High Performance Webpages

Die interessanten Folien des Vortrages High Performance Webpages auf der web2.0 Expo gibt es nun zum download (ppt 5.4mb)

80-90% of the end-user response time is spent on the front-end. Start there.

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  1. Make fewer HTTP requests
  2. Add an Expires header
  3. Gzip components
  4. Put CSS at the top
  5. Move JS to the bottom
  6. Avoid CSS expressions
  7. Make JS and CSS external
  8. Reduce DNS lookups
  9. Minify JS
  10. Avoid redirects
  11. Remove duplicate scripts
  12. Make AJAX cacheable and small

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