Jan 122015

WordPress Optimize CSS And JS Plugins report, provides information on the following plugins Autoptimize, Fast Velocity Minify and more.

Last Updated: April 9, 2024

Latest News: Updated the version information.

The following list of plugins will help you minify and optimize CSS and JS files and more. This will help you improve your website speed and performance. You might like to read more about improving your website speed.

  • Autoptimize
  • Fast Velocity Minify
  • Async JavaScript
  • WP Asset Clean Up

Note: These plugins are powerful and minifying CSS and JS files can be very tricky. You should carry out these optimization with care. I suggest that you carefully read any instructions and FAQ if they are available and make sure you create a backup before you start.

Information: Always remember to try and not have too many plugins added to your website or blog. The more plugins you add the more request and processing resources it requires to use from your server!!!

Please read the following link Help Support WordPress Plugins And Themes Developers to help support the developers.

WordPress Optimize CSS And JS Plugins




Autoptimize is a WordPress plugin that speeds up your website, and helps you save bandwidth.

Information: The author of is plugin recommends the following cache plugins WP Super Cache and Hyper Cache.

Important: This plugin has now reached more than 36 million downloads and more than 1 million active installations.

Version 3.1.11 | By futtta, optimizingmatters, zytzagoo and turl | Last Updated: April 4, 2024 | Compatible up to WordPress 6.5



Fast Velocity Minify

This plugin reduces HTTP requests by merging CSS & Javascript files into groups of files, while attempting to use the least amount of files as possible. It minifies CSS and JS files with PHP Minify (no extra requirements).

Version 3.4.1 | By Raul Peixoto | Last Updated: October 20, 2023 | Compatible up to WordPress 6.3.3


Async JavaScript

Eliminate Render-blocking Javascript in above-the-fold content with Async Javascript.

Render-blocking Javascript prevents above-the-fold content on your page from being rendered until the javascript has finished loading. This can impact on your page speed and ultimately your ranking within search engines. It can also impact your user’s experience.

Async JavaScript gives you full control of which scripts to add an ‘async’ or ‘defer’ attribute to or to exclude to help increase the performance of your WordPress website.

Version | By Frank Goossens (futtta) | Last Updated: July 2, 2023 | Compatible up to WordPress 6.2.2



WP Asset Clean UP

There are often times when you are using a theme and a number of plugins which are enabled and run on the same page. However, you don’t need to use all of them and to improve the speed of your website and make the HTML source code cleaner (convenient for debugging purposes), it’s better to prevent those styles and scripts from loading.

Important: This plugin has now reached more than 3 million downloads and more than 100 thousand active installations.

Version | By Gabriel Livan | Last Updated: August 2, 2023 | Compatible up to WordPress 6.3.2


The following is a list of questions from different areas of the net about how to optimize CSS, JS files and more.


Q1 How to inline the contents of an entire stylesheet with WordPress?

Answer: You might like to read the following URL how-to-inline-the-contents-of-an-entire-stylesheet-with-wordpress.


This list will change from time to time and it will grow with more plugins added. Please keep coming back to review the changes and additions.

If you have a questions please let me know


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I have been working in IT since 1999 and I enjoy the challenges it brings me. I love developing websites with WordPress. I spend a lot of time helping out in wordpress.org forums. I have been writing tutorials since 2011. Now I am learning how to manage my own VPS "Virtual Private Server.

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