Yahoo! recently released an amazing tool called “YSlow”. It helps analyze the pages you’ve built and find problem points and bottlenecks. As bradleyboy said, there is nothing quite like working to fix that letter grade.
Some good quick tips in these two little readings already adding
ExpiresActive On ExpiresByType image/gif "access plus 1 month" ExpiresByType image/png "access plus 1 month" ExpiresByType image/jpg "access plus 1 month" ExpiresByType image/jpeg "access plus 1 month" ExpiresByType text/css "access plus 6 months"
(Via Walker Hamilton(dot)com.)