很奇怪，.htaccess代码正在使用CentOS＆amp; Apache 2.2，但我们已经迁移到Ubuntu和Apache 2.4，压缩停止工作。
但是查看Google PageSpeed Insights，说压缩无效。
这是我们的.htaccess代码
# Deflate Compression by FileType
<IfModule mod_deflate.c>
Addtype font/opentype .otf
Addtype font/truetype .ttf
AddType application/vnd.ms-fontobject .eot
AddType application/x-font-woff .woff
AddOutputFilterByType DEFLATE font/opentype
AddOutputFilterByType DEFLATE font/truetype
AddOutputFilterByType DEFLATE text/plain
AddOutputFilterByType DEFLATE text/html
AddOutputFilterByType DEFLATE text/xml
AddOutputFilterByType DEFLATE text/css
AddOutputFilterByType DEFLATE text/javascript
AddOutputFilterByType DEFLATE application/xml
AddOutputFilterByType DEFLATE application/xhtml+xml
AddOutputFilterByType DEFLATE application/rss+xml
AddOutputFilterByType DEFLATE application/atom_xml
AddOutputFilterByType DEFLATE application/javascript
AddOutputFilterByType DEFLATE application/x-javascript
AddOutputFilterByType DEFLATE application/x-shockwave-flash
</IfModule>
# Deflate Compression by MimeType</span>
<IfModule mod_deflate.c>
<FilesMatch ".(js|jpg|jpeg|gif|png|css|txt|html|ttf|otf)$”>
ExpiresActive on
ExpiresDefault "access plus 1 month"
SetOutputFilter DEFLATE
</FilesMatch>
</IfModule>
<IfModule mod_gzip.c>
mod_gzip_on Yes
mod_gzip_dechunk Yes
mod_gzip_item_include file .(html?|txt|css|js|php|pl|ttf|otf)$
mod_gzip_item_include handler ^cgi-script$
mod_gzip_item_include mime ^text/.*
mod_gzip_item_include mime ^font/.*
mod_gzip_item_include mime ^application/x-javascript.*
mod_gzip_item_exclude mime ^image/.*
mod_gzip_item_exclude rspheader ^Content-Encoding:.*gzip.*
</IfModule>