CDN Enabler

About CDN Enabler

CDN Enabler is a WordPress plugin that helps improve site performance by offloading traffic to a content delivery network (CDN). It does this by rewriting URLs for CSS, JavaScript, and images to be served by the CDN. The plugin is easy to use and includes features such as cache purging and support for WordPress multisite network.

Screenshots

Frequently asked questions

What is CDN Enabler?

CDN Enabler is a simple and easy to use WordPress plugin that rewrites URLs, such as those for CSS, JavaScript, and images, to be served by a content delivery network (CDN). This helps improve site performance, reliability, and scalability by offloading the majority of traffic to a CDN.

What are the features of CDN Enabler?

The features of CDN Enabler include: Fast and efficient rewrite engine, Easy cache purging (when a KeyCDN account is connected), Include URLs in the rewrite by file extensions, Exclude URLs in the rewrite by strings, WordPress multisite network support, WordPress REST API support, Works perfectly with Cache Enabler.

How does the rewriting work?

CDN Enabler captures page contents and rewrites URLs to be served by the designated CDN.

Where can I find the documentation for CDN Enabler?

The documentation for CDN Enabler can be found at the following links: Installation, Settings, Hooks, WP-CLI, FAQ.

How can I contribute to CDN Enabler?

If you want to file a bug, contribute some code, or improve translations, you can check out the GitHub issues or translations on the KeyCDN website.

Changelog

2.0.8

Fix self class handling

2.0.7

PHP 8.2 compatibility

2.0.6

WordPress 6.1 compatibility

2.0.5

Add server input sanitization

2.0.4

Update configuration validation to include the Site Address (URL) as an HTTP Referer (#42)
Update URL matcher in rewriter to match URLs that are in escaped JSON format (#41)
Update CDN hostname validation to trim surrounding whitespace characters (#40)

2.0.3

Update output buffer handling (#29)
Fix purge cache request handling (#31)

2.0.2

Update URL matcher in rewriter (#28)
Update full URL rewrite (#28)

2.0.1

Update URL matcher in rewriter (#25)
Update settings conversion (#26)
Add cdn_enabler_exclude_admin, cdn_enabler_contents_before_rewrite, and cdn_enabler_contents_after_rewrite filter hooks (#27)
Fix configuration validation for installations in a subdirectory (#27)
Remove cdn_enabler_page_contents_before_rewrite filter hook in favor of replacement (#27)

2.0.0

Update output buffer timing to start earlier on the setup_theme hook instead of the template_redirect hook (#23)
Update settings (#23)
Update requirements check (#23)
Update purge CDN cache handling (#23)
Add new rewrite engine (#23)
Add WP-CLI cache purging (#23)
Add configuration validation (#23)
Add cdn_enabler_user_can_purge_cache, cdn_enabler_page_contents_before_rewrite, cdn_enabler_bypass_rewrite, cdn_enabler_site_hostnames, and cdn_enabler_rewrite_relative_urls filter hooks (#23)
Fix requirement notices being shown to all users (#23)
Fix rewriting limitations (#23)
Deprecate user_can_clear_cache filter hook in favor of replacement (#23)

1.0.9

Rewrite URLs filtering the_content so that rendered HTML in REST API use CDN

1.0.8

Purge CDN redirects to admin dashboard to avoid error messages
Better error messages
Do not display nag notice when KeyCDN API credentials are set

1.0.7

Minor bug fixes (pass-by-reference)

1.0.6

Minor bug fixes
Improved CDN purging

1.0.5

Multiprotocol CDN rewriting
Add purging through KeyCDN API
Don’t rewrite if in admin preview mode
Rewrite to HTTPS if enabled and client connects through HTTP

1.0.4

Removed unused code

1.0.3

Improved exclusions for directories and extensions

1.0.2

Switched from siteurl to home (e.g. for bedrock support)

1.0.1

First major release
Fixed warnings

0.0.1

First release