Design HTML for common browsers Usability Guideline
Description
Design web pages for common browsers. This web page uses a version of HTML that few browsers support.
Help
Use the widely supported XHTML 1.0 or HTML 4.01, instead of XHTML 2.0.
Applicable standards
Note: The guidelines.usability.gov website has been down since July 2020, although www.usability.gov is still operating and the PDF version of the guidelines is still available.
Change history
- 5.36 Jan 2020 Removed - HTML 5 parser algorithm handles unknown versions of HTML.
- 1.0 Feb 2007 Added.
This page describes a web site issue detected in HTML documents by SortSite Desktop and OnDemand Suite.
Rule ID: UseGov4.1a