Weitere Ă€hnliche Inhalte Ăhnlich wie 37 Lessons I've Learned on the Performance Front Lines [WebPerfDays 2012] (20) KĂŒrzlich hochgeladen (20) 37 Lessons I've Learned on the Performance Front Lines [WebPerfDays 2012]6. This convergence of awareness,
even urgency, on the business side
and growing expertise in the tech
community around web performance
marks the beginning of a new industry
that Iâm calling âWPOâ â Web
Performance Optimization.
Steve Souders, May 2010
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8. Way back in 2009...
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12. Our earliest mobile findings
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14. IE9 will not make pages faster by default
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15. CDN doesnât always = faster
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16. Using Google Analytics as a proxy
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18. 97% of mobile response time is at the front end
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19. Big players are as guilty as the rest of us
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22. 1 out 4 top sites donât use cache headers
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24. âMobile rageâ
Not our
study,
but still
interesting
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25. Latency over 3G varies hugely
Even when tested from the same location at the same time
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26. 35% of mobile visitors prefer the full site
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28. Impact of delays on m-commerce metrics
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29. Mobile: Impact of delay on bounce rate
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30. Mobile: Impact of delays on return traffic
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31. Average page views across browsers
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32. Average time on site across browsers
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33. Average bounce rate across browsers
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35. Site speed and primary success?
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37. Desktop latency ranges from 65-145ms
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38. Mobile latency ranges from 90-190ms
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39. Average web page is now 1 MB
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40. Average web page is now 1 MB
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42. Page size correlates to mobile load time
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43. How does browser use vary through the day?
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44. How does browser use vary over a week?
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47. Steveâs rules still apply
http://www.webperformancetoday.com/2012/05/29/browser-
innovation-14-web-performance-rules-faster-loading-websites/
http://www.webperformancetoday.com/2012/09/13/browser-
innovation-performance-rules-faster-loading-websites-2/
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49. Ecommerce State of the Union (Fall 2012)
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53. iPad 2 versus Galaxy Tablet
iPad 2 Galaxy Tablet
Platform iOS 5.1 Android 4.04
Browser Safari Android Browser
Processor 1 GHz Apple A5 1 GHz ARM
Display 9.5 inch 10.1-inch
512 MB DDR2 (1066 Mbit/s
Memory RAM) 1GB RAM
Cellular Radio 3G 3G
Class 12 (4+1/3+2/2+3/1+4
GPRS YES slots), 32 - 48 kbps
EDGE YES Class 12
HSDPA, 14.4 Mbps; HSDPA, 21 Mbps; HSUPA,
Speed HSUPA, 2 Mbps 5.76 Mbps
55. iPhone 4 versus Galaxy S
iPhone 4 Galaxy S
Platform iOS 4.1 Android 2.3.6
Browser Safari Android Browser
Processor 1GHz Apple A4 1GHz ARM
Display 3.5- inch 4-inch
Memory 512 MB eDRAM 512 MB RAM
Cellular Radio 3G 3G
Class 10 (4+1/3+2 slots), 32 - Class 12 (4+1/3+2/2+3/1+4
GPRS 48 kbps slots), 32 - 48 kbps
EDGE Class 10, 236.8 kbps Class 12
HSDPA, 7.2 Mbps; HSDPA, 7.2 Mbps; HSUPA,
Speed HSUPA, 5.76 Mbps 5.76 Mbps
56. iPhone 4 vs Galaxy S (3G)
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57. iPhone 4 vs Galaxy S (3G)
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58. 3G compared to desktop
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59. iPhone 5 versus Galaxy S3
iPhone 5 Galaxy S3
Platform iOS 6 Android 4.0.4
Browser Safari Android Browser
Processor 1.3GHz Apple A6 1.4 GHz quad-core ARM
Display 4-inch 4.8-inch
Memory 1G eDRAM 1GB RAM
Cellular Radio 3G/LTE 3G, 4G
Class 12 (4+1/3+2/2+3/1+4 slots),
GPRS YES 32 - 48 kbps
EDGE YES Class 12
DC-HSDPA, 42 Mbps; HSDPA, 21 Mbps;
HSUPA, 5.76 Mbps, LTE, 100 Mbps; HSDPA, 21 Mbps; HSUPA,
Speed Rev. A, up to 3.1 Mbps 5.76 Mbps
60. iPhone 5 vs Galaxy S3 (LTE)
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61. LTE compared to desktop
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65. © 2012 Strangeloop Networks
2011 Strangeloop. Faster Websites. Automatically.
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