Title: Critical CSS and Javascript Author: teamperformance Published: March 25, 2020 Last modified: March 25, 2020 --- Search plugins ![](https://ps.w.org/critical-css/assets/banner-772x250.png?rev=2267024) This plugin **hasn’t been tested with the latest 3 major releases of WordPress**. It may no longer be maintained or supported and may have compatibility issues when used with more recent versions of WordPress. ![](https://ps.w.org/critical-css/assets/icon-256x256.png?rev=2267024) # Critical CSS and Javascript By [teamperformance](https://profiles.wordpress.org/teamperformance/) [Download](https://downloads.wordpress.org/plugin/critical-css.1.0.0.zip) * [Details](https://twd.wordpress.org/plugins/critical-css/#description) * [Reviews](https://twd.wordpress.org/plugins/critical-css/#reviews) * [Installation](https://twd.wordpress.org/plugins/critical-css/#installation) * [Development](https://twd.wordpress.org/plugins/critical-css/#developers) [Support](https://wordpress.org/support/plugin/critical-css/) ## Description #### Critical CSS and Javascript This Critical CSS plugin was built exclusively to help you remove render-blocking resources such as CSS and Javascript. We use best practices to cautiously update your website scripts to load after your markup has completed loading. Our plugin also has the ability to defer scripts that are inline which tend to cause trouble when you defer their dependent scripts. We do this to ensure that your inline scripts will not break functionality on your site, while allowing you to benefit from the performance gains. ### Deferring CSS and Javascript Plugin Settings * Ability to exclude specific and critical CSS files * Toggle deferring inline Javascript * Toggle deferring jQuery * Ability to exclude specific and critical Javascript files ### How to ignore a critical CSS or Javascript file Under the Tools section in the wp-admin of your site you will find a submenu “Defer CSS & Javascript”. Click into that page to find a text area where you can add the file that will need to be loaded immediately and not deferred. You can add filenames or path information to exclude. To add multiple assets to this textarea, simply separate them with a comma. ## Installation * Install the Critical CSS WordPress plugin * After installation, click activate on plugin and all your CSS and Javascript files will automatically be deferred. ## Reviews ![](https://secure.gravatar.com/avatar/0c14990109eb589edf0e31d50d1a318bd84b05cd8a1e0641d6548949f4592ce0? s=60&d=retro&r=g) ### 󠀁[Completely screwed up my site](https://wordpress.org/support/topic/completely-screwed-up-my-site/)󠁿 [petethompson](https://profiles.wordpress.org/petethompson/) November 27, 2020 pagespeed rating have dropped from 85 to 11 even after i deleted the plugin and went back to an earlier backup. DO NOT use this. Zero Stars [ Read all 1 review ](https://wordpress.org/support/plugin/critical-css/reviews/) ## Contributors & Developers “Critical CSS and Javascript” is open source software. The following people have contributed to this plugin. Contributors * [ teamperformance ](https://profiles.wordpress.org/teamperformance/) [Translate “Critical CSS and Javascript” into your language.](https://translate.wordpress.org/projects/wp-plugins/critical-css) ### Interested in development? [Browse the code](https://plugins.trac.wordpress.org/browser/critical-css/), check out the [SVN repository](https://plugins.svn.wordpress.org/critical-css/), or subscribe to the [development log](https://plugins.trac.wordpress.org/log/critical-css/) by [RSS](https://plugins.trac.wordpress.org/log/critical-css/?limit=100&mode=stop_on_copy&format=rss). ## Meta * Version **1.0.0** * Last updated **6 years ago** * Active installations **10+** * WordPress version ** 5.0 or higher ** * Tested up to **5.4.19** * PHP version ** 7.0 or higher ** * Language * [English (US)](https://wordpress.org/plugins/critical-css/) * Tags * [Critical CSS](https://twd.wordpress.org/plugins/tags/critical-css/)[defer css](https://twd.wordpress.org/plugins/tags/defer-css/) * [Advanced View](https://twd.wordpress.org/plugins/critical-css/advanced/) ## Ratings 1 out of 5 stars. * [ 0 5-star reviews ](https://wordpress.org/support/plugin/critical-css/reviews/?filter=5) * [ 0 4-star reviews ](https://wordpress.org/support/plugin/critical-css/reviews/?filter=4) * [ 0 3-star reviews ](https://wordpress.org/support/plugin/critical-css/reviews/?filter=3) * [ 0 2-star reviews ](https://wordpress.org/support/plugin/critical-css/reviews/?filter=2) * [ 1 1-star review ](https://wordpress.org/support/plugin/critical-css/reviews/?filter=1) [Your review](https://wordpress.org/support/plugin/critical-css/reviews/#new-post) [See all reviews](https://wordpress.org/support/plugin/critical-css/reviews/) ## Contributors * [ teamperformance ](https://profiles.wordpress.org/teamperformance/) ## Support Got something to say? Need help? [View support forum](https://wordpress.org/support/plugin/critical-css/)