Plugin info

Total downloads: 348,108
Active installs: 7,000
Total reviews: 64
Average rating: 4.6
Support threads opened: 2
Support threads resolved: 0 (0%)
Available in: 2 language(s)
Contributors: 2
Last updated: 11/10/2025 (50 days ago)
Added to WordPress: 12/30/2018 (7 years old)
Minimum WordPress version: 4.0
Tested up to WordPress version: 6.8.3
Minimum PHP version: 7.4

Maintenance & Compatibility

Maintenance score

Actively maintained • Last updated 50 days ago • Support resolved 0% • 64 reviews

55/100

Is Page Speed Optimizer: HTTP/2 Push, Async JavaScript, and Defer CSS abandoned?

Likely maintained (last update 50 days ago).

Compatibility

Requires WordPress: 4.0
Tested up to: 6.8.3
Requires PHP: 7.4

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WP Rocket ASYNC CSS
Rating 2.8/5 (4 reviews)Active installs 700

Description

  • Push / Pre-load all JS files in site with one simple option

  • Push / Pre-load all the CSS files in your website

  • Push / Pre-load other resources throughout the site or based on the page types

  • Load CSS Asynchronous or Remove any CSS file throughout the site, or there is a conditional selector that you can apply

  • Async / Defer / Remove any JS file throughout the site or based on the WordPress page type

  • You can create mobile device specific rule to push, pre-load, remove, async js or css, this works based on the device user agent detection

  • You can create desktop device specific rule to push, pre-load, remove, async js or css, this works based on the device user agent detection

  • Conditionally remove JS and CSS from various WooCommerce pages like checkout page, cart page, product page, product category page

  • You can push pre-load resource specific on some pages by their ID

  • Remove CSS, JS specific to page or post by their ID

  • Organize rules in group for easy management of the rules

  • Remove CSS, JS on all pages leaving only on the page you specified

  • optimize WooCommerce speed

  • optimize WordPress website speed

Mobile and Desktop detection works based on the wp_is_mobile() function of the WordPress that detect device based on the user agent data send in the request

Apart from this it also offer ability to remove Css and JS file from specific pages based in the selected page tag conditions

Eg: if css path is https://s.w.org/style/wp4.css

then you can match it with wp4.css or style/wp4.css or s.w.org/style/wp4.css

you use 2nd method (style/wp4.css) for more precise selection (this avoid error when there are 2 style with same file name)

Installation

No installation instructions available

Frequently Asked Questions

I want to push some resources when mobile device is used

Yes you can do that

I want to remove some css / js when mobile device is used

Yes you can do that using our mobile detect rule, that works based on the browser user agent detection

I want to push some resource when the request is coming from desktop

Yes you can do that using Desktop specific rule

I want to use it for the WooCommerce related js and css file

yes there is rules to control resources based on WooCommerce page types like product category, shop, single product, cart, checkout pages

I want to push/pre-load resource on specific page

you can do that there is that allows you to specify the Page id for which you want to push the resource

I want to remove some JS and CSS specific on some page

Yes there is rule using that you can remove it for specific page by specifying the page id, e.g: 1,4,66 will select the page with id 1 ,4, and 66

I want to remove it for whole site excluding certain pages

Yes you can do that we have rule to apply rule everywhere excluding the page you specified by id

Does it work with HTTP3

Yes HTTP3 also support push and pre-load of resources

Remove CSS and JS from all the pages excluding one page

Yes you can do that by using the Exclude option and the page selection rule, so that way js or css will be removed from all the pages except the one you specified

Review feed

janiosarmento
11/23/2021

Not compatible with AMP

My websites are entirely in AMP, but this plugin injects non-AMP scripts on evey page. It doesn't even try to inject scripts only in non-AMP. So, kinda useless for me. I hope to give it another try in the future.
camilluskillus
5/17/2022

Simple, handy and must-have :)

It is one of my mandatory plugins, I always use it. :)

Screenshots

Changelog

1.10.40

  • Fix: Fixed the issue exact page id field not showing after saving the rule

1.10.31

  • Fix: Fixed the issue with the select2 not loading properly when WooCommerce is not installed