Images
Image alt attributes
Every content image has an alt attribute; decorative images use alt=""
What we check
Every content image has an alt attribute; decorative images use alt=""
Why it matters
Alt text is what a screen reader announces and what image search reads.
How to fix it
Describe each image in under 125 characters, or use an empty alt if decorative.
How it affects your score
This check sits in Images, which is worth 10% of the overall score. A critical result costs the full weight of the check; a warning costs half. If we can't measure it on your page, we leave it out of the score entirely.