Apache mod_deflateでコンテンツを圧縮する

SetOutputFilter DEFLATE

数タイプのみ圧縮する場合

AddOutputFilterByType DEFLATE text/html text/plain text/xml

画像以外を圧縮する設定

<Location />
SetOutputFilter DEFLATE
BrowserMatch ^Mozilla/4 gzip-only-text/html
BrowserMatch ^Mozilla/4\.0[678] no-gzip
BrowserMatch \bMSI[E] !no-gzip !gzip-only-text/html
SetEnvIfNoCase Request_URI \.(?:gif|jpe?g|png|zip)$ no-gzip dont-vary
</Location>

DeflateFilterNote Input instream
DeflateFilterNote Output outstream
DeflateFilterNote Ratio ratio
LogFormat '"%r" %{outstream}n/%{instream}n (%{ratio}n%%) %T' deflate
CustomLog /var/log/deflate_log deflate

tail -f /var/log/deflate_log

"GET /img/pixel.gif HTTP/1.1" -/- (-%) 0
"GET /youtube/video/0-ScQrGNDgA/ HTTP/1.1" 4561/15734 (28%) 2
"GET / HTTP/1.1" -/- (-%) 8
"GET /youtube/video/izdvH8q24hM/ HTTP/1.1" 6605/17814 (37%) 2
"GET /youtube/video/AQt0nzByf8s/ HTTP/1.1" 4536/15146 (29%) 2