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GZIP Compression Test – Instantly Check Website GZIP or Brotli Compression

A GZIP Compression Test online is a simple tool that allows you to instantly check if your website or server delivers compressed content using GZIP or Brotli. This helps improve website speed, reduce data transfer, and boosts search rankings by making web pages lighter and faster.


GZIP Compression Test – Instantly Check Website GZIP or Brotli Compression

With a GZIP Compression Test online, you can quickly analyze whether your web server or website is using GZIP (or Brotli) compression to shrink files like HTML, CSS, and JavaScript before sending them to visitors’ browsers. Compression can reduce file sizes by up to 70%, accelerating load times and cutting bandwidth costs.

To use the tool, just enter your website URL—no signup or download required. The test scans your site, checking the Content-Encoding HTTP header to confirm GZIP or Brotli is enabled. Results typically show:

  • Whether GZIP or Brotli compression is active for your site.
  • The original vs. compressed file sizes.
  • The percentage of bandwidth saved.
  • Guidance on enabling GZIP if it’s not detected.

Benefits of using a GZIP Compression Test online:

  • Instant verification: Quickly confirm that your content is compressed.
  • Performance insights: See potential speed gains and bandwidth savings.
  • SEO advantages: Search engines favor fast-loading, compressed websites.
  • Simple and secure: Test runs directly in your browser; no data is stored.

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