Network (CDN) 3. Add Expires or Cache-Control Header 4. Gzip Components 5. Put Stylesheets at Top 6. Put Scripts at 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 Best Practices for Speeding Up Your Web Site by Yahoo! Developer Network
at Top 6. Put Scripts at Bottom 7. Avoid CSS Expressions 8. Make JavaScript and CSS External ------------------------------- 9. Reduce DNS Lookups 12. Remove Duplicate Scripts
at Top 6. Put Scripts at Bottom 7. Avoid CSS Expressions 8. Make JavaScript and CSS External ------------------------------- 9. Reduce DNS Lookups 12. Remove Duplicate Scripts
connection. Elapsed time spent in a browser queue waiting for a network connection. Time needed to send request data to the server. Waiting for the response (till the first byte is received from the server). Time necessary to download response body. DNS Lookup: Connecting: Blocking: Sending: Waiting: Receiving: