Amazon: 100 ms of extra load time caused a 1% drop in sales (source: Greg Linden, Amazon).
Google: 500 ms of extra load time caused 20% fewer searches (source: Marrissa Mayer, Google).
Yahoo!: 400 ms of extra load time caused a 5–9% increase in the number of people who clicked “back” before the page even loaded (source: Nicole Sullivan, Yahoo!).
2012年5月30日 星期三
Speed matters a lot!
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