Heavy-Tail Distribution in Web Performance Data

In: The Web| Web Performance| WebPerformance.Org

6 Jan 2005

I found a great example of a Heavy-Tailed Frequency distribution in my performance data today.

heavy-tail-data-apr132009

This clearly shows how data in the wild can be distributed in a non-normal fashion. In this case, there is a very heavy weight on the end of the tail, not simply a few straggling outliers.

It has become very unusual to find sites that exihibit this degree of heavy-tailed behaviour  over the last year. When I started in this industry, this was more the norm than the exception.

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About this blog

Stephen Pierzchala is one of a 10-year veteran of the Web performance field who also writes on topics that interest his non-linear world-view.

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stephen@pierzchala.com

+1 (508) 410-3865