Autoptimize vs Convesio Caching
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| Feature | Autoptimize v3.1.16 · checked 23 Oct 2026 Free + paid · ★ 4.7/5 Visit Details | Convesio Caching v3.7.0 · checked 23 Oct 2026 Free Visit Details |
|---|---|---|
| At a glance | ||
| Active installs | 800,000+ | — |
| Last updated | September 26, 2026 | — |
| Editions | Autoptimize · Autoptimize Pro ($) | Convesio Caching |
| Pros | Aggregates and minifies CSS and JavaScript; Lazy-loads images with WebP and AVIF support; Works without changing theme code | Toolbar button to purge the cache; Purges the cache when posts change; Purges Cloudflare when it is in use |
| Cons | Aggressive script changes can break pages and need testing; Page cache, CDN and critical CSS need the paid Pro version | Little use outside the Convesio platform; Page cache itself is not in this code; Bundles SendGrid mail delivery when that setting is on |
| Features (Speed Optimization plugins checklist) | ||
| Browser cache | — | No |
| Minify CSS/JS | — | No |
| CDN | — | No |
| Object cache | — | No |
| Database cleanup | — | No |
| Free version | — | Yes |
| More features | ||
| Other features | CSS and JavaScript aggregation and minification, Image lazy-load and WebP and AVIF settings, Extra options for fonts, emoji and script placement, Critical CSS through the criticalcss.com premium API ($), Pro upgrade tab in the admin | Toolbar button to purge the cache, Purges the cache when a post changes, Purges Cloudflare when in use, Detailed cache control setting, Purge hooks for other cache plugins, Cache settings page |
| Integrations | ||
| — | SendGrid | |
| Other | criticalcss.com ($), Google Fonts | Cloudflare, Kernl update checks |
| Requires WordPress | 5.3 | — |
| Requires PHP | 7.4 | — |
| Tested up to | 7.1 | — |
| Phones home | No | No |
| External services | criticalcss.com, misc.optimizingmatters.com | api.sendgrid.com, kernl.us |