CSS minifier
Minify your CSS stylesheets by stripping unnecessary whitespace and comments for optimal performance.
CSS Minification & Render-Blocking Resource Guide
Unblock the browser critical rendering path and accelerate Largest Contentful Paint (LCP).
Because CSS is a render-blocking resource, browsers cannot paint pixels until stylesheets are fully downloaded and parsed. Minifying CSS files eliminates whitespace, comments, and shortens declarations (e.g. margin: 0px becomes margin:0), accelerating first render on mobile and desktop.
Whitespace Stripping
Removes unnecessary indentations and spaces around braces and colons.
Unit Optimization
Simplifies zero values and shortens 6-digit hex color codes where applicable.
CSSOM Speed
Speeds up CSS Object Model construction for smoother mobile page loads.
Core Web Vitals
Directly lowers Largest Contentful Paint (LCP) and First Contentful Paint (FCP).
Questions Fréquemment Posées (FAQ)
Tout ce que vous devez savoir pour exploiter au mieux cet outil.
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