Best Practices for Speeding Up Your Web Site

  1. Minimize HTTP Requests

  2. Use a Content Delivery Network

  3. Add an Expires or a Cache-Control Header

  4. Gzip Components

  5. Put Stylesheets at the Top

  6. Put Scripts at the Bottom

  7. Avoid CSS Expressions

  8. Make JavaScript and CSS External

  9. Reduce DNS Lookups

  10. Minify JavaScript and CSS

  11. Avoid Redirects

  12. Remove Duplicate Scripts

  13. Configure ETags

  14. Make Ajax Cacheable

  15. Flush the Buffer Early

  16. Use GET for AJAX Requests

  17. Post-load Components

  18. Preload Components

  19. Reduce the Number of DOM Elements

  20. Split Components Across Domains

  21. Minimize the Number of iframes

  22. No 404s

  23. Reduce Cookie Size

  24. Use Cookie-free Domains for Components

  25. Minimize DOM Access

  26. Develop Smart Event Handlers

  27. Choose <link> over @import

  28. Avoid Filters

  29. Optimize Images

  30. Optimize CSS Sprites

  31. Don't Scale Images in HTML

  32. Make favicon.ico Small and Cacheable

  33. Keep Components under 25K

  34. Pack Components into a Multipart Document
See More:

http://developer.yahoo.com/performance/rules.html
http://www.phpv.net/html/1660.html

 

posted @ 2009-01-09 19:19  longware  阅读(43)  评论(0)  编辑  收藏  举报