G-zip is a software application used for file compression and decompression. The program was created by Jean-Loup Gailly and Mark Adler as a free software replacement for the compress program used in early Unix systems, and intended for use by the GNU Project (the “g” is from “GNU”).
The following code can be used to enable g-zip compression on your hosting.
In your .htaccess file, add the following :
You can confirm the same by checking in Gtmetrix(http://gtmetrix.com) which is an amazing tool to check the website performance.
If the above code doesn’t work, try the following :
Hope this helps!