Priority: Critical Significant Page: Apple iPad Air 11 2025 Observation Permalink
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Observation Details

The HTML image element must always use have alt attribute present. Either

  • null alt attribute for purely decorative or

  • non-null alt attribute for informative/functional images.

Image elements missing alt attribute:

  • Full SEO content

Remediation Notes

Informative images must have proper text alternatives. No text content should be presented as an image. If done so, purpose equivalent text alternatives must be present. This means, all text content, conveyed visually via images must be accessible in text.


Ensure, all HTML image elements properly set the alt attribute. Depending on the purpose of the image, choose whether to declare an image decorative, informative, or functional. For more guidance in choosing, refer to the W3C Alt-decision tree.

If the image is

  • purely decorative, set a null alt attribute as follows: <img alt="" />

  • not purely decorative, the alt attribute must not be null