[Imps] Percentages of HTML tags with a given number of attributes

Ian Hickson ian at hixie.ch
Fri Jul 6 01:23:15 PDT 2007

On Sun, 10 Jun 2007, Henri Sivonen wrote:
> Has anyone researched what percentage of HTML tags out there has <= 1 
> attributes, <= 2 attributes, etc.? If yes, are the numbers public 
> somewhere?

I have done a study of several billion documents to obtain this 
information for you. You can find the results here:


I took the opportunity to do some studies of tokens and insertion mode 
invocations at the same time, which you can find in the same directory:


Please let me know if you make use of this information.

Ian Hickson               U+1047E                )\._.,--....,'``.    fL
http://ln.hixie.ch/       U+263A                /,   _.. \   _\  ;`._ ,.
Things that are impossible just take longer.   `._.-(,_..'--(,_..'`-.;.'

More information about the Implementors mailing list