Is there a command line command that can tell whether or not mod deflate is running on Apache?
The mod_deflate module provides the DEFLATE output filter that allows output from your server to be compressed before being sent to the client over the network.
Some of that data – such as javascript files, css files, and php files – can actually be compressed into smaller sizes before they are delivered back to the visiting client or browser at the smaller size. The visitor can now have a more optimized browsing experience. This is where mod_deflate comes in.
It is probably to late, but here we go.
mod_deflate is enabled per default. To be sure, try
debian / ubuntu: apache2ctl -t -D DUMP_MODULES
CentOS: httpd -t -D DUMP_MODULES
and look if there is a deflate_module.
You can verify mod_deflate with this site:
mod_deflate test
My site gets a nice little report that shows I'm saving 81% of my bandwidth!
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