Autoptimize vs FlyingPress
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| Feature | Autoptimize v3.1.16 · checked 23 Oct 2026 Free + paid · ★ 4.7/5 Visit Details | FlyingPress v5.6.5 · checked 23 Oct 2026 Paid Visit Details |
|---|---|---|
| At a glance | ||
| Active installs | 800,000+ | — |
| Last updated | September 26, 2026 | — |
| Editions | Autoptimize · Autoptimize Pro ($) | FlyingPress ($) |
| Pros | Aggregates and minifies CSS and JavaScript; Lazy-loads images with WebP and AVIF support; Works without changing theme code | Page cache, minify, lazy load and font swap in one plugin; Cloudflare cache rules and purge integration; Image optimisation and page preloading built in |
| Cons | Aggressive script changes can break pages and need testing; Page cache, CDN and critical CSS need the paid Pro version | Needs a paid licence key for updates; Image optimisation runs on the vendor's service; Gains depend on the theme and plugins in use |
| Features (Speed Optimization plugins checklist) | ||
| Page cache | — | Yes |
| Browser cache | — | Yes |
| Minify CSS/JS | — | Yes |
| CDN | — | Yes |
| Object cache | — | Yes |
| Database cleanup | — | Yes |
| Free version | — | No |
| 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 ($), Pro upgrade tab in the admin | Image optimisation (compression, AVIF, resize) ($), Page preloading after purge ($), Lazy loading of images ($), Font display swap and Google Fonts optimisation ($), YouTube embed placeholder ($), Cloudflare cache purge on content changes ($), WP-CLI commands for purge and licence ($) |
| Integrations | ||
| E-commerce | — | WooCommerce ($) |
| Plugins | — | Polylang ($), WPML ($) |
| Other | criticalcss.com ($), Google Fonts | Cloudflare ($), Google Fonts ($) |
| Requires WordPress | 5.3 | 4.7 |
| Requires PHP | 7.4 | 7.4 |
| Tested up to | 7.1 | 7.1 |
| Phones home | No | No |
| External services | criticalcss.com, misc.optimizingmatters.com | api.cloudflare.com, image-optimizer.flyingpress.com, license.flyingpress.com, page-optimizer.flyingpress.com, purge.flyingcdn.com, translations.flyingpress.com, api.flyinghost.com, video-thumbnails.flyingpress.com |