Website tool
Website Gzip Checker
Inspect response headers to see whether a site uses gzip, brotli, deflate or another compression encoding.
Interactive tool
Use Gzip Checker
Usage instructions
How to use this tool
- Enter a website URL.
- Run the check.
- See the reported encoding and relevant headers.
About this tool
Why people use Website Gzip Checker
Compression checks are useful during performance reviews and deployment audits.