Apacheで静的ファイルをgzip圧縮する設定

/etc/httpd/conf.d/gzip.conf

LoadModule filter_module modules/mod_filter.so
DeflateCompressionLevel 5

#IE6 has some problems...
BrowserMatch ^Mozilla/4.0[678] no-gzip
BrowserMatch bMSIEs(7|8) !no-gzip

FilterDeclare Compression CONTENT_SET
FilterProvider Compression DEFLATE Content-Type $text/xml
FilterProvider Compression DEFLATE Content-Type $text/html
FilterProvider Compression DEFLATE Content-Type $text/css
FilterProvider Compression DEFLATE Content-Type $text/javascript
FilterChain Compression

# Don't append Vary heder for specific files
SetEnvIfNoCase Request_URI .(?:gif|jpe?g|png|zip|lzh|exe)$ dont-vary

# Make sure proxies don't deliver the wrong content
Header append Vary User-Agent env=!dont-vary
Header append Vary Accept-Encoding env=!dont-vary