Free tool

Ad block test

Can this device reach the servers behind the big mobile ad networks and trackers right now? The test tries to contact each host from your browser and reports whether the connection got through. It works with any ad blocker, DNS filter, VPN or router setting, not only ours.

Nothing is sent to us: the checks run in your browser.

Hosts checked

What this measures

For each host the page asks your browser to open a connection and waits a few seconds. Blocked means the connection did not get through: typically a DNS filter answered with an empty address, a content blocker stopped the request, or a firewall dropped it. Reached means your device contacted the host; what the host answered does not matter.

A host that is offline, or one your browser refuses for its own reasons, also shows as blocked. The two control hosts at the bottom check that you are online at all.
In Safari, a Safari content blocker affects this page but not your other apps. A DNS filter such as AdBlock Pro Max affects both, so running this test in Safari with the filter on is a fair preview of what your games will see.
Results describe this device on this network right now. Switch between Wi-Fi and cellular, or pause your blocker, and run it again to compare.

Want these hosts blocked inside your games and apps, not only on the web? AdBlock Pro Max does that on your iPhone or iPad, with no servers and nothing leaving your device.