Wp Rocket might be worth the price for you if you’re improving Core Web Vitals, especially LCP, as Autoptimize charges for the Critical CSS feature($5/mo).
WP Rocket has quite a lot more features than Autoptimize Pro, including Remove Unused CSS and New Delay Unused Javascript. The new Delay JS feature makes it easier for non-developers to optimize their websites without causing errors.
Wp Rocket also has a friendly database optimization feature that allows removing junk database tables and comments within a single click.
Autoptimize has other features on its Pro version, available at $79/year, but even that it doesn’t compare to WP Rocket. At $59/year Wp Rocket might be a better choice.
| Functionality | Autoptimize Free | Autoptimize Pro | Wp Rocket |
|---|---|---|---|
| Friendly interface | – | – | ✔️ |
| Tools to improve Core Web Vitals LCP | ✔️ | ✔️ | ✔️ |
| Tools to improve Core Web Vitals CLS | – | – | Critical CSS and Remove Unused CSS filters |
| Delay Javascript until user-interaction | – | ✔️ | ✔️ |
| CDN | (Bunny CDN) | (Bunny CDN) | (Bunny CDN) |
| Critical CSS | ($5mo) | ✔️ | ✔️ |
| Cloudflare integration | ✔️ | ||
| Cloudflare APO integration | – | ||
| Database Optimization | (Db Cleaner) | (Db Cleaner) | ✔️ |
| Lazyload + Image Optimization + WebP | (Imagify $10/mo) | ||
| CSS/JS minification & compression | ✔️ | ✔️ | ✔️ |
| Preconnect, preloading | ✔️ | ✔️ | ✔️ |
| Remove unused CSS | – | – | ✔️ |
| Free version | ✔️ | ✔️ | – |
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