Measure internet censorship. Contribute to the largest open dataset
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- Contribute to the world's largest open dataset on internet censorship by running OONI Probe.
- Use OONI Probe to check which websites are blocked in your country on Linux and macOS.
- Measure network speed and performance with the NDT test, developed with M-Lab.
- Test WhatsApp, Facebook Messenger, and Telegram to detect if they are blocked.
- Check if circumvention tools work on your network using OONI Probe.
- Test results are automatically published in near real-time, increasing transparency of internet censorship.
- Explore OONI measurements from around the world to see global censorship patterns.