1. Fast is a Feature

2. 11 mentions of speed in Apple iPhone 6 keynote

8. What does this mean for mobile journalism?

9. You have less than 10 seconds “A 10-second delay will often make users leave a site immediately.” - Jakob Nielsen

10. On mobile you have 1 second “Our research says page load times above one second interrupt user flow of thought.” - Google

11. Put something on the screen in 1 second

12. 1000 ms - 200 ms of 3G network latency - 200 ms of domain name lookup - 200 ms of HTTP request loop 400 ms

13. You really only have 400 milliseconds

14. Average site load on mobile is 7 seconds

15. Text Images Video Interactives Context Ads 3rd party buttons (social) ‘Read more’ Comments

16. Easy, just build a native app

17. native apps are fast but hard to find

18. Search 20% of Google searches are on mobile Google tracks page load time and uses it as a signal

19. Social Is Mobile is Social In-App Browsers

20. Facebook thinks your pages are too slow… and they’ll be happy to host your content!

21. Making data-informed trade-offs (building products)

22. How fast is Vox Media on mobile? Never fast enough

23. 15 seconds first load 9 seconds repeat load -webpagetest.org

24. 5 seconds first load 1 second repeat load -webpagetest.org

25. Performance Dashboard Make speed a company-wide metric like unique visitors

27. Inline Performance Metrics Measure. Optimize. Test.

29. Dedicated performance team: 3 engineers

30. Fast Cars Need Good Drivers Speed isn’t just about technology, it’s about being quick to deliver the news

31. Thanks! Trei Brundrett Chief Product Officer Vox Media @clockwerks