How to check if Apache compression is working?

Solution 1:

An alternative way to quickly check the headers of the HTTP response would be to use curl.

For instance, if the Content-Encoding header is present in the response, then mod_deflate works:

$ curl -I -H 'Accept-Encoding: gzip,deflate' http://www.example.org/index.php
[...]
Content-Encoding: gzip
[...]

If you run the above command without the -H 'Accept-Encoding: gzip,deflate' part, which implies that your HTTP client does not support reading compressed content, then Content-Encoding header will not be present in the response.

Hope this helps.

Solution 2:

for simple way, you can use google chrome, open menu Tools > Developer Tools then look at this image

if you DISABLE the compression, you won't see that gzip text

hope it helps