Speed Optimizer vs WP Rocket | Disable Cache Clearing
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| Feature | Speed Optimizer v7.8.5 · checked 23 Oct 2026 Free · ★ 4.2/5 Visit Details | WP Rocket | Disable Cache Clearing checked 23 Oct 2026 Free Visit Details |
|---|---|---|
| At a glance | ||
| Active installs | 1M+ | — |
| Last updated | October 20, 2026 | — |
| Editions | Speed Optimizer | WP Rocket | Disable Cache Clearing |
| Pros | Page caching, minification and lazy loading in one place; Browser cache headers and database cleanup; Free, from the WordPress.org directory | Stops WP Rocket purging the cache on content and settings changes; Covers WooCommerce variations, Elementor and user changes; Shows a notice on the WP Rocket settings page while active |
| Cons | Dynamic caching and Memcached are SiteGround-only; CDN premium tier depends on the hosting plan; Calls Google PageSpeed and Google Fonts services | Pages can stay stale until the cache is purged by hand; Advanced option that depends on WP Rocket internals |
| Features (Speed Optimization plugins checklist) | ||
| Page cache | Yes | — |
| Browser cache | Yes | — |
| Minify CSS/JS | Yes | — |
| CDN | Paid | — |
| Object cache | Yes | — |
| Database cleanup | Yes | — |
| Free version | Yes | — |
| More features | ||
| Other features | Lazy loading of images, iframes and videos, Image optimisation, WebP image conversion, Force HTTPS, Heartbeat control, PageSpeed analysis | Disables automatic cache clearing on content and settings changes, Disables cache clearing on user and term changes, Disables cache clearing on Elementor saves, Disables cache clearing after WooCommerce variation saves, Shows a notice on the WP Rocket settings page |
| Integrations | ||
| Analytics | Google PageSpeed Insights | — |
| E-commerce | — | WooCommerce |
| Plugins | — | WP Rocket, Elementor |
| Other | Google Fonts | — |
| Requires WordPress | 5.5.1 | — |
| Requires PHP | 7.0 | — |
| Tested up to | 7.1 | — |
| Phones home | No | No |
| External services | www.googleapis.com, fonts.googleapis.com, sgwpdemo.com, api.wordpress.org | — |