Speed Optimizer vs W3 Total Cache
Compare WordPress plugins and tools side by side. Pick products with “Compare” in the software directory.
| Feature | Speed Optimizer v7.8.5 · checked 23 Oct 2026 Free · ★ 4.2/5 Visit Details | W3 Total Cache v2.11.0 · checked 23 Oct 2026 Free + paid · ★ 4.4/5 Visit Details |
|---|---|---|
| At a glance | ||
| Active installs | 1M+ | 900,000+ |
| Last updated | October 20, 2026 | October 20, 2026 |
| Editions | Speed Optimizer | W3 Total Cache · W3 Total Cache Pro ($) |
| Pros | Page caching, minification and lazy loading in one place; Browser cache headers and database cleanup; Free, from the WordPress.org directory | Page, browser, object and CDN caching in one plugin; Minification of CSS and JavaScript; Works with many CDN providers in the free code |
| Cons | Dynamic caching and Memcached are SiteGround-only; CDN premium tier depends on the hosting plan; Calls Google PageSpeed and Google Fonts services | Large settings area that is easy to misconfigure; Some modules need external cache servers or CDN accounts; Pro upgrade notes appear in the free admin |
| Mentioned in our posts | — | 3 |
| Features (Speed Optimization plugins checklist) | ||
| Page cache | Yes | Yes |
| Browser cache | Yes | Yes |
| Minify CSS/JS | Yes | Yes |
| CDN | Paid | Yes |
| Object cache | Yes | Yes |
| Database cleanup | Yes | — |
| Free version | Yes | Yes |
| More features | ||
| Other features | Lazy loading of images, iframes and videos, Image optimisation, WebP image conversion, Force HTTPS, Heartbeat control, PageSpeed analysis | Database query caching, Fragment caching for plugins and themes ($), Local usage statistics collection, Pro upgrade notes in the free admin ($), Pro licence check ($) |
| Integrations | ||
| Analytics | Google PageSpeed Insights | New Relic |
| Storage | — | BunnyCDN, Google Drive, Rackspace Cloud Files |
| Other | Google Fonts | — |
| Requires WordPress | 5.5.1 | 6.0 |
| Requires PHP | 7.0 | 7.4 |
| Tested up to | 7.1 | 7.1 |
| Phones home | No | Only if you agree |
| External services | www.googleapis.com, fonts.googleapis.com, sgwpdemo.com, api.wordpress.org | api.bunny.net, identity.api.rackspacecloud.com, api.newrelic.com, closure-compiler.appspot.com, management.core.windows.net |