Comet Cache
20,000+ active installs · Rated 4.4/5 · Updated July 2, 2025
A caching plugin that stores static copies of pages to speed up loading, with options for automatic clearing when content changes. It aims to be simple to set up for ordinary sites. It suits owners wanting a basic page cache. The core plugin is free, with a paid Pro edition that adds additional performance features.
Pros
- Free full-page cache for anonymous visitors
- Cron-driven cleanup of cache files
- Simple settings for browser caching of dynamic pages
Cons
- HTML and asset minification need Pro
- CDN filters and Apache optimisations need Pro
- Logged-in users are not cached in the free version
Topics: Speed Optimization plugins
Mentioned in
Alternatives
-
Speed Optimizer
1M+ active installs · Rated 4.2/5 · Updated October 20, 2026
Speed Optimizer is SiteGround's free performance plugin.
-
WP Fastest Cache
1M+ active installs · Rated 4.9/5 · Updated October 10, 2026
A caching plugin with a simple settings screen that creates static pages and also offers minification, GZIP compression, browser caching and image options.
-
WP Smush
1M+ active installs · Rated 4.8/5 · Updated October 20, 2026
An image optimisation plugin that compresses and resizes images, enables lazy loading, converts to modern formats such as WebP and AVIF, and offers a global image CDN.
-
WP Super Cache
1M+ active installs · Rated 4.3/5 · Updated September 30, 2026
A caching plugin from Automattic that generates static HTML files from dynamic pages, so most visitors are served without running PHP.
-
WP-Optimize
1M+ active installs · Rated 4.8/5 · Updated September 21, 2026
A plugin that combines page caching with database cleaning, image compression and minification.
-
W3 Total Cache
900,000+ active installs · Rated 4.4/5 · Updated October 20, 2026
A caching and performance suite covering page, object, database and browser caching, minification and content delivery network integration.
-
Autoptimize
800,000+ active installs · Rated 4.7/5 · Updated September 26, 2026
Speeds up a site by aggregating, minifying and caching CSS and JavaScript, moving and deferring scripts, minifying HTML, and lazy-loading images.
-
Converter for Media
500,000+ active installs · Rated 4.9/5 · Updated October 14, 2026
Converter for Media turns JPEG and PNG uploads into WebP files and serves them to browsers that support the format.