Yahoo: 400ms faster = 9% more traffic

Yahoo: 400ms faster = 9% more traffic

In 2008, Yahoo! reported that making pages just 400 milliseconds slower resulted in a traffic drop of up to 9%. This was partly due to impatient visitors leaving pages before they finished loading.

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Yahoo: 400ms improvement = 9% more traffic

Source: Yahoo - YSlow 2.0 (2008)

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