#47 by installs
WP Fastest Cache – WordPress Cache Plugin
The simplest and fastest WP Cache system
- Installs
- 1+ million
- Rating
- 4.9 (4.2K)
- Updated
- 21 days ago
Autoptimize
Autoptimize speeds up your website by optimizing JS, CSS, images (incl. lazy-load), HTML and Google Fonts, asyncing JS, removing emoji cruft and more.
- Active installs
- 800,000+
- #77 of 1,000
- Downloads, all time
- 45.2M
- 45,190,263
- Downloads, 30 days
- 588.6K
- 380.1K in the last 7
- Rating
- 4.7 / 5
- 1,428 reviews
- Last updated
- 6 days ago
- Oct 25, 2026
- Version
- 3.1.17
- 109 releases
What Autoptimize's own page says
Read from autoptimize.comon
| Plan | Price | Billed | Renews at | Sites |
|---|---|---|---|---|
| Single site | 12.99 € | Not clear on the page | Not shown | Not shown |
| 5 Sites | 39.99 € | Not clear on the page | Not shown | Not shown |
The page's own words around each price
- Single site:
ritical CSS rules - Autoptimize Boosters - Wizard for easy configuration - Great support 12.99 €/$ per month or 89 €/$ per year [Buy license now!](https://checkout.freemius.c
- 5 Sites:
ritical CSS rules - Autoptimize Boosters - Wizard for easy configuration - Great support 39.99 €/$ per month or 379 €/$ per year [Buy license now!](https://checkout.freemius.
Who it is for
As an Autoptimize user you know having a fast site is very important.
Use cases the vendor names
- Image optimization
- Page Caching
- Automatic Critical CSS rules
- Autoptimize Boosters
- Wizard for easy configuration
Features it lists
- Image optimization
- Page Caching
- Automatic Critical CSS rules
- Autoptimize Boosters
- Wizard for easy configuration
- Great support
A script read this page, and kept only what the page's text backs up. These are the vendor's list prices and its own words, not a deal and not my review. Prices change and can differ by country, so confirm on the vendor's page before you buy.
Upkeep and compatibility
| Last updated | October 25, 2026Updated in the last 3 months |
|---|---|
| Tested up to | WordPress 7.1.4Covers WordPress 7.1.4, the current release |
| Needs WordPress | 5.3 or newer |
| Needs PHP | 7.4 or newer |
| First published | July 9, 2009 |
| Support, last two months | 4 of 5 threads resolved (80%) |
Reviews
4.7 / 5 from 1,428 reviews
| 5 stars | 1,289 |
|---|---|
| 4 stars | 34 |
| 3 stars | 21 |
| 2 stars | 20 |
| 1 star | 64 |
Downloads, last 30 days
What the author says it does
Autoptimize makes optimizing your site really easy. It can aggregate, minify and cache scripts and styles, injects CSS in the page head by default but can also inline critical CSS and defer the aggregated full CSS, moves and defers scripts to the footer and minifies HTML. You can optimize and lazy-load images (with support for WebP and AVIF formats), optimize Google Fonts, async non-aggregated JavaScript, remove WordPress core emoji cruft and more. As such it can improve your site’s performance even when already on HTTP/2! There is extensive API available to enable you to tailor Autoptimize to each and every site’s specific needs.
If you think performance indeed is important, you should at least consider one of the many free page caching plugins (e.g. Speed Booster pack or KeyCDN’s Cache Enabler) to complement Autoptimize or even consider Autoptimize Pro which not only has page caching but also image optimization, CDN, critical CSS and more!
Autoptimize Pro
Autoptimize Pro is a premium Power-Up, adding image optimization, CDN, page caching, automatic critical CSS rules and extra “booster” options, all in one handy subscription to make your site even faster!!
Premium Support
We provide great Premium Support and Web Performance Optimization services with Accelera, check out our offering on https://accelerawp.com/!
(Speed-surfing image under creative commons by LL Twistiti)
The opening of the plugin's own description. The full text, installation notes and changelog are on its WordPress.org page.
Questions the author answers
What does the plugin do to help speed up my site?
It minifies all scripts and styles and configures your webserver to compresses them with good expires headers. JavaScript be default will be made non-render-blocking and CSS can be too by adding critical CSS. You can configure it to combine (aggregate) CSS & JS-files, in which case styles are moved to the page head, and scripts to the footer.
But I’m on HTTP/2, so I don’t need Autoptimize?
HTTP/2 is a great step forward for sure, reducing the impact of multiple requests from the same server significantly by using the same connection to perform several concurrent requests and for that reason on new installations Autoptimize will not aggregate CSS and JS files any more.
Will this work with my blog?
Although Autoptimize comes without any warranties, it will in general work flawlessly if you configure it correctly. See “Troubleshooting” below for info on how to configure in case of problems. If you want you can test Autoptimize on a new free dummy site, courtesy of tastewp.com.
Why is jquery.min.js not optimized when aggregating JavaScript?
Starting from AO 2.1 WordPress core’s jquery.min.js is not optimized for the simple reason a lot of popular plugins inject inline JS that is not aggregated either (due to possible cache size issues with unique code in inline JS) which relies on jquery being available, so excluding jquery.min.js ensures that most sites will work out of the box.
Why is Autoptimized JS render blocking?
This happens when aggregating JavaSCript and ticking the “force in head” option or when not aggregating and not deferring. Consider changing settings.
Why is the autoptimized CSS still called out as render blocking?
With the default Autoptimize configuration the CSS is linked in the head, which is a safe default but has Google PageSpeed Insights complaining. You can look into “inline all CSS” (easy) or “inline and defer CSS” (better) which are explained in this FAQ as well.
Latest changelog entry
- fix regression with image optimization when W3 Total Cache is active, thanks to Andy for reporting & confirming fix
- security improvement for Google Font optimization, thanks to Shinya (@4n86rakam1) for reporting & confirming fix
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Where this page's numbers come from
Read from the WordPress.org plugin API on , when WordPress 7.1.4 was the current release. WordPress.org rounds active installs into buckets. These are the directory's figures, not my verdict, and I haven't tested this plugin. The author takes donations at their donate page.