https://www.giftofspeed.com/gzip-test/
Gzip/Brotli Compression Test | GiftOfSpeed
Check if Gzip or Brotli compression is working on your website.
brotli compression testgzip
https://httpcompression.com/?ref=httpcats.com
HTTP Compression Check | Test gzip, Brotli, zstd, deflate
Test if a website supports HTTP compression. Check for gzip, Brotli, zstd, and deflate encoding support.
http compression checktestgzipbrotlizstd