Checks / Titles, headings and schema
Images without alt text
Alt text is how assistants read images.
img_alt_missing · Titles, headings and schema · Notice
What to change
Add a short alt to every meaningful image.
Example
HTML to put in the page:
<img src="/img/blue-trail.jpg" alt="Blue trail running shoe, side view">How common it is
We have not measured how common this is on a sample of sites. Counts appear here when a study covers it.
About this check
| Check ID | img_alt_missing |
|---|---|
| Report section | Titles, headings and schema |
| Severity | Notice |
| How it is decided | Measured: read directly from the page or the server's response. |
| Added | Before 19 Oct 2026 (versions 1 and 2), or a site-wide check with no version date yet |
| Status | Measured in every report |
| Report gives the code | Yes, for each affected page |
Related checks
- Missing title
- Missing meta description
- Organization lists no profile outside your own site
- FAQ markup lists questions the page does not show
- Form field without a name
- Missing H1
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