Unknown HTML element Web Standard

Description

Unknown element.

Help

This happens when the version of HTML used on this page doesn’t support an element with this name. This can happen if the element is misspelled, is uppercase or mixed case in XHTML, or isn’t supported by some HTML versions. For example, HTML 4 DOCTYPEs don’t allow HTML 5 elements and strict DOCTYPEs don’t allow stylistic elements and frames which were present in earlier versions of HTML.

Applicable standards

• HTML Validation

Change history

• 1.0 Feb 2007 Added.

This page describes a web site issue detected in HTML documents by SortSite Desktop and OnDemand Suite.

Rule ID: W3cHtml76-BaseRule