Yahoo 14 Front End performance optimization

• 1. Minimize the number of HTTP requests (make fewer HTTP requests)
• 2. Using CDN Acceleration (Use a Content Delivery Network)
• 3. Add Expire/cache-control header (add an Expires header)
• 4. Enable gzip Compression: gzip components
• 5. Place CSS on top of the page (put stylesheets at the top)
• 6. Place script at the bottom of the page (put Scripts at the Bottom)
• 7. Avoid using Expressions (Avoid css Expressions) in CSS
• 8. Put JavaScript and CSS into external files (make JavaScript and CSS External)
• 9. Reduce DNS queries (reduce DNS lookups)
• 10. Compressing JavaScript and CSS (minify JavaScript)
• 11. Avoid redirection (Avoid redirects)
• 12. Remove duplicate scripts (remove Duplicate Scripts)
• 13. Configure the Entity label (ETAGS) (Configure etags)
• 14. Making Ajax Cache (make Ajax cacheable)

Yahoo 14 Front End performance optimization