Description

WP Super Minify automatically minifies, compresses, and caches HTML, CSS & JavaScript files (inline and individual) on demand to enhance website’s load speed.

Once activated, the plugin seamlessly compresses HTML, inline CSS, and JavaScript, reducing file sizes for faster page loading. This optimisation helps improve your site’s Google PageSpeed Insights and GTmetrix performance scores.

Additionally, WP Super Minify minifies individual JavaScript and CSS files, ensuring they load correctly and are automatically updated whenever the original files are modified or added — no manual settings needed!

Optimise your website effortlessly and deliver a faster, smoother experience to your visitors.

To check whether this plugin works properly, simply view your site source or press Ctrl + U from your keyboard. In the end of the source, you should see message something like:

*** Total size saved: 11.341% | Size before compression: 27104 bytes | Size after compression: 24030 bytes. ***

Like this plugin? You’ll love my other plugin: WP Performance Score Booster

Development & Support

Follow the development of this plugin on GitHub.

P.S. It is always the best policy to open a support thread first before posting any negative review.

Credits

A big shoutout to Steve Clay and Matthias Mullie for sharing their Minify libraries on GitHub. While these libraries are no longer actively maintained, their work has been invaluable, and I sincerely thank them.

Screenshots

Admin Settings
Serves minified CSS & JS files instead of the original during page load
Reduced HTML source size after compression
Performance impact of minified CSS & JS
Google PageSpeed Insights Performance Results

Installation

Automatic Installation (Recommended)

Go to your WordPress Dashboard Plugins Add New.
Search for WP Super Minify.
Click Install Now, then Activate the plugin.
The plugin is now ready to use!

Manual Installation (Upload via WordPress Dashboard)

Download the latest version of the plugin (.zip file).
In your WordPress Dashboard, go to Plugins Add New Upload Plugin.
Click Choose File, select the downloaded .zip file, and click Install Now.
Once installed, click Activate Plugin.

Manual Installation (FTP/SFTP Method)

Download and extract the plugin .zip file.
Connect to your server via FTP/SFTP.
Upload the extracted folder to /wp-content/plugins/.
In your WordPress Dashboard, go to Plugins and activate WP Super Minify.

FAQ

What does this plugin do?: This plugin automatically minifies, compresses, and caches HTML, CSS & JavaScript files (inline and individual) to enhance website’s load speed.
Do I need to do anything when I modify an original CSS or JS file?: No — you don’t need to do anything. This plugin automatically updates the minified and compressed version of the file whenever the original is modified.
Any specific requirements for this plugin to work?: No.

Reviews

mohamadsalehe 14 di Fevrâr dal 2025

Rarely i comment on incredible plugins but it’s wonderful and really can help to minify js and css files.it was the minimum things that i can do for developer(s) of this plugin

dimitrescuwild 21 di Avrîl dal 2022

Не минифицирует css и js

Sepi 7 di Fevrâr dal 2022 8 replies

didnt show img of site,so many ads anywaye hope to see better version. my theme: hello elementor ////////////////////////////////////// with support from Dipak C. Gajjar,looks like problem is with lazy load any way,This plugin combines, minifies, and caches inline JavaScript and CSS files very well

Posandu 16 di Setembar dal 2021

Thought this was a good plugin. After installing it on my site, it slowed the site !!

Brunozit 28 di Avrîl dal 2021

Great, I searched for a long time for such a simple and clear plugin, Bravo

Bongs 9 di Zenâr dal 2021

This plugin broke my site. All posts returned 404 pages. I had to uninstall the plugin and reset permalinks to solve the problem.

Read all 55 reviews

Contributors & Developers

“WP Super Minify • Minify, Compress and Cache HTML, CSS & JavaScript” is open source software. The following people have contributed to this plugin.

Dipak C. Gajjar

Translate “WP Super Minify • Minify, Compress and Cache HTML, CSS & JavaScript” into your language.

Interested in development?

Browse the code, check out the SVN repository, or subscribe to the development log by RSS.

Changelog

2.0, February 16, 2025

Fully rebuilt with a new, optimized codebase.
Improved performance, efficiency, and compatibility.
Enhanced minification, compression, and caching logic.
Automatic updates for minified files when originals change.
Bug fixes and stability improvements.

1.6, September 02, 2023

Improve: Security — CSRF Check
Improve: Data Sanitization / Escaping
Improve: Removed Promos, News and Updates, and recommendations area completely to make options page more clean

1.5.1, March 21, 2017

Improved Promos, News and Updates, and recommendations area.

1.5, December 30, 2016

Updated min library to it’s latest version

1.4, October 1, 2016

Fixed css conflict with WP Performance Score Booster.
Improved Settings page.
Added hosting recommendations (referrals).

1.3.2, May 24, 2016

Added Settings option (link) under Plugins page
Moved plugin options (settings) from sidebar to under Settings
Updated settings page

1.3.1, March 17, 2015

Reverted support for combine external javascript and css files into a single file due to conflict with other plugins

1.3, March 12, 2015

Added support for combine external javascript and css files into a single file

1.2, Feb 28, 2015

Added News and Updates section in admin options

1.1, Jan 03, 2015

Fixed compression related issues
Replaced manual compression functions with the latest version of Minify PHP Framework

1.0, Oct 04, 2014

Initial release

WP Super Minify • Minify, Compress and Cache HTML, CSS & JavaScript