Modifying, I mean uncommenting few lines in your .htaccess file can speed up your magento site a looooot. Find these lines below and just remove # before them.

############################################
## enable apache served files compression
## http://developer.yahoo.com/performance/rules.html#gzip

# 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[678] no-gzip

# MSIE masquerades as Netscape, but it is fine
BrowserMatch \bMSIE !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

# enable resulting html compression
php_flag zlib.output_compression on

This entry was posted on Feb 24 and is filed under Magento. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.