Jetpack Boost – Website Speed, Performance and Critical CSS for WordPress
By Automattic
- Category rank
- #7 in Cache
- Listing audit
- 53/100
Jetpack Boost – Website Speed, Performance and Critical CSS is a WordPress Plugin Directory app by Automattic. With a rating of 4.7★ from 607 reviews, it currently ranks #7 in the Cache category.
Jetpack Boost – Website Speed, Performance and Critical CSS is the #7 ranked Cache app on WordPress, with a 4.7 average rating from 607 reviews, as of Sep 11, 2026.
AppRanks verdict
Generated from marketplace data as of Sep 11, 2026
Jetpack Boost – Website Speed, Performance and Critical CSS ranks #7 of 369 in Cache on WordPress. It holds a 4.7★ average from 607 reviews on WordPress.
Pros
- +4.7★ average across 607 reviews
Cons
- −No declared third-party integrations on the listing — verify compatibility with your existing tools before installing
How Jetpack Boost – Website Speed, Performance and Critical CSS works
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Speed up your WordPress site by optimizing page performance with Jetpack Boost. Easily activate one-click optimizations to boost your Core Web Vitals.
Did you know that a faster website:-
Ranks higher on Google.
Improves bounce rate (people stay on your site for longer).
Increases your conversion rate.
Increase your website performance and speed up your website with one-click optimizations that supercharge your WordPress site’s performance and improve core web vitals scores for better search engine listings.
Improving Core Web Vitals helps you rank higher on Google. A faster website also improves your SEO, helps you reduce your bounce rate and increase your ecommerce conversion rate.
Largest Contentful Paint (LCP): Measures loading performance. Improve your LCP and improve your website loading speed.
First Input Delay (FID): Measures interactivity. To improve user experience pages should have a low FID.
Cumulative Layout Shift (CLS): Measures visual stability. Lowering your CLS helps improve your user experience.
Performance Modules Optimize your website with the same techniques used on the world’s most successful websites.
Each technique that is used to increase website performance is packaged up as a module that you can activate and try out.
Currently, the plugin has 6 performance modules available:
Optimize CSS Loading generates Critical CSS for your homepage, posts and pages. This can allow your content to show up on the screen much faster, particularly for viewers using mobile devices.