apache mod_expires mod_deflate

        SetOutputFilter DEFLATE
        AddOutputFilter DEFLATE xml php js css
        BrowserMatch ^Mozilla/4 gzip-only-text/html
        BrowserMatch ^Mozilla/4\.0[678] no-gzip
        BrowserMatch \bMSIE !no-gzip !gzip-only-text/html
        # Don't compress images
        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 \
        \.(css|js)$ no-gzip dont-vary
        # Make sure proxies don't deliver the wrong content
        Header append Vary User-Agent env=!dont-vary
        DeflateFilterNote Input input_info
        DeflateFilterNote Output output_info
        DeflateFilterNote Ratio ratio_info
        LogFormat '"%r" %{output_info}n/%{input_info}n (%{ratio_info}n%%)' deflate
        CustomLog logs/deflate_log.log deflate

ExpiresActive On
ExpiresDefault "access plus 4 hours"
ExpiresByType application/javascript "access plus 1 week"
ExpiresByType application/x-javascript "access plus 1 week"
ExpiresByType text/javascript "access plus 1 week"
ExpiresByType text/css "access plus 1 day"
ExpiresByType text/html A900
ExpiresByType text/xml A14400
ExpiresByType text/plain "access plus 1 hours"
ExpiresByType image/gif "access plus 1 day"
ExpiresByType image/jpg "access plus 1 day"
ExpiresByType image/jpeg "access plus 1 day"
ExpiresByType image/png "access plus 1 day"
ExpiresByType image/bmp "access plus 1 day"
ExpiresByType application/x-shockwave-flash A3600