GZIP can compress the size of page, which can speed up the website.
How to check a site enable gzip or not?
In this tutorial, we will use curl to check.
The command is:
curl -H “Accept-Encoding: gzip” -I site_url
Example 1:
curl -H "Accept-Encoding: gzip" -I https://www.tutorialexample.com
The result is:
From the result, we do not find any gzip information, so our site disable gzip.
Example 2:
curl -H "Accept-Encoding: gzip" -I https://www.taobao.com
The result is:
From the result, we find a content-encoding:gzip response header, which means taobao.com enable gzip.