Compress site using mod_deflate to reduce bandwidth and loading time, also Google Speed suggests it. List of compressible mime-types to compress. You should not compress mime types that compress badly. Compressing images would not result in a lot of gain, but will use a lot of cpu. You can copy this snippet to .htaccess. This only work when you have mod_deflate enabled in Apache. You can use this code in Apache configuration or .htaccess to make this work globally. You can test your site via whatsmyip.org/http-compression-test.
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