WP Fastest Cache vs WP Smush
Compare WordPress plugins and tools side by side. Pick products with “Compare” in the software directory.
| Feature | WP Fastest Cache v1.5.3 · checked 23 Oct 2026 Free + paid · ★ 4.9/5 Visit Details | WP Smush v4.3.5 · checked 23 Oct 2026 Free + paid · ★ 4.8/5 Visit Details |
|---|---|---|
| At a glance | ||
| Active installs | 1M+ | 1M+ |
| Last updated | October 10, 2026 | October 20, 2026 |
| Editions | WP Fastest Cache · WP Fastest Cache Premium ($) | Smush · Smush Pro ($) |
| Pros | Static page cache with a simple settings screen; Browser caching and GZIP rules written for the site; Cache is cleared when a post changes status; Cloudflare cache purge from the settings screen | Bulk and on-upload image compression at no cost; Lazy loading for images and embedded video; Works with common page builders, WooCommerce and caching plugins |
| Cons | Database cleanup, mobile cache and advanced minification are Premium only; Cache and browser rules are written to .htaccess files | WebP, AVIF, resizing and the image CDN need Smush Pro; Images are sent to the WPMU DEV API for compression |
| Mentioned in our posts | 2 | 3 |
| Features (Speed Optimization plugins checklist) | ||
| Page cache | Yes | — |
| Browser cache | Yes | — |
| Minify CSS/JS | Yes | — |
| CDN | Yes | Yes |
| Object cache | No | — |
| Database cleanup | Paid | — |
| Free version | Yes | Yes |
| More features | ||
| Other features | Clears cache when a post changes status, Delete cached and minified CSS/JS files, GZIP rules in .htaccess, Cloudflare cache purge, Clear all cache from a URL call, Skips caching when DONOTCACHEPAGE is defined, Exclusion rules by page type | Bulk compression of the media library, Lazy loading for images and embedded video, WebP and AVIF conversion (Pro) ($) |
| Integrations | ||
| E-commerce | — | WooCommerce |
| Plugins | — | WP Rocket, Elementor, Divi, Gravity Forms |
| Other | Cloudflare | WPMU DEV Smush API |
| Requires WordPress | 5.7 | 6.4 |
| Requires PHP | — | 7.4 |
| Tested up to | 7.1 | 7.1 |
| Phones home | No | Only if you agree |
| External services | api.cloudflare.com | smushpro.wpmudev.com |
| Custom tables | — | 1 |