Bing and Google Agree: Slow Pages Lose Users - O’Reilly Radar
Google ran a similar experiment for where they tested delays ranging from 50ms - 400ms. The chart above shows the impact that it had on users for the 7 weeks they were in the test. The most interesting thing to note was the continued effect the experiment had on users even after it had ended. Some of the users never recovered — especially those with the greater delay of 400ms. Google tracked the users for an additional 5 weeks (for a total of 12).
