Compression

Why it matters

Gzip or Brotli compression typically shrinks text files by 60–80 %, making pages load faster at no cost to quality.

How to fix it

1. Enable Gzip or Brotli on your server or CDN for HTML, CSS, JavaScript and SVG.

Check it with

• Gzip & Brotli Compression Test – Check whether a page is served with Gzip or Brotli and how much it saves.

Scoring: a passed check earns its full weight, a warning half and an error none. How the SEO score works

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