1 / 16

Website performance

Website performance. Why invest in improving page loading speed. Bing.com/Live.com. Slower site = revenue drop 1 sec = 2.8% 2 sec = 4.3%. Google. Gets worse with time After-effect. Yahoo!. 0.4 seconds slower = 5-9% drop in full-page traffic. AOL. Slower pages get less traffic.

matthew-terry
Télécharger la présentation

Website performance

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Website performance Why invest in improving page loading speed

  2. Bing.com/Live.com Slower site = revenue drop 1 sec = 2.8% 2 sec = 4.3%

  3. Google Gets worse with time After-effect

  4. Yahoo! • 0.4 seconds slower = 5-9% drop in full-page traffic

  5. AOL Slower pages get less traffic

  6. Shopzilla Improving from 6 sec down to 1.2 seconds

  7. Shopzilla • Every little bit counts • Cookie-free components: +0.5% more revenue

  8. Netflix • 43% drop in outbound traffic after enabling compression

  9. Faster site means: • More repeat visits • More page views per visit • Better conversions • More revenue • Increased user satisfaction • Hardware and bandwidth savings • More (sponsored) search engine traffic

  10. Where do we focus?

  11. Example: Ashton Kutcher’s Twitter

  12. First view (empty cache) 10% 90%

  13. Repeat visit (full cache) 38% 62%

  14. Where to focus? • Focus on the front-end • That’s where the time goes • Easier to improve

  15. Thank you!

  16. Credits/URLs • Google, Bing: http://en.oreilly.com/velocity2009/public/schedule/detail/8523 • Shopzilla: http://en.oreilly.com/velocity2009/public/schedule/detail/7709 • Netflix: http://en.oreilly.com/velocity2008/public/schedule/detail/3632 • AOL: http://en.oreilly.com/velocity2009/public/schedule/detail/7579 • Yahoo!: http://www.slideshare.net/stoyan/yslow-20-presentation • Bing graphic: http://www.watchingwebsites.com/archives/proof-that-speeding-up-websites-improves-online-business • Steve Souders: http://stevesouders.com • Stoyan Stefanov: http://phpied.com • Sponsored search and speed: http://adwords.google.com/support/aw/bin/answer.py?hl=en&answer=87144

More Related