Autoptimize vs W3 Total 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 | W3 Total Cache v2.11.0 · checked 23 Oct 2026 Free + paid · ★ 4.4/5 Visit Details |
|---|---|---|
| At a glance | ||
| Active installs | 800,000+ | 900,000+ |
| Last updated | September 26, 2026 | October 20, 2026 |
| Editions | Autoptimize · Autoptimize Pro ($) | W3 Total Cache · W3 Total Cache Pro ($) |
| Pros | Aggregates and minifies CSS and JavaScript; Lazy-loads images with WebP and AVIF support; Works without changing theme code | Page, browser, object and CDN caching in one plugin; Minification of CSS and JavaScript; Works with many CDN providers in the free code |
| Cons | Aggressive script changes can break pages and need testing; Page cache, CDN and critical CSS need the paid Pro version | Large settings area that is easy to misconfigure; Some modules need external cache servers or CDN accounts; Pro upgrade notes appear in the free admin |
| Mentioned in our posts | — | 3 |
| Features (Speed Optimization plugins checklist) | ||
| Page cache | — | Yes |
| Browser cache | — | Yes |
| Minify CSS/JS | — | Yes |
| CDN | — | Yes |
| Object cache | — | Yes |
| 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 ($), Pro upgrade tab in the admin | Database query caching, Fragment caching for plugins and themes ($), Local usage statistics collection, Pro upgrade notes in the free admin ($), Pro licence check ($) |
| Integrations | ||
| Analytics | — | New Relic |
| Storage | — | BunnyCDN, Google Drive, Rackspace Cloud Files |
| Other | criticalcss.com ($), Google Fonts | — |
| Requires WordPress | 5.3 | 6.0 |
| Requires PHP | 7.4 | 7.4 |
| Tested up to | 7.1 | 7.1 |
| Phones home | No | Only if you agree |
| External services | criticalcss.com, misc.optimizingmatters.com | api.bunny.net, identity.api.rackspacecloud.com, api.newrelic.com, closure-compiler.appspot.com, management.core.windows.net |