- Article
- Beginner
- 4 minutes read
- Reviewed August 3, 2026
The Block Editor and Site Editor use the same block system, but they control different layers of a WordPress website.
The Block Editor is primarily used to create the content of an individual post, page or other supported post type. The Site Editor is used to edit site-wide styles, templates and template parts when a block theme is active.
Understanding the boundary prevents accidental template changes and helps teams decide where a design belongs.
The Block Editor Controls Individual Content
The Block Editor opens when you edit a post, page or compatible custom post type.
It is used for content such as:
- Headings and paragraphs.
- Images, galleries and media.
- Lists and tables.
- Buttons and calls to action.
- Columns and groups.
- Embedded content.
- Reusable patterns.
- Custom blocks provided by plugins.
The editor also exposes document settings such as status, author, taxonomy terms, featured image and excerpt when supported by the content type.
Changes normally affect only the current content item, although synced patterns can update every location where the same pattern is used.
The Site Editor Controls the Site Structure
The Site Editor is available under Appearance → Editor when a block theme is active.
It provides tools for:
- Templates.
- Template parts such as headers and footers.
- Global Styles.
- Style variations.
- Site navigation.
- Patterns.
- Site-wide custom CSS.
A change to a template can affect many pages at once. Editing the Single template, for example, may change the layout of every post that uses it.
The Template Editor Sits Between Them
WordPress can also provide a Template Editor while editing a post or page.
It allows authorized users to edit or create templates associated with content. It is available with block themes and can also be enabled by compatible classic themes.
This interface looks similar to the content editor, so verify whether you are editing the page content or the template around that content.
Shared Blocks, Different Contexts
Many blocks can appear in both editors, but their purpose changes with context.
A Paragraph block in a post stores the actual paragraph. A Post Content block in a template acts as a placeholder that outputs the current post's stored content.
Theme blocks such as Post Title, Query Loop, Site Logo and Navigation are designed for dynamic site structures. They may be available only in template contexts or make little sense inside ordinary content.
How to Decide Where a Change Belongs
Use the Block Editor when the change is unique to one content item.
Use a pattern when a layout should be reused as a starting point or synchronized component.
Use a template when every item of a type should share the structure.
Use a template part when a region such as the header or footer appears across several templates.
Use Global Styles when colors, typography, spacing or block defaults should apply across the site.
Permissions and Governance
The Site Editor gives users significant control over the public website. Not every content editor should necessarily be able to change templates or global styles.
Plan roles and workflow around the risk of site-wide changes. On managed projects, designers or administrators may own templates while editors work only with content and approved patterns.
Common Mistakes
- Building repeated site structure inside every page.
- Editing a template when only one page should change.
- Placing unique content inside a global template.
- Duplicating a pattern instead of updating a synced version.
- Giving unrestricted design access without review or recovery procedures.
- Assuming every theme provides the Site Editor.
Frequently Asked Questions
Why can I not see Appearance → Editor?
The full Site Editor requires an active block theme. A classic theme may provide the Customizer or other theme-specific tools instead.
Does changing a template edit my post content?
No. The template changes the structure around content. The Post Content block outputs the stored body of each item.
Can the same block be used in both editors?
Many blocks can, but theme blocks and dynamic placeholders are intended mainly for templates and site structure.
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