Quick answer
Images should have an alt attribute.
HTML Missing Alt
Images should have an alt attribute. Missing alt hurts accessibility and validation.
Common causes
- <img> without alt.
- Empty alt for decorative image.
How to fix
- Add alt="description" for meaningful images.
- Use alt="" for decorative images.
FAQ
- Alt required?
- Yes for img.
- Decorative image?
- Use alt="".
Fix it now
Try in validator (prefill this example)