Jetpack Boost – Website Speed, Performance and Critical CSS for WordPress Plugin Directory
By Automattic
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 Aug 31, 2026.
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.
AppRanks data: Jetpack Boost – Website Speed, Performance and Critical CSS ranks #7 in Cache on WordPress Plugin Directory, placing it in the top 2% of that category.
AppRanks verdict
Generated from live marketplace data — refreshed daily
Jetpack Boost – Website Speed, Performance and Critical CSS is a highly rated WordPress app with a growing review traction. It is listed in the Cache category on WordPress Plugin Directory, which AppRanks treats as the canonical taxonomy node for ranking and competitor comparison. 607 reviews show steady adoption but the app hasn't crossed the heavy-volume bar yet. Review accumulation at this stage tends to come from segment-specific use cases rather than universal adoption, so fit-to-stack matters more than category-leader brand recognition. Paid-only pricing means evaluating fit on the marketplace listing or via the developer's documentation before installing. AppRanks tracks rating, review count, pricing tier, and category position daily — the figures on this page reflect the most recent scrape from the canonical WordPress Plugin Directory listing.
Pros
- +High average rating (4.7★) signals consistent merchant satisfaction
- +Published by Automattic — established developer track record
Cons
- −No declared third-party integrations on the listing — verify compatibility with your existing tools before installing
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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.
Read more about critical CSS generation at web.dev
Page Cache speeds up your site by saving pages as static files. These files are quickly served to visitors, reducing load times and enhancing user experience.
Defer Non-Essential JavaScript moves some tasks to after the page loads, so that important visual information can be seen sooner and your website loads quicker.
Read more about deferring JavaScript at web.dev
Image Guide is a must-have feature for anyone who wants to optimize the images on their website. With this guide, you can ensure that the images on your site are the right size and dimensions, which is critical for improving user experience, page speed, and site ranking. Following the tips and best practices outlined in the guide, you can reduce image file sizes and speed up your site. Check out our support page to learn more about this feature and how it can help you achieve a faster and smoother website experience for your users.
Image CDN allows your site to serve automatically-resized images in modern web formats directly from Jetpack’s worldwide Content Delivery Network.
Read more about Image CDNs at web.dev
Concatenate and Minify CSS and JS combines and shrinks your JavaScript and CSS resources to reduce the number and size of requests to your server, ensuring your content loads faster.
Read more about minifying files at web.dev
Don’t want to have to manually generate your critical CSS each time you update your site? Let us do the heavy lifting for you with automated critical CSS – each time you update your site we will automatically regenerate your critical CSS and update your performance scores. Upgrading also gives you dedicated email support access.
With 💚 by Jetpack This is just the start!
We are working hard to bring more features and improvements to Jetpack Boost. Let us know your thoughts and ideas!
We’d also like to give a special THANK YOU to the XWP team who provided help with initial research and scoping of the plugin and were engaged with our team throughout the project.
Category rankings
As of Sep 4, 2026- Cache#7of 369Top 2%
- Performance#16of 762Top 3%
- Popular#242of 510Top 48%
See 90-day rank history for each category
Track daily rank changes, category shifts, and position volatility.
Competitors & alternatives
Jetpack Boost – Website Speed, Performance and Critical CSS doesn't have curated competitor matchups yet. Other tracked cache apps on WordPress:
Frequently asked questions
What is Jetpack Boost – Website Speed, Performance and Critical CSS?
Jetpack Boost – Website Speed, Performance and Critical CSS is an app for WordPress. It currently holds a 4.7-star rating from 607 merchant reviews, and AppRanks has been tracking its public marketplace data on the refresh cadence published in our methodology. It is listed under the Cache category on AppRanks, where you can see its current category position, review-velocity trend, and how it compares against the top alternatives in the same space. Developed by Automattic.
Who uses Jetpack Boost – Website Speed, Performance and Critical CSS?
Currently around 200,000 active stores have installed Jetpack Boost – Website Speed, Performance and Critical CSS. Its review base of 607 suggests adoption is concentrated in growth-stage and mid-market stores. It is part of the Cache category on WordPress.
Where does Jetpack Boost – Website Speed, Performance and Critical CSS rank on WordPress?
Jetpack Boost – Website Speed, Performance and Critical CSS currently sits at position #7 in the Cache category on WordPress. That places it in the top 2% of 369 apps tracked in the same category. Category positions are read from the live marketplace ranking and refresh on each scrape, so the number you see here reflects the most recent crawl rather than a long-running average.