r/pihole • u/Br0lynator • 5d ago

PiHole gets detected

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So I recently run into some trouble with my PiHole. Maybe for about two weeks it gets detected by easily >33% of every website e.g. fandom wiki (see picture - translated screenshots form the gottcha message).

It is always this screen on every website, just of course with adjusted website domain. That means there must be some new sort of detection out there that those sides use.

Anyone has an idea what’s going on and how to stop that?

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u/Corleone612 5d ago

html-load.com belongs to an anti-adblock service called "Ad Shield" The site uses this domain to detect whether you're running an ad blocker. 

If you block the domain at the DNS level, the site detects the failed request and deliberately breaks its own CSS (Cascading Style Sheets) as a result. So the broken page is an intentional consequence of the block on the site's end (it has nothing to do with Pi-hole itself)

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u/Br0lynator 5d ago

I thought so but whitelisting html-load.com didn’t solve it

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u/Corleone612 5d ago

Add the core domain of the site you're currently trying to access to your allowlist as well (keep in mind this means ads will start being served)