Best Practices for Speeding Up Your Web Site

[mandy]

34 best practices for speeding up your website:

Content:

  1. Make Fewer HTTP Requests
  2. Reduce DNS Lookups
  3. Avoid Redirects
  4. Make Ajax Cacheable
  5. Post-load Components
  6. Preload Components
  7. Reduce the Number of DOM Elements
  8. Split Components Across Domains
  9. Minimize the Number of iframes
  10. No 404s

Server:

  1. Use a Content Delivery Network
  2. Add an Expires or a Cache-Control Header
  3. Gzip Components
  4. Configure ETags
  5. Flush the Buffer Early
  6. Use GET for AJAX Requests

CSS:

  1. Put Stylesheets at the Top
  2. Avoid CSS Expressions
  3. Make JavaScript and CSS External
  4. Minify JavaScript and CSS
  5. Choose over @import
  6. Avoid Filters

full article: http://developer.yahoo.com/performance/rules.html