apache启用gzip压缩
#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 no-gzip
# MSIE masquerades as Netscape, but it is fine
# BrowserMatch \bMSIE !no-gzip !gzip-only-text/html
# NOTE: Due to a bug in mod_setenvif up to Apache 2.0.59
# the above regex won’t work. You can use the following
# workaround to get the desired effect:
# BrowserMatch \bMSIE !no-gzip !gzip-only-text/html force-gzip
BrowserMatch \bMSIE !no-gzip !gzip-only-text/html
# Don’t compress images and other
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|doc)$ no-gzip dont-vary
AddOutputFilterByType DEFLATE text/html text/plain text/xml text/css
AddOutputFilterByType DEFLATE application/x-javascript
# Make sure proxies don’t deliver the wrong content
Header append Vary User-Agent env=!dont-vary
#DeflateFilterNote ratio ratio_info
#LogFormat '"%v %h %l %u %t “%r" %>s %b "%{Referer}i" "%{User-Agent}i"" (%{ratio}n)' deflate
#CustomLog logs/deflate_log deflate
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