Your CSS files contain extra characters like comments and whitespace that are not needed by the browser. 'Minifying' this code removes the unnecessary data, making the files smaller and faster for the browser to download and apply to your page. This can directly speed up how quickly your page becomes visually complete.
Serving a CSS file with developer comments and indentation to users.
Use a build tool with a CSS minifier (like cssnano or clean-css) to automatically create optimized versions of your stylesheets for your production website.
Smaller CSS files download faster, which means the browser can start rendering your page sooner. This is a key optimization for improving your First Contentful Paint (FCP) score.
This issue can affect your site's search engine rankings and user experience. Addressing it promptly helps ensure optimal performance and visibility in search results.
Black SEO Analyzer automatically checks for this warning during site analysis, along with hundreds of other technical SEO issues.
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