What does this mean?

Forms should always contain a submit button, otherwise some people using accessible technologies may not be able to submit the form.

Submit buttons are <input> elements with a type attribute of submit or image, or <button> elements with type submit. See Technique H32.

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HTML Found on page Issues
<form class="form form--search constrain form--search-home" method="post" role="search">...</form> 2
2 distinct issues were found in the sample of 82 web pages.
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