A persistent uniform resource locator (PURL) is a URL which describes an intermediate location which, when retrieved, results in redirection to the current location of the final resource. The site contains schema information identifying the use of PURL.
This chart represents Purl web usage trends over a historical time period on a large selection of website homepages queried by BuiltWith. See the FAQ for more information.
We know of 15,010 sites using Purl, download website list.
The usage trends within the top million sites are updated once per week with the last update occurring on 05 Feb 2012.
For more information about Purl visit http://en.wikipedia.org/wiki/Persistent_Uniform_Resource_Locator.
Purl is most likely to be found in use on Business, Technology or Entertainment type websites.
Purl Top Ten Website Industry Distribution in the Top 100,000 Sites
The chart shows the typical type of websites Purl can be found on by distribution. We know of 33
categories that Purl websites can be found on.