CSS-JS-Booster automates performance optimizing steps related to CSS, Media and Javascript linking/embedding.
As of April 2026, CSS-JS-Booster is a WordPress css plugin with 20 active installations and a 0/5 rating0. It has been downloaded 12K+ times in total. Requires WordPress 2.9.1+ and PHP false+. Available on WordPress.org since 2010. Last updated 15 years ago — may have compatibility concerns. Top alternative: WPCode – Insert Headers and Footers +….
CSS-JS-Booster is a PHP-script that tries to automate as many performance
optimizing steps related to CSS and JS embedding as possible.
Depending on the amount of CSS, CSS-images and JS, this can significantly
increase loading speed of your site.
Note: Check by hand the htaccess-part! (see “Installation”)
| WordPress | 2.9.1+ requiredTested up to 3.0.0 |
| PHP | false+ required |
Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.