines what data you protect, how often you back it up, where you store backups, and how you restore them.
- Baited PageA baited page is a web page structured to be fully citable by AI for problem definition, partially citable for solution description, and…
- BigCommerceBigCommerce is an open SaaS ecommerce platform built for mid-market and enterprise businesses.
- Black Hat vs White Hat SEOWhite hat SEO follows search engine guidelines to improve rankings through legitimate means.
- BLUF (Bottom Line Up Front)BLUF (Bottom Line Up Front) is a writing principle where the main answer or conclusion comes in the first sentence, followed by supporting…
- Bounce RateBounce rate is the percentage of sessions that were not engaged.
- Brand GuidelinesBrand guidelines are the official rulebook for how a brand should be presented across every medium, covering logo usage, color values…
- Brand IdentityBrand identity is the visible and tangible expression of a brand: its logo, colors, typography, imagery, voice, and all visual and verbal…
- Breadcrumb NavigationBreadcrumb navigation is a secondary navigation system that shows users their current location within a website's hierarchy, typically…
- Browser CachingStoring previously downloaded resources on the user's device so subsequent page loads (or return visits) can skip network requests entirely.
- BundlingBundling is the process of combining multiple source files (JavaScript modules, CSS files, assets) into fewer, optimized output files for…
C
- CAC (Customer Acquisition Cost)Customer Acquisition Cost (CAC) is the total cost of acquiring a new customer, including all marketing and sales expenses divided by the…
- Caching (Redis)Caching is the technique of storing frequently accessed data in a fast, temporary storage layer to serve future requests faster.
- Call to Action (CTA)A CTA is a prompt that tells the user what to do next.
- Canonical TagA canonical tag (`rel=canonical`) is an HTML element that tells search engines which version of a URL is the preferred or master version…
- CapacitorAn open-source native runtime from the Ionic team that allows web applications to run as native mobile apps with access to device APIs.
- CAPTCHA / reCAPTCHA / TurnstileCAPTCHA and its modern alternatives (reCAPTCHA, Cloudflare Turnstile) are challenge-response tests used to distinguish human users from…
- Captioning / TranscriptsCaptions are synchronised text that displays spoken dialogue, sound effects, and other audio information during video playback.
- Case StudyA case study is a detailed account of how a specific customer achieved results using your product or service.
- CCPA / CPRAThe California Consumer Privacy Act (CCPA) and California Privacy Rights Act (CPRA) are California state laws granting residents rights…
- ccTLD (Country Code TLD)A ccTLD is a two-letter top-level domain assigned to a specific country, sovereign state, or territory, such as .uk (United Kingdom), .jp…
- ChatGPT SearchChatGPT Search is OpenAI's AI-powered search engine that combines web retrieval with GPT generation.
- Checkout AbandonmentCheckout abandonment is when a user adds items to their cart but leaves before completing the purchase.
- ChunkingChunking is the process of breaking content into smaller, semantically coherent segments that AI retrieval systems can index and retrieve…
- CI/CD (GitHub Actions)CI/CD automates the process of testing and deploying code changes.
- Citation GapThe citation gap is the difference between your brand's citation rate and your competitors' citation rates in AI-generated answers.
- Citation RateCitation rate measures how often your brand or content is cited in AI-generated answers relative to total relevant queries.
- Click-Through Rate (CTR)CTR is the percentage of people who click on a specific link or CTA out of the total who see it.
- Client-Side Rendering (CSR)Client-side rendering (CSR) generates HTML content in the browser using JavaScript, with the server providing a minimal shell and data…
- Cloud HostingCloud hosting runs your site across a network of virtual servers that draw resources from a large underlying pool.
- CloudflareCloudflare is a global network that provides CDN, DDoS protection, DNS, web security, and edge computing services.
- CLS (Cumulative Layout Shift)CLS measures the largest burst of unexpected layout shifts during the entire lifecycle of a page.
- CMSA Content Management System (CMS) is software that lets you create, manage, and publish digital content without writing code from scratch.
- Code SplittingCode splitting is the practice of dividing an application's JavaScript into separate bundles that can be loaded on demand, rather than…
- Cognitive LoadCognitive load is the amount of mental effort required to use your website.
- Cold StartA cold start is the delay that occurs when a serverless function is invoked after being idle.
- Color Contrast RatioColor contrast ratio measures the difference in luminance between foreground text and its background, expressed as a ratio (e.g., 4.5:1).
- Color PaletteA color palette is a defined set of colors used consistently across a brand or product interface to create visual harmony, hierarchy, and…
- Component LibraryA component library is a collection of reusable, pre-built UI components (buttons, forms, modals, navigation) that can be used across…
- Composable CommerceComposable Commerce is an architectural approach where you assemble best-of-breed commerce components (storefront, search, payments, CMS…
- Content CalendarA content calendar is a schedule that plans, organizes, and tracks content production and publication.
- Content Delivery Network (CDN)A geographically distributed network of proxy servers that deliver content from locations closest to the user, reducing latency and…
- Content MarketingContent marketing is the strategic creation and distribution of valuable, relevant content to attract and retain a clearly defined…
- Content StrategyContent strategy is the planning, creation, delivery, and governance of content.
- ContentfulContentful is an enterprise-grade headless CMS that provides a visual content modeling interface, robust governance features, and a global…
- Context WindowA context window is the maximum amount of text (measured in tokens) that an LLM can process at one time when generating a response.
- Conversational AIConversational AI is the technology that powers natural, human-like conversations between computers and people.
- Conversational SearchConversational search is a search experience where users interact through natural language dialogue with follow-up questions, rather than…
- Conversion Funnel (ToFu/MoFu/BoFu)The conversion funnel is a model that visualizes the customer journey from first awareness to final conversion.
- Conversion RateConversion rate is the percentage of sessions or users who completed a desired action (a conversion) out of the total number of sessions…
- Conversion Rate OptimizationCRO is the systematic process of increasing the percentage of website visitors who take a desired action.
- Cookie Attributes (Secure/HttpOnly/SameSite)Cookie attributes (Secure, HttpOnly, SameSite) are flags set on HTTP cookies to control their security properties: encryption in transit…
- Cookie ConsentCookie consent is the legal requirement to obtain a user's permission before storing or accessing cookies and similar tracking…
- Cookie Consent BannerA cookie consent banner is a website notification that informs visitors about cookie usage and obtains their consent where required by…
- Cookie DeprecationCookie deprecation refers to the phase-out of third-party cookies by web browsers, led by Google Chrome after Safari and Firefox already…
- Core Web VitalsA set of three Google metrics (LCP, INP, CLS) that measure real-world user experience on loading, interactivity, and visual stability.
- CORSCORS (Cross-Origin Resource Sharing) is a browser security mechanism that controls which web pages can request resources from a different…
- CORSCORS (Cross-Origin Resource Sharing) is a browser security mechanism that controls how web pages from one origin can request resources…
- CPC / CPM / CPACPC (Cost Per Click), CPM (Cost Per Mille, or cost per 1,000 impressions), and CPA (Cost Per Acquisition) are the three primary pricing…
- Crawl BudgetCrawl budget is the number of URLs Googlebot can and wants to crawl on your site within a given time frame, determined by crawl demand and…
- CrawlingCrawling is the process by which search engine bots discover and download web pages by following links across the internet.
- Critical Rendering PathThe sequence of steps the browser uses to convert HTML, CSS, and JavaScript into pixels.
- CRMCRM (Customer Relationship Management) is a system that manages all interactions with current and potential customers.
- Cross-Platform DevelopmentBuilding a single application that runs on multiple platforms (iOS, Android, web, desktop) using one shared codebase.
- CrUX ReportThe Chrome User Experience Report is Google's public dataset of real-user performance metrics from opted-in Chrome browsers.
- CSPContent Security Policy (CSP) is a browser security standard that prevents cross-site scripting (XSS), clickjacking, and other code…
- CSPContent Security Policy (CSP) is a browser security standard that uses HTTP headers to control which resources (scripts, styles, images…
- CSRFCross-Site Request Forgery (CSRF) is an attack that tricks an authenticated user into performing unintended actions on a web application…
- CSSCSS (Cascading Style Sheets) is a declarative language that controls the visual presentation of HTML documents across screens, print, and…
- CSS FlexboxCSS Flexbox is a one-dimensional layout model that distributes space and aligns items within a container, making it ideal for navigation…
- CSS GridCSS Grid is a two-dimensional layout system that enables precise control over rows and columns simultaneously, making it the definitive…
- Custom Post TypesCustom Post Types (CPTs) are user-defined content types in WordPress that extend the default post and page types.
- Customer Data Platform (CDP)A Customer Data Platform (CDP) is a system that unifies customer data from multiple sources into a single, persistent, and actionable…
- Customer JourneyThe customer journey is the complete sequence of touchpoints and interactions a person has with your brand, from first awareness through…
D
- Dark PatternsDark patterns are user interface designs intentionally crafted to trick or manipulate users into doing things they would not otherwise do.
- DashboardA dashboard is a graphical user interface that displays key metrics, data visualizations, and performance indicators on a single screen…
- Data LayerThe data layer is a JavaScript object (typically named window.dataLayer) that stores structured information about a user's interaction…
- DatabaseA database is an organized collection of structured data stored and accessed electronically.
- DDoS ProtectionDistributed Denial-of-Service (DDoS) protection is a set of techniques and services that defend against attacks attempting to overwhelm a…
- Deep Linking (Universal Links / App Links)A technique that directs users to specific content inside a mobile app from external links, instead of landing on the app's homepage.
- Demand GenerationDemand generation is the process of creating awareness and interest in a product or service through coordinated marketing programs.
- Deployment PipelineA deployment pipeline is an automated sequence of stages that code passes through from commit to production, including build, test…
- Design HandoffDesign handoff is the process of transferring finalized designs from designers to developers for implementation.
- Design SprintA Design Sprint is a five-day process developed by Google Ventures for answering critical business questions through design, prototyping…
- Design SystemA design system is a comprehensive collection of reusable components, design tokens, guidelines, and principles that govern how a product…
- Design SystemA design system is a collection of reusable components, patterns, and standards governed by clear principles.
- Design TokensDesign tokens are platform-agnostic variables that store design decisions like colors, spacing, typography, and shadows.
- Digital MarketingDigital marketing is the practice of promoting products, services, or brands through online channels including search engines, social…
- Digital Sustainability / Green WebDigital sustainability is the practice of designing, building, and operating digital products and services in ways that minimize…
- DNSThe Domain Name System (DNS) translates human-readable domain names (like example.com) into machine-readable IP addresses that computers…
- DNS Management (A Record / CNAME)DNS management is the process of configuring your domain's DNS records to control which servers handle your domain, email, and subdomains.
- DockerDocker packages your application and all its dependencies into a lightweight, portable container that runs the same way everywhere: your…
- Dofollow vs NofollowDofollow links pass link equity and influence search rankings.
- DOMThe Document Object Model (DOM) is a programming interface that represents an HTML or XML document as a tree of objects that can be…
- Domain NameA domain name is the human-readable web address users type into a browser to visit a website, like google.com or atomicglue.com.
- Domain RegistrarA domain registrar is a company authorized to sell domain name registrations, renewals, and transfers.
- Duplicate ContentDuplicate content is content that appears on multiple URLs, either within the same site or across different domains, which can confuse…
E
- E-E-A-TE-E-A-T stands for Experience, Expertise, Authoritativeness, and Trustworthiness: the four pillars Google's quality raters use to evaluate…
- E-E-A-T in AI SearchE-E-A-T (Experience, Expertise, Authoritativeness, Trustworthiness) is Google's quality framework for evaluating content.
- Edge AIEdge AI runs machine learning models on local devices (phones, cameras, IoT hardware) instead of in the cloud.
- Edge CachingStoring pre-generated responses on CDN edge servers so subsequent requests are served without contacting the origin server.
- Edge ComputingEdge computing runs code on servers located close to your users geographically, reducing latency by processing data and logic at the…
- Edge FunctionsEdge functions are serverless functions that run at the network edge, in CDN nodes geographically close to users, rather than in a single…
- Email Automation / Drip CampaignEmail automation (drip campaigns) is the practice of sending pre-written emails triggered by specific user actions or time intervals.
- Email MarketingEmail marketing is the use of email to send promotional, educational, or transactional messages to a targeted audience.
- EmbeddingsEmbeddings are numerical vector representations of text that capture semantic meaning, enabling AI systems to match concepts by similarity…
- Emotional DesignEmotional design is the practice of creating products that elicit specific emotional responses from users, building connection, delight…
- Empty State / Error State / Loading StateThese are three critical non-happy-path UI states.
- Engagement RateEngagement rate is the percentage of sessions that qualify as 'engaged' in GA4.
- EntityIn AI and search, an entity is a distinct, identifiable thing or concept (a person, brand, place, product, idea) that a knowledge graph…
- Entity StrengtheningEntity strengthening is the process of building a brand's recognition and authority as a distinct entity in the Knowledge Graph through…
- Environment VariablesEnvironment variables are key-value pairs stored outside your application code that configure behavior based on the environment…
- European Accessibility Act (EAA)The European Accessibility Act (EAA, Directive 2019/882) is an EU directive requiring that key digital products and services be accessible…
- Event TrackingEvent tracking is the practice of recording specific user interactions on a website or app (clicks, form submissions, video views…
- Exit-Intent PopupAn exit-intent popup is a modal or overlay that appears when a user's mouse movement or cursor behavior suggests they are about to leave…
- Express.jsExpress.js is a minimal, unopinionated web application framework for Node.js that provides a thin layer of routing, middleware, and HTTP…
- External LinkingExternal linking is the practice of linking from your website to a page on a different domain.
- ExtractabilityExtractability is the measure of how easily an AI system can locate, parse, and extract a specific answer from your content.
F
- FaviconA favicon is the small icon displayed in browser tabs, bookmarks, and the address bar to visually identify a website.
- FCP (First Contentful Paint)FCP measures the time from navigation to when the browser renders the first DOM content.
- Featured SnippetA featured snippet is a concise answer displayed at the top of Google Search results, extracted from a web page and shown in a box above…
- FigmaFigma is a browser-based collaborative design tool used for UI/UX design, prototyping, and design system management.
- Fine-TuningFine-tuning is the process of taking a pre-trained model and training it further on a smaller, task-specific dataset to improve its…
- First-Party DataFirst-party data is information a business collects directly from its own audience or customers through its own channels: website…
- FlutterGoogle's open-source UI toolkit for building natively compiled applications for mobile, web, and desktop from a single Dart codebase.
- Focus Management / Focus IndicatorFocus management is the practice of programmatically moving keyboard focus between elements when the UI changes (e.g., opening a dialog…
- Font Display SwapA CSS font-display strategy that renders text immediately in a fallback font while the custom font loads, then swaps to the custom font…
- Form OptimizationForm optimization is the practice of improving web forms to increase completion rates.
- Freshness SignalA freshness signal is any indicator that tells AI systems your content is current and regularly updated.
- FrictionFriction is anything that slows down, confuses, or discourages a user from completing a desired action.
- Full Site Editing (FSE)Full Site Editing (FSE) is a set of WordPress features that extends the block editor (Gutenberg) from editing page content to editing the…
G
- GDPRThe General Data Protection Regulation (GDPR) is a European Union regulation that governs how organizations collect, process, and store…
- Generative AI (GenAI)Generative AI refers to AI models that create new content text, images, audio, video, or code rather than just analyzing or classifying…
- Generative EngineA generative engine is an AI-powered system that produces original text responses by synthesizing information across multiple sources…
- Generative Engine OptimizationGEO is the practice of optimizing content so generative AI engines (ChatGPT, Gemini, Claude, Perplexity) cite your brand in their responses.
- Git / GitHubGit is a version control system that tracks changes to your code.
- Go-to-Market Strategy (GTM)A Go-to-Market (GTM) strategy is the comprehensive plan for launching a product to market.
- Google Analytics 4 (GA4)Google Analytics 4 (GA4) is Google's event-based analytics platform that superseded Universal Analytics in July 2023.
- Google Search ConsoleGoogle Search Console (GSC) is a free tool from Google that helps website owners monitor, maintain, and troubleshoot their site's presence…
- Google Tag ManagerGoogle Tag Manager (GTM) is a free tag management system that lets you deploy and manage marketing and analytics tags (tracking code…
- GooglebotGooglebot is Google's web crawling bot that discovers and fetches pages across the internet for indexing and ranking.
- GPTGPT stands for Generative Pre-trained Transformer.
- GraphQLGraphQL is a query language and runtime for APIs, developed by Meta (Facebook), that lets clients request exactly the data they need in a…
- Grid SystemA grid system is a structure of columns, gutters, and margins that provides a consistent framework for arranging content on a page.
- Grounding (AI)Grounding is the practice of tying an AI's generated response to verifiable, up-to-date sources from the web.
- Group LeakA group leak is a path your robots.txt protects from one set of crawlers and hands to another, because the rule that protects it lives in…
- Growth LoopA growth loop is a self-reinforcing system where the output of one user action becomes the input that acquires the next user, creating…
- Growth MarketingGrowth marketing is a data-driven, experimental approach to marketing focused on the entire customer lifecycle, not just acquisition.
- GuardrailsAI guardrails are safety mechanisms that prevent AI systems from producing harmful, biased, or unsafe outputs.
- Gutenberg EditorThe Gutenberg Editor is WordPress's block-based content editor, introduced in WordPress 5.0 (December 2018).
- Gzip / Brotli CompressionServer-side compression algorithms that reduce the size of HTML, CSS, and JavaScript files before sending them to the browser.
H
- HallucinationA hallucination is an AI-generated response that is confident, plausible, and completely false.
- Hamburger MenuA hamburger menu is a navigation icon consisting of three horizontal lines that, when clicked or tapped, reveals a hidden menu.
- Heading HierarchyHeading hierarchy is the practice of using <h1> through <h6> elements in a logical, nested order that reflects the content structure of…
- Headless CMSA Headless CMS decouples the content management backend from the frontend presentation layer.
- Headless CommerceHeadless Commerce decouples the frontend storefront from the backend ecommerce engine.
- HeatmapA heatmap is a visual representation of user interaction data on a webpage, using color coding to show where users click (click maps)…
- Helpful Content SystemGoogle's Helpful Content System is a ranking mechanism that rewards people-first content and demotes content written primarily for search…
- Hero SectionThe hero section is the large, prominent banner at the top of a webpage.
- High Contrast ModeHigh Contrast Mode is an operating system accessibility setting that replaces the colour scheme on screen with a high-contrast palette…
- HreflangHreflang is an HTML attribute that tells search engines which language and regional version of a page to serve to users based on their…
- HSTSHTTP Strict Transport Security (HSTS) is a security header that tells browsers to always connect to a website over HTTPS, never plain HTTP.
- HTMLHTML (HyperText Markup Language) is the standard markup language that structures content on the web using elements enclosed in tags.
- HTTPHTTP (HyperText Transfer Protocol) is the application-layer protocol that governs communication between web clients (browsers) and servers.
- HTTP/2HTTP/2 is a major revision of HTTP that improves performance through multiplexing, header compression, and stream prioritization over a…
- HTTP/3HTTP/3 is the latest major revision of HTTP that replaces TCP with QUIC, a transport protocol built on UDP, to eliminate head-of-line…
- HTTPSHTTPS (HyperText Transfer Protocol Secure) encrypts HTTP communication using TLS, protecting data integrity and privacy between client and…
- HTTPS / TLSHTTPS (HTTP Secure) is the encrypted version of HTTP, secured by TLS (Transport Layer Security).
- Hybrid AppAn app built with web technologies (HTML, CSS, JavaScript) that runs inside a native WebView container, combining web development speed…
- HydrationHydration is the process where client-side JavaScript takes over a server-rendered HTML page, attaching event handlers and state…
I
- Image OptimizationThe practice of selecting, compressing, sizing, and delivering images to minimize load time while preserving visual quality.
- Inclusive DesignInclusive design is a design methodology that considers the full range of human diversity (ability, language, culture, gender, age) from…
- Incrementality TestingIncrementality testing measures the causal impact of a marketing campaign by comparing outcomes between a group exposed to the campaign…
- IndexingIndexing is the process of storing, parsing, and organizing crawled web pages in a search engine's database so they can be retrieved for…
- Information Architecture (IA)Information Architecture (IA) is the practice of organizing, structuring, and labeling content so that users can find information and…
- INP (Interaction to Next Paint)INP measures page responsiveness by observing the latency of all clicks, taps, and keyboard interactions.
- Internal LinkingInternal linking is the practice of linking from one page on a website to another page on the same domain, creating a navigable structure…
- IP AddressAn IP address is a unique numeric identifier assigned to every device connected to a computer network that uses the Internet Protocol for…
J
- JavaScriptJavaScript is a dynamic programming language that enables interactive behavior, data manipulation, and server-side logic in web…
- JSONJSON (JavaScript Object Notation) is a lightweight, human-readable data interchange format that uses key-value pairs and ordered lists.
- JSON-LDJSON-LD (JavaScript Object Notation for Linked Data) is Google's recommended format for implementing structured data, keeping markup…
- JWTJWT (JSON Web Token) is a compact, URL-safe token format for representing claims between two parties.
- JWTJSON Web Token (JWT) is a compact, URL-safe token format for representing claims between parties.
K
- Keyboard NavigationKeyboard navigation means all interactive functionality on a web page can be operated using only a keyboard, without requiring a mouse…
- Keyword ResearchKeyword research is the process of identifying the search terms people use to find content, products, or services, forming the strategic…
- Knowledge GraphA knowledge graph is a structured database of entities and their relationships, used by Google and other AI systems to understand facts…
- Knowledge PanelA knowledge panel is a box that appears on Google Search showing summarized information about an entity (person, place, organization, or…
- Kotlin (Android)Google's preferred language for Android development: a modern, concise, and safe JVM language that is fully interoperable with Java.
- KPIA Key Performance Indicator (KPI) is a measurable value that tracks progress toward a specific business objective.
- KubernetesKubernetes (K8s) is an open source platform for automating deployment, scaling, and management of containerized applications.
L
- Landing PageA landing page is a standalone web page designed specifically for a marketing or advertising campaign.
- Landmark ElementsLandmark elements are HTML5 semantic elements that define the major regions of a page (<header>, <nav>, <main>, <aside>, <section>…
- Large Language ModelA Large Language Model is a neural network trained on massive text data that can generate, summarize, translate, and reason about human…
- Lazy LoadingLazy loading defers the loading of non-critical resources (images, iframes, scripts) until they are needed, typically when they scroll…
- LCP (Largest Contentful Paint)LCP measures the time from navigation to when the largest visible content element is rendered.
- Lead GenerationLead generation is the process of attracting and converting strangers into prospects who have expressed interest in your product or service.
- Lead MagnetA lead magnet is an incentive offered to prospects in exchange for their contact information.
- Lead Scoring / Lead NurturingLead scoring assigns numerical values to leads based on their behavior and fit to prioritize sales follow-up.
- LighthouseAn open-source Google auditing tool measuring performance, accessibility, SEO, best practices, and PWA readiness.
- Link BuildingLink building is the practice of acquiring hyperlinks from other websites to your own, with the goal of improving search engine rankings…
- Link EquityLink equity (also called link juice) is the value or authority passed from one page to another through hyperlinks, influencing the linked…
- LLM (Large Language Model)A Large Language Model (LLM) is a neural network trained on massive text data that can understand, generate, and manipulate human language.
- LLMs.txtLLMs.txt is a proposed standard file (placed at /llms.txt) that gives AI crawlers a structured summary of your website's content.
- Local SEOLocal SEO is the practice of optimizing a website and online presence to rank in local search results, targeting users searching for…
- Logo / WordmarkA logo is a graphic mark that identifies a brand.
- Long-Tail KeywordA long-tail keyword is a specific, multi-word search phrase that typically has lower search volume but higher conversion intent and less…
- Looker StudioLooker Studio (formerly Google Data Studio) is a free business intelligence and data visualization platform from Google.
- LTV (Lifetime Value)Lifetime Value (LTV or CLV) is the predicted total revenue a business will earn from a single customer over the entire duration of their…
M
- MACH ArchitectureMACH Architecture is an enterprise technology standard that stands for Microservices, API-first, Cloud-native, and Headless.
- Machine Learning (ML)Machine Learning is a subset of AI where systems learn from data rather than being explicitly programmed.
- Managed HostingManaged WordPress hosting is a premium service where the provider handles all server administration, WordPress updates, security…
- MarkdownMarkdown is a lightweight markup language that uses plain text formatting syntax to create structured documents that can be converted…
- Marketing Automation (HubSpot / Marketo)Marketing automation is software that automates repetitive marketing tasks: email campaigns, social media posting, lead scoring, CRM…
- Marketing Mix Modeling (MMM)Marketing Mix Modeling (MMM) is a statistical analysis technique that uses aggregate historical data (sales, media spend, pricing…
- Martech StackA martech stack is the collection of marketing technology tools and platforms a company uses to execute, measure, and optimize its…
- Media QueriesMedia queries are CSS features that apply styles conditionally based on device characteristics like viewport width, screen resolution, or…
- Meta DescriptionA meta description is an HTML attribute that provides a brief summary of a web page, often displayed below the title tag in search results.
- MFA / 2FAMulti-Factor Authentication (MFA) requires users to present two or more pieces of evidence to verify their identity.
- Micro-Conversion vs Macro-ConversionA macro-conversion is the primary goal of a website (a purchase, a sign-up).
- Micro-FrontendsMicro-frontends extend microservice principles to the frontend by decomposing a web application into smaller, independent applications…
- MicrointeractionsMicrointeractions are small, contained moments of interaction that accomplish a single task.
- MicroservicesMicroservices is a software architecture style where an application is structured as a collection of small, independent services that…
- Mobile App Analytics (Firebase)Tools and platforms that track user behavior, engagement, crashes, and conversions in mobile applications, with Firebase as the industry…
- Mobile OptimizationThe process of ensuring a website or app performs well, loads fast, and is easy to use on mobile devices.
- Mobile PerformanceThe measurement and optimization of how fast a mobile app or website loads, renders, and responds to user interactions.
- Mobile UI/UX (Thumb-Friendly Design)Design principles optimized for one-handed thumb use on mobile devices, placing interactive elements within easy reach of the thumb's…
- Mobile-First DesignMobile-first design is a strategy of designing for the smallest screen first, then scaling up to larger screens.
- Mobile-First IndexingMobile-first indexing means Google primarily uses the mobile version of a website for indexing and ranking, making mobile optimization a…
- Mobile-First IndexingGoogle's practice of indexing and ranking web content based primarily on the mobile version of a site, not the desktop version.
- MockupA mockup is a high-fidelity, static visual representation of a design that shows what the final product will look like, including colors…
- Modal / LightboxA modal (or lightbox) is a UI element that appears on top of the main page content, blocking interaction with the page behind it until the…
- MQL / SQL / PQLMQL (Marketing Qualified Lead), SQL (Sales Qualified Lead), and PQL (Product Qualified Lead) are lead qualification stages that define how…
- Multi-Agent SystemA multi-agent system coordinates multiple AI agents that specialize in different tasks and collaborate to solve problems that a single…
N
- NameserverNameservers are the authoritative servers that tell the internet where to find your website and email services.
- Native AppAn application built specifically for one platform (iOS or Android) using that platform's native programming language and SDKs.
- Natural Language ProcessingNatural Language Processing is the branch of AI that enables computers to understand, interpret, and generate human language.
- NetlifyNetlify is a cloud platform that combines hosting, serverless backend, and CI/CD into one workflow.
- Next.jsNext.js is a React framework by Vercel that provides server-side rendering, static site generation, file-based routing, and API routes out…
- Node.jsNode.js is an open-source, cross-platform JavaScript runtime built on Chrome's V8 engine that executes JavaScript outside the browser.
- North Star MetricThe North Star Metric is the single metric that best captures the core value your product delivers to customers.
- NoSQLNoSQL (Not Only SQL) is a category of database systems that provide flexible, non-tabular data models for specific use cases where…
- NuxtNuxt is an open-source full-stack framework built on Vue.js that provides server-side rendering, file-based routing, static site…
O
- OAuth 2.0OAuth 2.0 is an authorization framework that allows third-party applications to obtain limited access to a user's resources without…
- OAuth 2.0OAuth 2.0 is an authorization framework that enables third-party applications to obtain limited access to a user's resources without…
- Off-Page SEOOff-page SEO refers to actions taken outside your own website to improve its authority, trustworthiness, and search rankings, primarily…
- Offline ModeThe ability of an app or website to remain functional when there is no internet connection.
- On-Page SEOOn-page SEO is the practice of optimizing individual web pages to rank higher by improving content quality, HTML elements, and site…
- Open Rate / DeliverabilityOpen rate is the percentage of delivered emails that recipients open.
- Open SourceOpen source software is software whose source code is made publicly available for anyone to view, use, modify, and distribute under a…
- Organic SearchOrganic search refers to unpaid listings in search engine results that appear because of their relevance to the query, not because someone…
- ORMORM (Object-Relational Mapping) is a technique that lets developers interact with a relational database using object-oriented code instead…
P
- Page BuilderA page builder is a drag-and-drop visual editing tool that lets users create custom page layouts without coding.
- PageRankPageRank is Google's foundational link analysis algorithm that measures the importance of web pages by counting the quality and quantity…
- PageSpeed InsightsA Google tool combining Lighthouse lab data with CrUX field data for any public URL.
- PageviewA pageview is an event recorded when a user loads or reloads a webpage.
- Partial Prerendering (PPR)A rendering strategy pioneered in Next.js that combines static prerendering and dynamic streaming in the same HTTP response.
- Passkeys / WebAuthnPasskeys are a passwordless authentication standard using public-key cryptography.
- Payload CMSPayload CMS is an open-source headless CMS built on TypeScript and Express.js.
- People Also AskPeople Also Ask (PAA) is a SERP feature that displays related questions to the user's original query, expanding into answers when clicked.
- Performance BudgetA set of agreed-upon limits on performance metrics or resource quantities that a team commits not to exceed.
- PerplexityPerplexity is an AI-powered answer engine that provides cited, real-time responses to queries with distinctive inline annotations and a…
- PersonalizationPersonalization is the practice of tailoring content, offers, and experiences to individual users or segments based on their behavior…
- Persuasive DesignPersuasive design is the intentional use of psychological principles to influence user behavior toward a desired outcome.
- PHPPHP is a server-side scripting language designed for web development.
- Pillar Page / Topic ClusterA pillar page is a comprehensive, in-depth resource that covers a broad topic.
- PluginsPlugins are add-on software packages that extend the functionality of a CMS without modifying its core code.
- PPC (Google Ads)PPC (Pay-Per-Click) advertising, primarily Google Ads, lets businesses place ads in search engine results and pay only when someone clicks.
- Preferred SourcesPreferred sources are the websites and domains that AI systems cite most frequently in their generated answers.
- Preload / Prefetch / PreconnectResource hints that tell the browser to fetch or connect earlier than it would otherwise.
- Privacy PolicyA privacy policy is a legal document that explains how an organization collects, uses, stores, shares, and protects personal data.
- Product-Led Growth (PLG)Product-Led Growth (PLG) is a go-to-market strategy where the product itself drives customer acquisition, retention, and expansion.
- Progressive DisclosureProgressive disclosure is a design pattern that shows only the essential information or options at each step, revealing more details as…
- Progressive EnhancementProgressive enhancement is a design strategy that starts with a baseline of essential content and functionality that works everywhere…
- Progressive Web App (PWA)A Progressive Web App (PWA) is a web application that uses modern browser capabilities to provide an app-like experience: it can be…
- Progressive Web App (PWA)A website that behaves like a native app: installable, offline-capable, with push notifications and access to device features.
- Prompt ChainingPrompt chaining is the technique of breaking a complex task into multiple smaller LLM calls, where the output of one prompt becomes the…
- Prompt EngineeringPrompt engineering is the practice of designing and refining input prompts to get reliable, accurate, and useful outputs from LLMs.
- PrototypeA prototype is an interactive simulation of a product that allows users to click, navigate, and experience flows.
- Push NotificationsMessages sent from a server to a user's device that appear as alerts, badges, or sounds even when the app is not open.
- PythonPython is a high-level, interpreted programming language known for its readable syntax, extensive standard library, and massive ecosystem.
Q
R
- RAG (Retrieval-Augmented Generation)RAG is a technique that improves LLM outputs by retrieving relevant information from a knowledge base before generating a response.
- Rank MathRank Math is a modern WordPress SEO plugin that offers more features in its free version than any competitor.
- ReactReact is a declarative, component-based JavaScript library for building user interfaces, maintained by Meta.
- React NativeA Meta-developed framework that lets you build native iOS and Android apps using React and JavaScript, with a shared codebase and native…
- React Server ComponentsReact Server Components (RSC) are React components that render exclusively on the server, sending only their HTML output to the client.
- Readability (Flesch Reading Ease)Readability measures how easy a text is to read and understand.
- Real User Monitoring (RUM)RUM captures performance data from actual users via JavaScript using Performance APIs.
- Reduced MotionReduced motion is an accessibility setting that allows users to disable or minimise animations, transitions, and parallax effects in…
- Remarketing / RetargetingRemarketing (or retargeting) is a digital advertising technique that shows ads to people who have previously visited your website or…
- Render-Blocking ResourceA CSS or JavaScript file that the browser must fully download and process before it can render any content to the screen.
- RenderingRendering is the process where a browser or search engine executes JavaScript to generate the fully visual and interactive page after…
- Responsible AI / AI BiasResponsible AI is the practice of designing, developing, and deploying AI systems that are fair, transparent, accountable, and aligned…
- Responsive DesignResponsive web design (RWD) is an approach that makes web pages render well on any device or screen size by using flexible layouts…
- Responsive Images (srcset/sizes)An HTML technique using srcset and sizes attributes to serve different image resolutions based on the user's viewport width and device…
- RESTREST (Representational State Transfer) is an architectural style for designing networked applications, primarily APIs.
- Retrieval-Augmented Generation (RAG)RAG (Retrieval-Augmented Generation) is an AI architecture that retrieves relevant passages from a knowledge base (often the web) and…
- RoadmapA roadmap is a strategic plan that outlines the vision, direction, priorities, and timeline for a product or project over a defined period.
- ROASReturn on Ad Spend (ROAS) measures the gross revenue generated for every dollar spent on advertising.
- Robots Meta TagA robots meta tag is an HTML directive that tells search engine crawlers how to index and interact with a specific page, such as noindex…
- Robots.txtRobots.txt is a text file placed at the root of a website that instructs search engine crawlers which URLs they may or may not access.
S
- SaaS / IaaS / PaaSSaaS (Software as a Service), IaaS (Infrastructure as a Service), and PaaS (Platform as a Service) are the three main cloud computing…
- SaaS MarketingSaaS marketing is the specialized practice of marketing software-as-a-service products.
- SanitySanity is a headless CMS that treats content as structured data in a real-time 'Content Lake.' Unlike traditional CMS platforms, Sanity…
- Schema MarkupSchema markup is the implementation of structured data vocabulary (schema.org) on a web page to help search engines understand and display…
- Screen ReaderA screen reader is a software application that converts digital text and interface elements into synthesised speech or braille output.
- Scroll DepthScroll depth measures how far down a page a user scrolls before leaving.
- ScrumScrum is an Agile framework for managing complex work that organizes teams into fixed-length iterations called sprints, with defined roles…
- Search IntentSearch intent (also called user intent or keyword intent) is the underlying goal a user has when they type a query into a search engine…
- Section 508Section 508 is a US federal law requiring that all information and communication technology (ICT) developed, procured, maintained, or used…
- Security HeadersSecurity headers are HTTP response headers that instruct browsers to enable security protections.
- Semantic HTMLSemantic HTML uses elements that convey meaning about their content (like `<article>`, `<nav>`, `<header>`) rather than generic containers…
- Semantic HTMLSemantic HTML means using HTML elements according to their intended meaning (<nav> for navigation, <h1> through <h6> for headings…
- Semantic SearchSemantic search is search that matches the meaning and intent of a query rather than just the keywords.
- Semantic Versioning (SemVer)Semantic Versioning (SemVer) is a versioning scheme that uses a three-part version number (MAJOR.MINOR.PATCH) to communicate the type of…
- SEOSearch Engine Optimization (SEO) is the practice of improving a website's visibility in organic search results to earn more relevant…
- SEO AuditAn SEO audit is a comprehensive analysis of a website's technical health, on-page optimization, off-page authority, and content quality to…
- SERPSERP stands for Search Engine Results Page.
- SERP FeaturesSERP features are non-standard elements on a search results page, such as AI Overviews, featured snippets, knowledge panels, image packs…
- Server ActionsServer Actions are async functions that run on the server but can be called directly from client components.
- Server-Side Rendering (SSR)Server-side rendering (SSR) generates the complete HTML of a web page on the server and sends it to the client, as opposed to rendering it…
- Server-Side TrackingServer-side tracking moves the execution of tracking tags from the user's browser to a server you control.
- Serverless FunctionsServerless functions are single-purpose, event-driven code snippets that run on cloud infrastructure without managing servers.
- Service WorkersService Workers are JavaScript files that run in the background, separate from the web page, intercepting network requests and enabling…
- SessionA session is a period of user activity on a website or app, bounded by a timeout.
- Session ReplaySession replay is a technology that records a user's browsing session as a video-like playback, capturing mouse movements, clicks…
- Shadow DOMShadow DOM is a browser API that provides DOM and style encapsulation.
- Shared HostingShared hosting is the budget tier of web hosting where multiple websites share a single server's resources.
- ShopifyShopify is a SaaS ecommerce platform that lets businesses build and run online stores.
- Single Page Application (SPA)A Single Page Application (SPA) is a web application that loads a single HTML page and dynamically updates content using JavaScript…
- Single Sign-On (SSO)Single Sign-On (SSO) is an authentication system that lets users log in once with one set of credentials and gain access to multiple…
- Skyscraper TechniqueThe Skyscraper Technique is a link building and content strategy that involves finding high-performing content in your niche, creating…
- SLAA Service Level Agreement (SLA) is a contract that guarantees a minimum level of service, typically measured as uptime percentage, with…
- Social ProofSocial proof is the psychological phenomenon where people copy the actions of others in uncertain situations.
- Source DiversitySource diversity is a measure of how many different content sources an AI system cites in a single response.
- SPF / DKIM / DMARCSPF, DKIM, and DMARC are email authentication protocols that prove your emails are legitimate and not forged or spoofed.
- SprintA sprint is a fixed-length time box (usually 1-4 weeks) in which a Scrum team works to complete a set of predefined work items and deliver…
- SQLSQL (Structured Query Language) is the standard language for managing and querying relational databases.
- SQL InjectionSQL Injection (SQLi) is a code injection technique where an attacker inserts malicious SQL statements into application queries…
- SRISubresource Integrity (SRI) is a browser security feature that verifies externally hosted resources (scripts, stylesheets) have not been…
- SSHSSH (Secure Shell) is a cryptographic network protocol that lets you securely log into a remote server, execute commands, transfer files…
- SSL CertificateAn SSL certificate (technically a TLS certificate) is a digital file that binds a cryptographic key pair to an organization or domain…
- SSOSingle Sign-On (SSO) is an authentication method that allows users to log in once and access multiple applications without re-entering…
- Staging vs ProductionStaging is a pre-production environment that mirrors production as closely as possible, used for final testing before releasing changes to…
- Staging vs ProductionStaging is a pre-production environment that mirrors production as closely as possible, used for final testing before release.
- State ManagementState management is the discipline of handling application data that changes over time, ensuring that the UI consistently reflects the…
- Static Site Generation (SSG)Static Site Generation (SSG) pre-builds HTML pages at compile time, producing a set of static files that can be served from a CDN with no…
- Statistical SignificanceStatistical significance is a mathematical measure of how likely it is that the difference between two variants in an A/B test is real and…
- StorybookStorybook is an open-source tool for developing, testing, and documenting UI components in isolation.
- StrapiStrapi is an open-source headless CMS (MIT license) that you host yourself.
- Streaming SSRA server-side rendering technique that sends HTML to the browser in chunks as they become available, rather than waiting for the full page…
- Structured DataStructured data is a standardized format (typically Schema.org vocabulary) for providing information about a page and classifying its…
- SubdomainA subdomain is a prefix added to your main domain name that creates a separate section of your website or a distinct web service, like…
- SvelteSvelte is a component framework that shifts work from the browser to a compile step.
- SvelteKitSvelteKit is the official application framework for Svelte, providing server-side rendering, routing, data loading, form actions, and…
- SVGSVG (Scalable Vector Graphics) is an XML-based vector image format that defines graphics using mathematical shapes rather than pixel grids.
- Swift (iOS)Apple's modern, high-performance programming language for building apps across all Apple platforms: iOS, iPadOS, macOS, watchOS, tvOS, and…
T
- Tailwind CSSTailwind CSS is a utility-first CSS framework that provides low-level, composable utility classes for building custom designs directly in…
- TaxonomiesTaxonomies in WordPress are classification systems for organizing content.
- Technical DebtTechnical debt is the implied cost of taking shortcuts in software development that prioritize speed over quality, ultimately making…
- Technical SEOTechnical SEO is the practice of optimizing a website's infrastructure so search engines can crawl, index, and render pages efficiently…
- Template HierarchyThe WordPress Template Hierarchy is the system that determines which PHP template file is used to render a given page request.
- TestFlightApple's official platform for distributing beta versions of iOS, iPadOS, macOS, tvOS, watchOS, and visionOS apps to testers before App…
- TestimonialA testimonial is a statement from a satisfied customer that endorses your product or service.
- ThemesThemes control the visual appearance and layout of a WordPress website.
- Title TagA title tag is an HTML element that specifies the title of a web page, displayed as the clickable headline in search results and the…
- TLD (Top-Level Domain)A TLD is the last segment of a domain name, the part that follows the final dot.
- TLS/SSLTLS (Transport Layer Security) and its predecessor SSL (Secure Sockets Layer) are cryptographic protocols that encrypt data transmitted…
- Touch Target SizeTouch target size is the minimum dimension of interactive elements on touchscreen devices.
- Traffic Source (Organic/Direct/Referral/Paid/Social)A traffic source is the origin of a visit to your website, categorized by how the user arrived.
- Trust SignalsTrust signals are visual cues that reassure visitors that your website is legitimate, secure, and reliable.
- TTFB (Time to First Byte)TTFB measures the time from navigation request until the first byte of the server response arrives.
- TypeScriptTypeScript is a statically-typed superset of JavaScript that compiles to plain JavaScript.
- Typography (Serif / Sans-Serif / Variable Font)Typography is the art and technique of arranging type.
U
- UAT (User Acceptance Testing)User Acceptance Testing (UAT) is the final phase of software testing where real end users validate that the system meets their needs and…
- UI (User Interface)UI is the visual layer people interact with on a screen: buttons, menus, icons, layout, colors, and typography that together form the…
- Uptime MonitoringUptime monitoring checks your website at regular intervals from multiple locations to detect downtime, performance degradation, and SSL…
- Urgency and ScarcityUrgency (time pressure) and scarcity (limited availability) are two related psychological triggers that motivate users to act now rather…
- URLA URL (Uniform Resource Locator) is a text string that specifies the exact location of a resource on the internet and how to access it.
- Usability TestingUsability testing is the practice of observing real users as they attempt to complete tasks with a product, identifyin g where they…
- User FlowA user flow is the path a user takes through a website or app to complete a task.
- User PersonaA user persona is a research-based, fictional character that represents a key user group.
- UTM ParametersUTM parameters are tags added to the end of a URL that tell your analytics platform where a visitor came from and which campaign brought…
- UX (User Experience)User Experience (UX) is the totality of how a person feels when interacting with a product, service, or system.
V
- Value PropositionYour value proposition is the single most important sentence on your website.
- Vector EmbeddingsVector embeddings are numerical representations of data (text, images, audio) as arrays of numbers that capture semantic meaning.
- VercelVercel is a cloud platform for frontend frameworks that handles deployment, scaling, and CDN distribution.
- View Transitions APIThe View Transitions API is a browser API that enables smooth, animated transitions between different views or pages on a website with…
- Viewport Meta TagThe viewport meta tag controls how a web page is displayed on mobile devices by setting the visible area width and initial zoom level.
- Virtual DOMThe Virtual DOM is an in-memory, lightweight representation of the real Document Object Model (DOM).
- Visual DesignVisual design is the craft of shaping a product's appearance using typography, color, spacing, imagery, and layout to support usability…
- Visual HierarchyVisual hierarchy is the arrangement of design elements in order of importance, guiding the viewer's eye through content using size, color…
- ViteVite is a modern, blazing-fast frontend build tool and development server.
- VPSA Virtual Private Server (VPS) is a virtual machine with dedicated resources carved out of a physical server.
- Vue.jsVue.js is a progressive, incrementally adoptable JavaScript framework for building user interfaces.
- Vulnerability ScanningVulnerability scanning is the automated process of identifying security weaknesses in applications, systems, and networks.
W
- WAFA Web Application Firewall (WAF) filters, monitors, and blocks HTTP traffic to and from a web application.
- WAVE ToolWAVE (Web Accessibility Evaluation Tool) by WebAIM is a free browser extension and online tool that visually overlays accessibility issue…
- WCAG (2.1, 2.2)The Web Content Accessibility Guidelines (WCAG) are the internationally recognised technical standard for making web content accessible to…
- Web ComponentsWeb Components are a set of browser-native APIs (Custom Elements, Shadow DOM, HTML Templates) for creating reusable, encapsulated custom…
- Web FontsWeb fonts are typefaces loaded by a browser from a server or CDN so that text renders in a chosen typeface rather than falling back to…
- Web HostingWeb hosting is a service that stores your website's files on a server and makes them accessible on the internet.
- WebflowWebflow is a visual web design platform that combines a CMS, hosting, and a drag-and-drop design interface.
- WebGPUWebGPU is a new W3C standard API that gives web applications low-level, high-performance access to GPU hardware for graphics rendering and…
- WebhookA webhook is an HTTP callback that sends real-time data from one system to another when a specific event occurs.
- WebPA modern image format from Google offering 25-35% smaller files than JPEG at equivalent quality, with support for transparency and…
- WebSocketWebSocket is a protocol that establishes a persistent, full-duplex communication channel between a client and server over a single TCP…
- WebXRWebXR is a W3C standard API that brings virtual reality (VR) and augmented reality (AR) experiences directly to web browsers without…
- White Space / Negative SpaceWhite space (or negative space) is the empty area between design elements.
- White-LabelWhite-label refers to a product or service produced by one company that is rebranded and resold by another company as their own.
- WireframeA wireframe is a low-fidelity, structural blueprint of a page or screen that shows layout, content hierarchy, and functionality without…
- WooCommerceWooCommerce is a free, open-source ecommerce plugin for WordPress.
- WordPressWordPress is the world's most popular open-source CMS, powering over 43% of all websites.
- WP-CLIWP-CLI is the official command-line interface for managing WordPress installations.
- WYSIWYG EditorA WYSIWYG (What You See Is What You Get) editor is a content editing interface that displays the final formatted output as the user edits…
X
- XMLXML (eXtensible Markup Language) is a flexible markup language that defines rules for encoding documents in a format that is both…
- XML SitemapAn XML sitemap is a file that lists a website's important URLs, helping search engines discover and prioritize pages for crawling.
- XSSCross-Site Scripting (XSS) is a security vulnerability that allows attackers to inject malicious scripts into web pages viewed by other…
Y
Z
- Zero-Click SearchZero-click search refers to queries where the user finds the information they need directly on the search results page and never clicks…
- Zero-Click VisibilityZero-click visibility is the measure of how often your brand appears in AI-generated answers and search results without the user clicking…
- Zero-Party DataZero-party data is data that a customer intentionally and proactively shares with a brand.
Browse by category
- SEO52 terms
- AI41 terms
- Web development32 terms
- CRO30 terms
- Front-end29 terms
- Analytics28 terms
- General27 terms
- Design26 terms
- Accessibility25 terms
- Performance25 terms
- Security22 terms
- Backend21 terms
- CMS19 terms
- Marketing16 terms
- Mobile development15 terms
- Infrastructure13 terms
- AEO11 terms
- DevOps8 terms
- Content strategy5 terms
- Ecommerce5 terms
- GEO5 terms
- Marketing automation5 terms
- Business4 terms
- Privacy4 terms
- UX4 terms
- Architecture1 term
- Software engineering1 term
The A-Z of the web
Every term spelled out and cross-referenced, the way a good reference book should be.
Every term links to its full entry at /glossary/. The complete text of every entry is at /glossary/llms-full.txt.