Amazon: 1% revenue increase for every 100ms of improvement
Amazon announced these findings in 2006. A mere five years ago, this was one of the earliest reported studies on the relationship between site speed and revenue.
Click on image to download a high-res version
Source: Amazon - Make Data Useful (2009)
Strangeloop welcomes re-use of this graphic, with appropriate citation. If you use this graphic, we'd be pleased to learn where. Let us know at email@example.com.