:heading selector has partial support Browser Compatibility Check

Description

The :heading CSS pseudo class is not supported by all browsers.

Help

Browsers that don’t support :heading ignore the whole style rule, including any other selectors in the same selector list.

Applicable standards

• Android
• Chrome
• Edge
• Firefox
• Opera
• Safari
• iPhone/iPad

Change history

• 2026.62 Oct 2026 Added.

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

Rule ID: BugCssSelectorHeading