Akamai and JupiterResearch Identify ‘4 Seconds’ as the New Threshold of Acceptability for Retail Web Page Response Times says the press release. The result is based on a study of 1058 online shoppers. If you are selling online make sure it shows up in less than 4! For a full report fill in the form. Another usefull bit from this release is the insights in "Net Usage Index for Retail" , which clearly shows where the internet shoppers are coming from.