In this article, I try to summarize the best practices mentioned by various accessibility experts and their work (like this, this, and this) into a single

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Tooltips provide simple text hints for UI controls and must contain only descriptive text. They should use the `aria-labelledby` or `aria-describedby` attributes for accessibility, depending on their purpose. Tooltips should not include interactive content and must be accessible through hover or focus actions. For touch devices, alternatives like Toggletips or integrating the descriptive text in the design are recommended.

Tooltip Best Practices

<p>Really good article with explanations and examples.</p>
