As web engineers, we're always looking at ways to reduce page load time. Then one day your product manager asks for a new feature that is "sure to bring in millions of dollars", but of course you know that it will make the site slower.
Do you have the data you need to decide if this tradeoff is worth it? Will enough users wait for the longer page load to get this new feature?
15. 260 years later, we packaged his methods into a
JavaScript library and started measuring real users
boomerang.js
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16. So let’s look at a very important recent event in world politics
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17. It’s been good for Canada
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18. And there was this...
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19. This game went into overtime
(did anyone mind?)
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20. which web users had a better experience?
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21. Well, overall, Canada probably, but what does the
data say?
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22. US load time v/s CA load time for different periods
Canada: 4.7-5.5-3.9s
USA: 3.9-4.1-3.7s
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23. Score: 0-0
Canada: low tolerance for errors
USA: 50% tolerance for errors
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24. USA scores twice – 0-2
Canada: LD25 == 4.5s
USA: LD25 == 5.7s
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25. Canada comes back – 2-2
Canada: LD25 == 5.5s
USA: LD25 == 4.7s
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26. Sudden Death – 3-2
Canada: LD25 == 5s
USA: LD25 == 3.5s, 84% likely to leave on error
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28. what a user is doing affects how patient they are
One of these is an e-commerce site, the other is a gaming site
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29. We’ve also found that patience is a fairly cultural thing
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30. Is choice of browser part of modern culture?
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32. Happy users are more patient, so keep your users
engaged while they wait
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33. For similar data for your own site, sign up for
mPulse at
http://www.soasta.com/free
or get in touch
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35. • Philip Tellis
• @bluesmoon
• philip@bluesmoon.info
• www.SOASTA.com
• boomerang
• LogNormal Blog
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36. Image Credits
• Waiting
http://www.flickr.com/photos/johnragai/9958782434/
• Waiting for Dad
http://www.flickr.com/photos/soldiersmediacenter/6032825082/
• Soggy in front of the Apple Store
http://www.flickr.com/photos/quinnanya/2657709413/
• Cyclists wait in line @ Starbucks for the bathroom
http://www.flickr.com/photos/bitchcakes/4573033716/
• Streetpong
http://streetpong.info/
• RUM Warehouse
http://www.flickr.com/photos/razmataz/5000536661/
• Jean-Antoine Nollet
http://en.wikipedia.org/wiki/Jean-Antoine_Nollet
• Russia Olympic Rings closing ceremonies Sochi 2014
http://www.flickr.com/photos/ifindkarma/12728433773/
• Beer Fridge
https://twitter.com/Molson_Canadian/status/432553007285145600/photo/1
• Canada-USA
http://www.sochi2014.com/en/ice-hockey-women-s-gold-medal-game-01
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