usemap refers to non-existent map Web Standard

Description

The hash-name reference in attribute usemap refers to a non-existent map element.

Help

Browsers also match usemap against id, but a valid reference must match the map element’s name attribute.

Applicable standards

• HTML

Change history

• 5.26 Jul 2017 Switched to case-sensitive usemap name comparison to match HTML spec change.
• 5.0 Oct 2012 Added.

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

Rule ID: W3cHtml5UsemapCheck