Yahoo! releases new performance best practices
Date : 2008 03 21 Category : Tech & Development
AjaxianStoyan Stefanov has been working with the Yahoo! engineers to find more best practices, and presented on a new batch:
He covers the existing 14 rules, plus 20 new rules for faster web pages. We’ve categorized the optimizations into: server, content, cookie, JavaScript, CSS, images, and mobile.
Here are the new items, with details on them coming soon:
1. Flush the buffer early [server] 2. Use GET for AJAX requests [server] 3. Post-load components [content] 4. Preload components [content] 5. Reduce the number of DOM elements [content] 6. Split components across domains [content] 7. Minimize the number of iframes [content] 8. No 404s [content] 9. Reduce cookie size [cookie] 10. Use cookie-free domains for components [cookie] 11. Minimize DOM access [javascript] 12. Develop smart event handlers [javascript] 13. Choose <link> over @import [css] 14. Avoid filters [css] 15. Optimize images [images] 16. Optimize CSS sprites [images] 17. Don't scale images in HTML [images] 18. Make favicon.ico small and cacheable [images] 19. Keep components under 25K [mobile] 20. Pack components into a multipart document [mobile]Is it just me, or is performance getting a LOT of attention these days?