Are they located in different places for different Operating Systems (if so, I am running Debian).
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I put the following in my httpd.conf and it seems to work:
# 20100709 added etag code FileETag MTime Size # 20100709 added compression START # Insert filter SetOutputFilter DEFLATE # Netscape 4.x has some problems... BrowserMatch ^Mozilla/4 gzip-only-text/html # Netscape 4.06-4.08 have some more problems BrowserMatch ^Mozilla/4\.0 no-gzip # MSIE masquerades as Netscape, but it is fine # BrowserMatch \bMSIE !no-gzip !gzip-only-text/html # NOTE: Due to a bug in mod_setenvif up to Apache 2.0.48 # the above regex won't work. You can use the following # workaround to get the desired effect: BrowserMatch \bMSI[E] !no-gzip !gzip-only-text/html # Don't compress images SetEnvIfNoCase Request_URI \ \.(?:gif|jpe?g|png)$ no-gzip dont-vary # Make sure proxies don't deliver the wrong content Header append Vary User-Agent env=!dont-vary # 20100709 added compression END
This website has a great tester for seeing if your page is GZIP'd: http://www.whatsmyip.org/http_compression/
RedBot, successor to the Cacheability Engine, does a really great job of testing a page and contents for several performance and cacheability metrics in a simple, easy-to-read grid format.