How to make your website blazing fast

  • Published on
    15-Dec-2014

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  • 1. How to make your
    website blazing fast
    @joshfraser
  • 2. Slow websites suck
  • 3. 40% of people will abandon a site that take more than 3 seconds to load
  • 4. Slow websites lose money
  • 5. Amazon loses 1% of sales
    for every 100ms of latency
  • 6. Google loses 20% of their traffic for every 500ms of latency
  • 7. Google penalizes the PageRank of slow websites
  • 8. 80-90% of performance is front-end
  • 9. Yahoo increased their traffic by 9% with a 400ms speed improvement
  • 10. Shopzilla reduced their load time from 7 seconds to 2. Traffic increased 25% and revenue increased 12%
  • 11. Waterfall view of 500startups.com
  • 12. Time
  • 13. 17% back-end
    83% front-end
  • 14. Onload
    DOM ready
    Finished
  • 15. Initial connection
    Time to 1st Byte
    Content download
    DNS lookup
  • 16. Recognize this?
  • 17. 3 guidelines
    • Make things smaller
    • 18. Move them closer
    • 19. Load them smarter