produke's Journal: Top methods for faster, speedier web sites

Top Methods for Faster, Speedier Web Sites

1. Make fewer HTTP requests
   Reducing 304's with Cache-Control Headers
2. Use a CDN
3. Add an Expires header
   Caching with mod_expires on Apache
4. Gzip components
5. Put CSS at the top
6. Move JS to the bottom
7. Avoid CSS expressions
8. Make JS and CSS external
9. Reduce DNS lookups
   Use Static IP address, use a subdomain for static content.
10. Minify JS
    Refactor the code, compress with dojo
11. Avoid redirects
    Use internal redirection with mod_rewrite, The correct way to redirect with 301
12. Remove duplicate scripts
13. Turn off ETags
    In htaccess, FileETag None Header unset ETag
14. Make AJAX cacheable and small

One more thing

[Qzukk]

Include only the JS needed for the page.

If most of the site has no interactive content, then those pages don't need you to include the entire ajax library if you're not going to use it. Ditto for rollover functions when nothing on the page has rollovers and so on.