Measure internet censorship. Contribute to the largest open dataset

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Measure internet censorshipContribute to the world's largest open dataset on internet censorshipDownload OONI ProbeCommand lineLinux & macOSWhat OONI Probe measuresDiscover which websites are blockedRun OONI Probe to check which websites are blocked in your country. Learn how fast your network isMeasure the speed and performance of your network with the NDT test, developed M-Lab. Check which apps are blockedTest WhatsApp, Facebook Messenger, and Telegram to check if they are blocked. Run OONI Probe to check if circumvention tools work on your network.

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