Can a site detect if I use AdBlock in Firefox?
Fresh3 days ago
Mar 15, 202613700 viewsConfidence Score0%
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Problem
I recently visited (an official) website in search for an episode of a TV-show. The site popped an information dialog stating that I had to disable AdBlock to see the content. Is this at all possible or is it just an educated guess? Does Firefox advertise what addons I have installed? If so: how an…
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New Fix – Awaiting Verification
Fix for: Can a site detect if I use AdBlock in Firefox?
Low Risk
Yes, a website can detect that Adblock Plus is installed by referencing a Javascript file known to be blocked by Adblock Plus (because it matches a default rule) and check if this Javascript code has run, by checking a variable for instance. See an …
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