Presentation by Danwei Tran (Microsoft) for the Disruptive Code conference, Stockholm 2010.

1. Beta
Danwei Tran
Developer Evangelist
@danweitran

5. Double rainbow guy

6. ”The Good, the Bad, the Ugly”

7. www.IEtestdrive.com
7

9. Demo: Pinned Sites

10. The Good

11. Browser Subsystems Rendering
Layout
Block
Building
Formatting
DOM
Marshalling
JavaScript
Collections
CSS
HTML
Networking

12. Average Distribution Across News Sites
HTML parsing
CSS parser
Collections
JavaScript
Marshalling
Native OM
Formatting
BlockBuild
Layout
Rendering

13. Average Distribution Across Top AJAX Sites
HTML parsing
CSS parser
Collections
JavaScript
Marshalling
Native OM
Formatting
BlockBuild
Layout
Rendering

14. New JavaScript Engine – “Chakra”
Foreground
Source
Parser AST ByteCode Interpreter
Code
Background Native
Background Compiler Code

15. WebKit SunSpider JavaScript Benchmark Results
Version 0.9.1, Results Generated September 4th, 2010
4000
3500
3000
2500
2000
1500
1000
500
0
PAGE 15

16. Using The Full Power of Your PC

17. Everyone has a GPU

18. Demo: Flying images

19. The Bad

20. We HTML5
and other modern standards

21. Member of many
W3C Working Groups

22. Web API usage
7000 top sites
7000
Number of sites
0
1 50 API (by rank) 700
API Rank Percent of Sites
indexOf 1 94%
getElementById 13 80%
addEventListener 27 65%
getComputedStyle 62 26%

24. “The real point here is that the Acid3 test
isn't a broad-spectrum standards-support
test. […] Which is a shame, because
what's really needed right now is
exhaustive test suites for specifications”
- Eric Meyer
http://meyerweb.com/eric/thoughts/2008/03/27/acid-redux/

25. Leading the W3C HTML5
Testing Task Force

26. Demo: Defining same mark-up

27. The Ugly

28. ?
The Ugly

29. Demo: Developer Tools

30. www.BeautyOfTheWeb.com

31. Danwei Tran
danwei.tran@microsoft.com
@danweitran