Check GZIP Compression
Find out instantly whether a website uses GZIP or Brotli compression. Compressed pages load faster and rank better.
Only public websites are checked. Private/internal addresses are blocked for safety.
How to use
The Check GZIP Compression is a free online tool — no sign-up or download is required. Find out instantly whether a website uses GZIP or Brotli compression. Compressed pages load faster and rank better.
- Paste the website URL (for example: https://example.com) and click Check Compression.
- A green YES means the server compresses responses; a red NO means it does not.
- Use Clear to reset the form and check another site.
Frequently asked questions
What does the Check GZIP Compression do?
Find out instantly whether a website uses GZIP or Brotli compression. Compressed pages load faster and rank better.
How do I use the Check GZIP Compression?
Open the Check GZIP Compression page, enter or upload your input using the form above, then click the main action button to get your result instantly. You can copy or download the result when you are done. No sign-up or installation is needed.
Is the Check GZIP Compression free to use?
Yes. The Check GZIP Compression is completely free, like every tool on SEO Tools by metacalculator.org. There is no sign-up, no watermark and no hidden limits.
Is my data private when I use the Check GZIP Compression?
Your input is sent to our server only to process your request and generate the result. We do not store your data or share it with anyone, and no account is required.