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Page Builder

payj bill-dernoun

Filed underCmsDesign

In brief · quick answer

A page builder is a drag-and-drop visual editing tool that lets users create custom page layouts without coding. Popular WordPress page builders include Elementor, Beaver Builder, Divi Builder, and WPBakery. They provide a visual interface for adding, arranging, and styling content elements on a page, bypassing the theme's template structure.

§ 1 Definition

A page builder is a plugin or built-in tool that replaces the standard content editor with a visual, drag-and-drop interface for designing page layouts. In WordPress, page builders are plugins that override the default editor (Classic Editor or Gutenberg) with a more flexible visual design interface. Page builders typically provide a library of content elements or 'modules' (text blocks, images, buttons, columns, sliders, forms, etc.) that users can drag onto a canvas, arrange, and style visually. Changes are rendered in real time, giving a 'what you see is what you get' (WYSIWYG) editing experience. The page builder stores your design as shortcodes, custom post types, or block data in the WordPress database. The rise of Full Site Editing (FSE) and the Gutenberg Editor has reduced the need for third-party page builders. WordPress's built-in block editor now covers many use cases that previously required a page builder. However, third-party page builders still dominate the market due to their more mature design interfaces and larger element libraries.

§ 2 How Page Builders Work

Page builders work by replacing WordPress's content editing interface with their own visual editor. Here's the typical architecture: 1. Editor interface: The page builder loads its own JavaScript-heavy editor when you create or edit a page. This editor shows a live preview of your content with drag-and-drop controls. 2. Content elements: A sidebar or panel contains elements/modules/widgets: headings, text, images, videos, buttons, columns, accordions, tabs, forms, maps, and more. 3. Styling controls: Each element has style settings for colors, typography, spacing, borders, shadows, animations, and responsive behavior. 4. Layout system: Sections, rows, and columns provide the structural grid. Elements are placed within this grid system. 5. Output: When published, the page builder renders the design as HTML. The design is stored as shortcodes or a custom data format in the post content. Popular page builders have their own theme systems (Elementor theme builder, Divi theme builder) that extend page building to headers, footers, and template parts, partially overlapping with Full Site Editing features.

§ 3 Page Builder Performance Impact

Page builders have a well-earned reputation for slowing down websites. Here's why: - Code bloat: Page builders generate excessive HTML markup, inline CSS, and JavaScript. A simple text block might be wrapped in 5 nested divs with inline styles. - CSS and JS assets: Every page builder element loads its associated CSS and JavaScript, even if the element isn't used on the page. A 10-element page might load code for 50+ elements. - Database bloat: Shortcodes and custom data formats are stored in post content. These can be long and complex, increasing database size and slowing queries. - Render-blocking: Page builder assets often block rendering, negatively impacting Core Web Vitals scores (LCP, FCP). - Third-party dependencies: Many page builders load Google Fonts, Font Awesome, and other libraries globally, adding to page weight. Mitigation strategies: Use page builders that support asset optimization (loading only used CSS/JS), implement caching (server-side + CDN), and regularly audit page builder elements for bloat. The best mitigation is avoiding page builders entirely in favor of lightweight block themes with Gutenberg or Full Site Editing (FSE).

§ 4 Page Builder Alternatives in 2025

The page builder landscape is shifting as WordPress's native editing improves: Gutenberg (WordPress Block Editor): Built into WordPress core. No plugin needed. Improving rapidly with each release. Supports blocks, patterns, and full site editing. Lighter than third-party page builders. The learning curve is steeper for complex layouts. Full Site Editing (FSE): Extends the block editor to headers, footers, and templates. Eliminates the need for separate theme builder functionality. Still maturing but already viable for many sites. Bricks Builder: A modern, performance-focused page builder that generates cleaner code than Elementor or Divi. Becoming popular among developers who want visual editing without the bloat. Custom blocks with ACF (Advanced Custom Fields): For developers, building custom Gutenberg blocks with ACF provides visual editing without a page builder. Blocks are lightweight, purpose-built, and maintainable. Atomic Glue's recommendation: Use FSE-compatible block themes with Gutenberg for most sites. Reserve page builders for client projects where the content team specifically needs the visual editing workflow, and optimize aggressively for performance.

§ 5 Warning

Page builders create lock-in. Switching from Elementor to a standard theme (or another page builder) requires rebuilding all pages. Evaluate carefully before committing to a page builder for more than a few pages.

§ 6 Common questions

Q. Do I need a page builder?: A. Probably not. Gutenberg and Full Site Editing cover most layout needs with better performance. Use a page builder only if you need visual editing capabilities that Gutenberg doesn't provide.
Q. Which page builder is best for performance?: A. Bricks Builder is currently the best-performing page builder. Oxygen (now owned by Soflyy) also generates clean code. Avoid WPBakery and Divi for new projects if performance matters.
Q. Can I switch page builders?: A. Yes, but expect to rebuild pages. Page builders store content in their own formats (shortcodes, custom post types). No automated migration tool exists between different page builders.

Key takeaways

Page builders replace the default editor with a visual drag-and-drop interface for custom layouts.
The performance cost is real: code bloat, global CSS/JS assets, and database bloat are common issues.
Gutenberg and FSE are reducing the need for third-party page builders in WordPress.
Page builder lock-in is significant. Think carefully before committing to one for a large site.

How Atomic Glue helps

We assess whether you actually need a page builder before recommending one. For most clients, we build custom Gutenberg blocks or block themes that give you visual editing without the bloat. If Elementor is genuinely the right tool, we optimize it so it doesn't ruin your performance. Get in touch.

Get in touch

# Page Builder

Category: Cms (also: Design)

Author: Atomic Glue Editorial Team

## Definition

A page builder is a plugin or built-in tool that replaces the standard content editor with a visual, drag-and-drop interface for designing page layouts. In [WordPress](/glossary/wordpress), page builders are plugins that override the default editor (Classic Editor or [Gutenberg](/glossary/gutenberg-editor)) with a more flexible visual design interface. Page builders typically provide a library of content elements or 'modules' (text blocks, images, buttons, columns, sliders, forms, etc.) that users can drag onto a canvas, arrange, and style visually. Changes are rendered in real time, giving a 'what you see is what you get' (WYSIWYG) editing experience. The page builder stores your design as shortcodes, custom post types, or block data in the WordPress database. The rise of [Full Site Editing (FSE)](/glossary/full-site-editing-fse) and the [Gutenberg Editor](/glossary/gutenberg-editor) has reduced the need for third-party page builders. WordPress's built-in block editor now covers many use cases that previously required a page builder. However, third-party page builders still dominate the market due to their more mature design interfaces and larger element libraries.

## How Page Builders Work

Page builders work by replacing WordPress's content editing interface with their own visual editor. Here's the typical architecture: 1. **Editor interface:** The page builder loads its own JavaScript-heavy editor when you create or edit a page. This editor shows a live preview of your content with drag-and-drop controls. 2. **Content elements:** A sidebar or panel contains elements/modules/widgets: headings, text, images, videos, buttons, columns, accordions, tabs, forms, maps, and more. 3. **Styling controls:** Each element has style settings for colors, typography, spacing, borders, shadows, animations, and responsive behavior. 4. **Layout system:** Sections, rows, and columns provide the structural grid. Elements are placed within this grid system. 5. **Output:** When published, the page builder renders the design as HTML. The design is stored as shortcodes or a custom data format in the post content. Popular page builders have their own theme systems (Elementor theme builder, Divi theme builder) that extend page building to headers, footers, and template parts, partially overlapping with Full Site Editing features.

## Page Builder Performance Impact

Page builders have a well-earned reputation for slowing down websites. Here's why: - **Code bloat:** Page builders generate excessive HTML markup, inline CSS, and JavaScript. A simple text block might be wrapped in 5 nested divs with inline styles. - **CSS and JS assets:** Every page builder element loads its associated CSS and JavaScript, even if the element isn't used on the page. A 10-element page might load code for 50+ elements. - **Database bloat:** Shortcodes and custom data formats are stored in post content. These can be long and complex, increasing database size and slowing queries. - **Render-blocking:** Page builder assets often block rendering, negatively impacting Core Web Vitals scores (LCP, FCP). - **Third-party dependencies:** Many page builders load Google Fonts, Font Awesome, and other libraries globally, adding to page weight. **Mitigation strategies:** Use page builders that support asset optimization (loading only used CSS/JS), implement caching (server-side + CDN), and regularly audit page builder elements for bloat. The best mitigation is avoiding page builders entirely in favor of lightweight block themes with [Gutenberg](/glossary/gutenberg-editor) or [Full Site Editing (FSE)](/glossary/full-site-editing-fse).

## Page Builder Alternatives in 2025

The page builder landscape is shifting as WordPress's native editing improves: **Gutenberg (WordPress Block Editor):** Built into WordPress core. No plugin needed. Improving rapidly with each release. Supports blocks, patterns, and full site editing. Lighter than third-party page builders. The learning curve is steeper for complex layouts. **Full Site Editing (FSE):** Extends the block editor to headers, footers, and templates. Eliminates the need for separate theme builder functionality. Still maturing but already viable for many sites. **Bricks Builder:** A modern, performance-focused page builder that generates cleaner code than Elementor or Divi. Becoming popular among developers who want visual editing without the bloat. **Custom blocks with ACF (Advanced Custom Fields):** For developers, building custom Gutenberg blocks with ACF provides visual editing without a page builder. Blocks are lightweight, purpose-built, and maintainable. **Atomic Glue's recommendation:** Use FSE-compatible block themes with Gutenberg for most sites. Reserve page builders for client projects where the content team specifically needs the visual editing workflow, and optimize aggressively for performance.

## Warning

## Common questions

Q: Do I need a page builder?

A: Probably not. Gutenberg and Full Site Editing cover most layout needs with better performance. Use a page builder only if you need visual editing capabilities that Gutenberg doesn't provide.

Q: Which page builder is best for performance?

A: Bricks Builder is currently the best-performing page builder. Oxygen (now owned by Soflyy) also generates clean code. Avoid WPBakery and Divi for new projects if performance matters.

Q: Can I switch page builders?

A: Yes, but expect to rebuild pages. Page builders store content in their own formats (shortcodes, custom post types). No automated migration tool exists between different page builders.

## Key takeaways

Page builders replace the default editor with a visual drag-and-drop interface for custom layouts.
The performance cost is real: code bloat, global CSS/JS assets, and database bloat are common issues.
Gutenberg and FSE are reducing the need for third-party page builders in WordPress.
Page builder lock-in is significant. Think carefully before committing to one for a large site.

## Related entries

Last updated July 2025. Permalink: atomicglue.co/glossary/page-builder