2.5.3 Non-Conformance Shown with Non-Technical Explanation
There is a mismatch between the button text and alt text.
2.5.2 Non-Conformance Shown with Technical Explanation and Markup
<a href="#theend"><img src="bigredbutton.jpg" alt="down"></a>
The mismatch between the button text and alt text is non-conforming. If the alt text matched the button text, it would conform to both Success Criterion 1.1.1 and Success Criterion 2.5.3
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