ruby element has partial support Browser Compatibility Check


The ruby element is not supported by some browsers.

Applicable standards

Change history

  • 5.36 Jan 2020 No longer fires for Firefox and Opera. Changed rule ID from BugNonStdRuby to BugHtmlRuby.
  • 5.2 May 2013 Now detects lack of RUBY support in Firefox and Opera.
  • 4.7 Jun 2012 No longer reports RUBY as non-standard, since now standardized in HTML5.
  • 2.0 Dec 2007 Added.

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

Rule ID: BugHtmlRuby