Free tool · checks 10 known overlay vendors

Is your site wearing an overlay?

Roughly 1 in 5 companies sued for accessibility in 2026 already had an overlay widget installed. Many site owners don't even know their agency added one. Check any domain — yours, or one you're curious about.

checking script signatures…

We check the homepage for the script signatures of 10 known overlay vendors. A clean result here doesn't mean the site is accessible — it means nothing is hiding the problems. Why overlays are a liability →