After enabling zlib or gzip on your web server you might want to check to make sure that the compression is working successfully. Whatsmyip.org has a handy tool where you can check the status of HTTP compression of any website. You can see the results for MennoSites.ca here
Speed up your website with Zlib
Having your website load as quickly as possible is crucial to make sure that you don’t scare your visitors away and recently even search engines are starting to rank your site based on its load time.
One way in which you can decrease the load time on your website is to enable zlib or gzip on your server.
If you have access to your php.ini you can enable zlib for all the pages/sites running on your server by changing the following values in your php.ini file to look like this: