SetOutputFilter DEFLATE
SetInputFilter DEFLATE
#the two above compress everything unless excluded below
SetEnvIfNoCase Request_URI \.(?:gif|jpe?g|png)$ no-gzip dont-vary
SetEnvIfNoCase Request_URI \.(?:exe|t?gz|zip|bz2|sit|rar)$ no-gzip dont-vary
SetEnvIfNoCase Request_URI \.pdf$ no-gzip dont-vary
SetEnvIfNoCase Request_URI \.avi$ no-gzip dont-vary
SetEnvIfNoCase Request_URI \.mov$ no-gzip dont-vary
SetEnvIfNoCase Request_URI \.mp3$ no-gzip dont-vary
SetEnvIfNoCase Request_URI \.mp4$ no-gzip dont-vary
SetEnvIfNoCase Request_URI \.rm$ no-gzip dont-vary
SetEnvIfNoCase Request_URI \.plist$ no-gzip dont-vary
# Below is an example where you get rid of what's above and you explicity compress
AddOutputFilterByType DEFLATE application/x-httpd-php application/x-httpd-fastphp application/x-httpd-eruby text/html
DeflateFilterNote ratio
DeflateCompressionLevel 9