PageSpeed.PRO publishes free optimization tools under the name Style.Tools.
- browser-widget - DevTools for frontend optimization (FEO).
- $async - Professional async CSS and script loader.
- $lazy - Professional lazy loader and in-view callback.
- Critical CSS generator - A PostCSS based critical CSS generator with Puppeteer-like browser control that can achieve 100% accuracy.
- Unused CSS remover - Advanced unused CSS extractor & remover.
- Duplicate CSS remover - Duplicate CSS remover.
Documentation is available on docs.style.tools.
DevTools for frontend optimization (FEO)
The Style.Tools project started as a free browser-widget that provides a sort of DevTools (developer tools) for frontend optimization (FEO).
Style.Tools is available with 1 click on any page on the internet, including pages behind a login.
Start Style.Tools🔬 FEO
The Style.Tools widget provides many state of the art optimization tools, including:
- CSS editor with themes
- Critical CSS generator
- Unused CSS extractor and remover
- Duplicate CSS remover
- CSS beautify
- CSS code optimization (clean-css)
- CSS code repair (fix malformed CSS)
- CSS lint (quality checks)
- CSS statistics (analysis)
- PostCSS plugins: autoprefixer and many more
- Above-the-fold optimizer
The widget provides localhost and offline support via a Service Worker on domain style.tools. You can use many of the features locally without an internet connection. The cache for preferences is preserved across domains.
Documentation is available on docs.style.tools.