There are less verbose, binary formats for storing XML information models -- like Fast Infoset [1], and formats listed on Wikipedia under 'Binary XML' [2]. HTML

There are less verbose, binary formats for storing XML information models -- like Fast Infoset [1], and formats listed on Wikipedia under 'Binary XML' [2]. HTML5 can optionally be written in a mostly-XML-conforming syntax [3]. [1] https://en.wikipedia.org/wiki/Fast_Infoset https://en.wikipedia.org/wiki/Fast_Infoset [2] https://en.wikipedia.org/wiki/Binary_XML https://en.wikipedia.org/wiki/Binary_XML [3] https://html.spec.whatwg.org/#xhtml https://html.spec.whatwg.org/#xhtml