Extending Boomerang

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The document discusses Boomerang, an open source tool for measuring real user performance on websites. It measures load times, bandwidth usage, latency and other metrics. Additional functionality can be added through plugins. The presentation encourages developers to use Boomerang to analyze user behavior, identify performance issues, and continuously improve sites based on real user data. It provides several examples of insights that can be gained, such as how performance varies by country, browser, and internet connection speed.

Technology

Extending Boomerang

Philip Tellis / philip@bluesmoon.info

HTML5 Dev Conf / 2013-04-02

HTML5 Dev Conf / 2013-04-02 Extending Boomerang 1

• Philip Tellis
• @bluesmoon
• philip@bluesmoon.info
• performance / security
• javascript

HTML5 Dev Conf / 2013-04-02 Extending Boomerang 2

I really like to study performance on the web

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0
History

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Jean-Antoine Nollet – 1746

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260 years later. . .

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Measure real user to get the real picture

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Real Users

• Get delighted
• Get frustrated
• Have credit cards
• ... that they are attached to
• Form an impression from experience

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1
boomerang

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Real User Measurement
–
github.com/lognormal/boomerang

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What can we measure?

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Anything that the user does!

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NavTiming – W3C Candidate Recommendation

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Browser Support for NavTiming – April 2013

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Real Users don’t always use ideal browsers

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So there’s a lot of magic to support the other 33.2%

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boomerang

• BSD licensed
• Measure load time, bandwidth, latency
• DNS lookup time, NavTiming, Connection Type
• Page Parameters
• And anything else you can write a plugin for

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And it beacons all of this back to a predeﬁned URL

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boomerang is only a beaconing system, functionality
is added with plugins

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2
Let’s get hacking

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Get the code from github

https://github.com/bluesmoon/boomerang-sample-plugin

• branches are steps
• commit logs are explanations

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3
Fun stuff

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Spot the datacenter

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It’s actually in Nederland

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How does bandwidth change around the world?

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What does a website’s performance distribution look
like?

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That’s my Blog (please visit)

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Log-normal distribution

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Bimodal distribution

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Did you know that IE7 seems to be faster than IE8?

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But that’s mostly IE9 users browsing in IE7
compatibility mode.

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Did you know that users bounce if a page is too
fast?

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But that’s mostly because error pages are the fastest.

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Did you know that user patience wrt performance is
a cultural thing?

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It’s tied both to where a user is from, and also the
type of service.

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User Engagement: LD50

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Summary

Measure → Hypothesize → Test → Fix
← Repeat ←

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Thank You!
Questions?

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Sources

• Jean-Antoine Nollet from Wikimedia Commons
http://commons.wikimedia.org/wiki/File%3AJean-Antoine_Nollet.jpg

• Steve Souders by weboo on ﬂickr
http://www.ﬂickr.com/photos/weboo/2539831515/

HTML5 Dev Conf / 2013-04-02 Extending Boomerang 39

• Philip Tellis
• @bluesmoon
• philip@bluesmoon.info
• www.SOASTA.com
• boomerang
• LogNormal Blog

HTML5 Dev Conf / 2013-04-02 Extending Boomerang 40

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Extending Boomerang

1. Extending Boomerang Philip Tellis / philip@bluesmoon.info HTML5 Dev Conf / 2013-04-02 HTML5 Dev Conf / 2013-04-02 Extending Boomerang 1

2. • Philip Tellis • @bluesmoon • philip@bluesmoon.info • performance / security • javascript HTML5 Dev Conf / 2013-04-02 Extending Boomerang 2

3. I really like to study performance on the web HTML5 Dev Conf / 2013-04-02 Extending Boomerang 3

4. 0 History HTML5 Dev Conf / 2013-04-02 Extending Boomerang 4

5. Jean-Antoine Nollet – 1746 HTML5 Dev Conf / 2013-04-02 Extending Boomerang 5

6. 260 years later. . . HTML5 Dev Conf / 2013-04-02 Extending Boomerang 6

7. Measure real user to get the real picture HTML5 Dev Conf / 2013-04-02 Extending Boomerang 7

8. Real Users • Get delighted • Get frustrated • Have credit cards • ... that they are attached to • Form an impression from experience HTML5 Dev Conf / 2013-04-02 Extending Boomerang 8

9. Real Users • Get delighted • Get frustrated • Have credit cards • ... that they are attached to • Form an impression from experience HTML5 Dev Conf / 2013-04-02 Extending Boomerang 8

10. Real Users • Get delighted • Get frustrated • Have credit cards • ... that they are attached to • Form an impression from experience HTML5 Dev Conf / 2013-04-02 Extending Boomerang 8

11. Real Users • Get delighted • Get frustrated • Have credit cards • ... that they are attached to • Form an impression from experience HTML5 Dev Conf / 2013-04-02 Extending Boomerang 8

12. Real Users • Get delighted • Get frustrated • Have credit cards • ... that they are attached to • Form an impression from experience HTML5 Dev Conf / 2013-04-02 Extending Boomerang 8

13. 1 boomerang HTML5 Dev Conf / 2013-04-02 Extending Boomerang 9

14. Real User Measurement – github.com/lognormal/boomerang HTML5 Dev Conf / 2013-04-02 Extending Boomerang 10

15. What can we measure? HTML5 Dev Conf / 2013-04-02 Extending Boomerang 11

16. Anything that the user does! HTML5 Dev Conf / 2013-04-02 Extending Boomerang 12

17. NavTiming – W3C Candidate Recommendation HTML5 Dev Conf / 2013-04-02 Extending Boomerang 13

18. Browser Support for NavTiming – April 2013 HTML5 Dev Conf / 2013-04-02 Extending Boomerang 14

19. Real Users don’t always use ideal browsers HTML5 Dev Conf / 2013-04-02 Extending Boomerang 15

20. So there’s a lot of magic to support the other 33.2% HTML5 Dev Conf / 2013-04-02 Extending Boomerang 16

21. boomerang • BSD licensed • Measure load time, bandwidth, latency • DNS lookup time, NavTiming, Connection Type • Page Parameters • And anything else you can write a plugin for HTML5 Dev Conf / 2013-04-02 Extending Boomerang 17

22. And it beacons all of this back to a predeﬁned URL HTML5 Dev Conf / 2013-04-02 Extending Boomerang 18

23. boomerang is only a beaconing system, functionality is added with plugins HTML5 Dev Conf / 2013-04-02 Extending Boomerang 19

24. 2 Let’s get hacking HTML5 Dev Conf / 2013-04-02 Extending Boomerang 20

25. Get the code from github https://github.com/bluesmoon/boomerang-sample-plugin • branches are steps • commit logs are explanations HTML5 Dev Conf / 2013-04-02 Extending Boomerang 21

26. 3 Fun stuff HTML5 Dev Conf / 2013-04-02 Extending Boomerang 22

27. Spot the datacenter HTML5 Dev Conf / 2013-04-02 Extending Boomerang 23

28. It’s actually in Nederland HTML5 Dev Conf / 2013-04-02 Extending Boomerang 24

29. How does bandwidth change around the world? HTML5 Dev Conf / 2013-04-02 Extending Boomerang 25

30. What does a website’s performance distribution look like? HTML5 Dev Conf / 2013-04-02 Extending Boomerang 26

31. That’s my Blog (please visit) HTML5 Dev Conf / 2013-04-02 Extending Boomerang 27

32. Log-normal distribution HTML5 Dev Conf / 2013-04-02 Extending Boomerang 28

33. Bimodal distribution HTML5 Dev Conf / 2013-04-02 Extending Boomerang 29

34. Did you know that IE7 seems to be faster than IE8? HTML5 Dev Conf / 2013-04-02 Extending Boomerang 30

35. But that’s mostly IE9 users browsing in IE7 compatibility mode. HTML5 Dev Conf / 2013-04-02 Extending Boomerang 31

36. Did you know that users bounce if a page is too fast? HTML5 Dev Conf / 2013-04-02 Extending Boomerang 32

37. But that’s mostly because error pages are the fastest. HTML5 Dev Conf / 2013-04-02 Extending Boomerang 33

38. Did you know that user patience wrt performance is a cultural thing? HTML5 Dev Conf / 2013-04-02 Extending Boomerang 34

39. It’s tied both to where a user is from, and also the type of service. HTML5 Dev Conf / 2013-04-02 Extending Boomerang 35

40. User Engagement: LD50 HTML5 Dev Conf / 2013-04-02 Extending Boomerang 36

41. Summary Measure → Hypothesize → Test → Fix ← Repeat ← HTML5 Dev Conf / 2013-04-02 Extending Boomerang 37

42. Thank You! Questions? HTML5 Dev Conf / 2013-04-02 Extending Boomerang 38

43. Sources • Jean-Antoine Nollet from Wikimedia Commons http://commons.wikimedia.org/wiki/File%3AJean-Antoine_Nollet.jpg • Steve Souders by weboo on ﬂickr http://www.ﬂickr.com/photos/weboo/2539831515/ HTML5 Dev Conf / 2013-04-02 Extending Boomerang 39

44. • Philip Tellis • @bluesmoon • philip@bluesmoon.info • www.SOASTA.com • boomerang • LogNormal Blog HTML5 Dev Conf / 2013-04-02 Extending Boomerang 40

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