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<h1>Which of the following would you consider to be a <a href="https://www.w3.org/TR/WCAG21/">WCAG</a> conformance failure?</h1> <hr> <h2>This one?</h2> <pre> <h1>heading level 1</h1> <p>some text</p> <h4>heading level 4</h4> </pre> <h2>Or this one?</h2> <pre> <h5>BIG Heading</h5> <h1>subtitle for BIG heading</h1> </pre> <p>Or perhaps both or neither?</p> <p><b>Bonus Question:</b> If it is a fail, under which Criterion?</p>
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