The DOCTYPE is a required preamble for HTML5 websites.
This chart represents HTML5 DocType 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 2,831,797 sites using HTML5 DocType, download website list.
The usage trends within the top million sites are updated once per week with the last update occurring on 18 May 2012.
For more information about HTML5 DocType visit http://dev.w3.org/html5/spec/syntax.html#the-doctype.
HTML5 DocType is most likely to be found in use on Business, Technology or Shopping type websites.
HTML5 DocType Top Ten Website Industry Distribution in the Top 100,000 Sites
The chart shows the typical type of websites HTML5 DocType can be found on by distribution. We know of 40
categories that HTML5 DocType websites can be found on.