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The performance business pitch / Stoyan's phpied.com
Bing.com
                    0
                 -1.00
Percent change




                 -2.00
                 -3.00
   ...
Google
Slowing down search
• Search/user decrease by 0.44%
• Dropped to 0.74% after six weeks
• User did 0.21% fewer searc...
Yahoo!
AOL
                                   Average Page Views per Visit
9
8
7
6
6
5
4
3
2
 10th        20th         30th      ...
Shopzilla
Performance Summary
•   Conversion Rate                +7% - 12%
•   Page View’s                    +25%
•   US ...
Shopzilla
•
•
Netflix
10%   90%
38%   62%
Thanks!
URLs
Google,
Bing:
h-p://en.oreilly.com/velocity2009/public/schedule/detail/8523


Shopzilla:
h-p://en.oreilly.com/velocit...
Credits
h-p://www.flickr.com/photos/erokcom/2255972175/
h-p://www.flickr.com/photos/erokcom/2255977349/
h-p://www.flickr.com/...
ビジネスにおけるウェブパフォーマンス
ビジネスにおけるウェブパフォーマンス
ビジネスにおけるウェブパフォーマンス
ビジネスにおけるウェブパフォーマンス
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ビジネスにおけるウェブパフォーマンス

なぜ、ページ読み込み速度改善に投資しなければならないのか。

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ビジネスにおけるウェブパフォーマンス

  1. 1. The performance business pitch / Stoyan's phpied.com
  2. 2. Bing.com 0 -1.00 Percent change -2.00 -3.00 -4.00 -5.00 50 200 500 1000 2000 Added delay Queries per Visitor Query refinement Source: Microsoft Bing data from Velocity’09 Revenue per visitor Any clicks Satisfaction
  3. 3. Google Slowing down search • Search/user decrease by 0.44% • Dropped to 0.74% after six weeks • User did 0.21% fewer searches, even after we stopped injecting the delay • •
  4. 4. Yahoo!
  5. 5. AOL Average Page Views per Visit 9 8 7 6 6 5 4 3 2 10th 20th 30th 40th 50th 60th 70th 80th 90th 100th Visit Load Time Percentile* *10th is fastest 10% of the visit sample, 100th is slowest 10%
  6. 6. Shopzilla Performance Summary • Conversion Rate +7% - 12% • Page View’s +25% • US SEM Sessions +8% • Bizrate.co.uk SEM Sessions +120% • Infrastructure Required (US) -50% (202 vs 402 nodes) • Availability 99.71% → 99.94% • Product Velocity +225% • Release Cost $1,000’s → $80
  7. 7. Shopzilla • •
  8. 8. Netflix
  9. 9. 10% 90%
  10. 10. 38% 62%
  11. 11. Thanks!
  12. 12. URLs Google,
Bing:
h-p://en.oreilly.com/velocity2009/public/schedule/detail/8523

 Shopzilla:
h-p://en.oreilly.com/velocity2009/public/schedule/detail/7709 NeFlix:
h-p://en.oreilly.com/velocity2008/public/schedule/detail/3632 AOL:
h-p://en.oreilly.com/velocity2009/public/schedule/detail/7579
 Yahoo!:
h-p://www.slideshare.net/stoyan/yslow‐20‐presentaPon
 Bing
graphic:
h-p://www.watchingwebsites.com/..improves‐online‐business
 Steve
Souders:
h-p://stevesouders.com Stoyan
Stefanov:
h-p://phpied.com
 Sponsored
search
and
speed:
h-p://adwords....answer.py?hl=en&answer=87144


  13. 13. Credits h-p://www.flickr.com/photos/erokcom/2255972175/ h-p://www.flickr.com/photos/erokcom/2255977349/ h-p://www.flickr.com/photos/erokcom/2256780178/ h-p://www.flickr.com/photos/erokcom/2253521650/ h-p://www.flickr.com/photos/irfan9727/3555580389/

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