Ref: '4 Seconds' to wait, not more
“Four seconds is the maximum length of time an average online shopper will wait for a Web page to load before potentially abandoning a retail site. This is one of several key findings revealed in a report made available today by Akamai Technologies, Inc. (NASDAQ: AKAM), commissioned through JupiterResearch, that examines consumer reaction to a poor online shopping experience. “
Full article here:
http://www.akamai.com/html/about/press/releases/2006/press_110606.html