HTML Checking for Large Sites
Rocket Validator integrates the W3C Validator HTML checker into an automated web crawler.
HTML issues tagged as submit.
The “button” role is unnecessary for element “input” whose type is “submit”.
The button role is used to make an element appear as a button control to a screen reader and can be applied to otherwise non-interactive elements like <div>. If you’re already using an <input> element whose type is submit, then it’s redundant to apply it the role button, as that’s implicit.
<!-- Instead of this --> <input type="submit" role="button">Buy</button> <!-- Do this --> <input type="submit">Buy</button>
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