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Dev tools · July 8, 2018

Unused CSS

Easily find and remove unused CSS rules

Unused CSS launched on July 8, 2018 with 307 votes, #41 of 2,673 launches that month and more than 95% of that year's launches. The site was still online in September 2026, 8 years on.

Visit unused-css.com ↗Unused CSS alternativestop 2% of July 2018

In plain words

Unused CSS is an online tool that identifies and removes unused CSS rules from websites. Users can check their pages, review which CSS is unnecessary, and download a cleaned-up CSS file. The tool is designed for developers and web engineers looking to optimize their stylesheets by eliminating redundant code.

written from the facts on this page · September 2026

From the sources

Unused CSS is an online tool to remove unused CSS rules. It will check your pages, find unused CSS and let you download a clean CSS file.

UnusedCSS is an online tool to remove unused CSS rules. It will check your pages, find unused CSS and let you download a clean CSS file.

A faster website can lead to more sales. Less CSS code means less time to download your web page, and less time for a web browser to parse and display it. Whether your engagement metrics include products bought or number of ads viewed, a faster website can help you achieve your goals. We work out which rules you are actually using by looking at your HTML and Javascript. Less clutter in your code means better maintainability. Our company manages a complex platform that is constantly being updated. We use Unused CSS to improve our system by removing erroneous and unneeded CSS code. This has reduced load times and enabled us to deliver a better product to our users. Thank you! We're always…from unused-css.com

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