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Free GZIP Compression Test – Check If Your Website Uses GZIP for Faster Load Times

Test your website’s GZIP compression status instantly. Find out if your server is delivering compressed content to improve speed, reduce bandwidth, and boost SEO.


Free GZIP Compression Test – Check If Your Website Uses GZIP for Faster Load Times

The GZIP Compression Test is a free online tool that checks whether your website is using GZIP or Brotli compression to reduce the size of transferred data. GZIP helps significantly speed up page load times by compressing HTML, CSS, JavaScript, and other web assets before sending them to the browser.

Just enter your website URL, and the tool will analyze the HTTP response headers to confirm if compression is enabled, and how much size reduction is achieved.

🔍 Features:

  • Instantly checks if GZIP or Brotli compression is enabled
  • Displays original vs compressed file size
  • Shows percentage of size reduction
  • Works on any public domain
  • Free, fast, and easy to use

Using GZIP improves website performance, decreases bounce rates, and enhances SEO ranking by improving page speed.

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