Web servers can support compression of the websites content on server itself. If web servers such as apache is compiled with mod_deflate and configured to compress static files such as html, js, css, images etc your site would load faster.
To test whether your web server is already having compression feature you can use the following link:
https://www.whatsmyip.org/http-compression-test/
If you don’t find the compression support, request your web host for the same.