How to fix: Issues with uncompressed JavaScript and CSS files

Semrush site audit tips uncompressed CSS files uncompressed JavaScript files

Issue: Uncompressed JavaScript and CSS files increase your page’s size and slow down load time, negatively affecting user experience and potentially lowering SEO rankings.

Fix: Enable compression on your server for JavaScript and CSS files. For external files, contact the host to request compression.

Recommendations

  1. Enable Gzip or Brotli Compression: Configure your server to use Gzip or Brotli to compress JavaScript and CSS files, reducing file size.
  2. Use Compression Testing Tools: Check your site with online tools to confirm that JavaScript and CSS files are compressed.
  3. Monitor External Resources: For external files, confirm they don’t impact load speed. If they do, request compression from the file host.
  4. Regularly Audit Compression Settings: Periodically review your site’s compression settings, especially after updates, to ensure optimal performance.

Tip: Compressed files load faster, improving both SEO and user experience.

Related Posts