网站开启压缩功能

.htaccess

@@ -7,10 +7,29 @@ RewriteRule .* /pub/$0 [L]
 DirectoryIndex index.php
 DirectoryIndex index.php
 
 
 <IfModule mod_deflate.c>
 <IfModule mod_deflate.c>
+
+############################################
+## enable apache served files compression
+## http://developer.yahoo.com/performance/rules.html#gzip
+
+    # Insert filter on all content
+    ###SetOutputFilter DEFLATE
+    # Insert filter on selected content types only
     AddOutputFilterByType DEFLATE text/html text/plain text/xml text/css text/javascript application/javascript application/x-javascript application/json image/svg+xml
     AddOutputFilterByType DEFLATE text/html text/plain text/xml text/css text/javascript application/javascript application/x-javascript application/json image/svg+xml
+
+    # Netscape 4.x has some problems...
     BrowserMatch ^Mozilla/4 gzip-only-text/html
     BrowserMatch ^Mozilla/4 gzip-only-text/html
+
+    # Netscape 4.06-4.08 have some more problems
     BrowserMatch ^Mozilla/4\.0[678] no-gzip
     BrowserMatch ^Mozilla/4\.0[678] no-gzip
+
+    # MSIE masquerades as Netscape, but it is fine
     BrowserMatch \bMSIE !no-gzip !gzip-only-text/html
     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 \.(?:gif|jpe?g|png)$ no-gzip dont-vary
+
+    # Make sure proxies don't deliver the wrong content
     Header append Vary User-Agent env=!dont-vary
     Header append Vary User-Agent env=!dont-vary
+
 </IfModule>
 </IfModule>