Measure internet censorship
Contribute to the world's largest open dataset on internet censorship
Download OONI Probe
Command line
Linux & macOS
What OONI Probe measures
Discover which websites are blocked
Run OONI Probe to check which websites are blocked in your country.
Learn how fast your network is
Measure the speed and performance of your network with the NDT test, developed in collaboration with M-Lab.
Check which apps are blocked
Test WhatsApp, Facebook Messenger, and Telegram to check if they are blocked. Run OONI Probe to check if circumvention tools work on your network.
