https://ipaddr.es/http-compression-test.php
HTTP Compression Test - IP Addr.es
http compression testipaddr
https://www.whatsmyip.org/http-compression-test/
HTTP Compression Test / WhatsMyIP.org
HTTP Compression Tester lets you verify that web content is being compressed using gzip / deflate / mod_gzip / mod_deflate. Test your web site after enabling...
http compression testwhatsmyip