The OONI Probe app consists of many different tests. Click on the cards below to learn how each OONI Probe test works!
- Which websites are blocked?
- Which instant messaging apps are blocked?
- Is Tor blocked?
- Are VPNs blocked?
- What is the speed and performance of my network?
- Are middleboxes present on my network?
Which websites are blocked?
This test checks whether access to websites is blocked by means of DNS tampering, TCP/IP blocking or by a transparent HTTP proxy.
This test compares the DNS query results from a DNS resolver which is considered to be reliable with one that is tested for tampering.
Which instant messaging apps are blocked?
This test is designed to examine the reachability of Facebook Messenger within a tested network.
This test is designed to examine the reachability of Telegram's app and web version within a tested network.
Is Tor blocked?
Meek Fronted Requests
This test examines whether the domains used by Meek (a type of Tor bridge) work in tested networks.
Are VPNs blocked?
What is the speed and performance of my network?
Are middleboxes present on my network?
Http Header Field Manipulation
This test tries to detect the presence of network components (“middle box”) which could be responsible for censorship and/or traffic manipulation.