主题：Google开发网页的新工具Page Speed -- meokey

比如：

<IfModule mod_expires.c>

ExpiresActive On

ExpiresByType text/html "access plus 2 days"

ExpiresByType image/gif "access plus 60 days"

ExpiresByType image/jpg "access plus 60 days"

ExpiresByType image/png "access plus 60 days"

ExpiresByType application/x-javascript "access plus 60 days"

ExpiresByType text/css "access plus 60 days"

ExpiresByType image/x-icon "access plus 360 days"

</IfModule>链接