Autoptimize vs WP Super Cache
Compare WordPress plugins and tools side by side. Pick products with “Compare” in the software directory.
| Feature | Autoptimize v3.1.16 · checked 23 Oct 2026 Free + paid · ★ 4.7/5 Visit Details | WP Super Cache v3.1.4 · checked 23 Oct 2026 Free · ★ 4.3/5 Visit Details |
|---|---|---|
| At a glance | ||
| Active installs | 800,000+ | 1M+ |
| Last updated | September 26, 2026 | September 30, 2026 |
| Editions | Autoptimize · Autoptimize Pro ($) | WP Super Cache |
| Pros | Aggregates and minifies CSS and JavaScript; Lazy-loads images with WebP and AVIF support; Works without changing theme code | Serves cached static HTML, reducing PHP load; Simple and expert modes; Cache preloading and automatic expiry of old files |
| Cons | Aggressive script changes can break pages and need testing; Page cache, CDN and critical CSS need the paid Pro version | No CSS or JavaScript minification; Cloudflare or other proxies can make the built-in test report false failures; Object cache support only applies when a persistent object cache is installed |
| Mentioned in our posts | — | 2 |
| Features (Speed Optimization plugins checklist) | ||
| Page cache | — | Yes |
| Browser cache | — | Yes |
| Minify CSS/JS | — | No |
| CDN | — | Yes |
| Object cache | — | Yes |
| Database cleanup | — | No |
| Free version | — | Yes |
| More features | ||
| Other features | CSS and JavaScript aggregation and minification, Image lazy-load and WebP and AVIF settings, Extra options for fonts, emoji and script placement, Critical CSS through the criticalcss.com premium API ($), Pro upgrade tab in the admin | Scheduled cache preloading, Scheduled garbage collection of expired cache files, Simple and expert configuration modes, Built-in cache tester |
| Integrations | ||
| Other | criticalcss.com ($), Google Fonts | — |
| Requires WordPress | 5.3 | 6.8 |
| Requires PHP | 7.4 | 7.4 |
| Tested up to | 7.1 | 7.1 |
| Phones home | No | No |
| External services | criticalcss.com, misc.optimizingmatters.com | — |