Performance Web

La performance paie

• Amazon : +100ms → baisse 1% des ventes (cf. “Make Data Useful”, Greg Linden)
• Bing : +1s → -2.8% du CA (cf. Velocity 09)
• Google Search: +0.4s → -0.76% de recherches (http://assets.en.oreilly.com/1/event/29/Keynote%20Presentation%202.pdf)

Plus de bande passante ne change pas grand chose:

• http://www.belshe.com/2010/05/24/more-bandwidth-doesnt-matter-much/
• http://docs.google.com/a/chromium.org/viewer?a=v&pid=sites&srcid=Y2hyb21pdW0ub3JnfGRldnxneDoxMzcyOWI1N2I4YzI3NzE2

Les pages sont de plus en plus grosses:

• http://www.websiteoptimization.com/speed/tweak/average-web-page/