Image buttons without alternative text

Message shown by axe and Lighthouse: Image buttons must have alternative text · input-image-alt · WCAG 1.1.1, 4.1.2

What it means and why it matters

<input type="image"> buttons need alt text to announce their action (WCAG 1.1.1).

Add an alt attribute that describes the action, e.g. alt="Search".

<input type="image" src="/img/search.png">

<input type="image" src="/img/search.png" alt="Search">

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