Global community measuring Internet censorship since 2012
Test the blocking of websites and apps. Measure the speed and performance of your network.
Install OONI Probe
Testing methodologies
Iran blocks social media, app stores and encrypted DNS amid Mahsa Amini protests
25 Sep 2022
Azerbaijan and Armenia block TikTok amid border clashes
16 Sep 2022
Measuring DoT/DoH Blocking Using OONI Probe: A Preliminary Study
17 Jun 2022
A Quick Look at QUIC Censorship
16 Jun 2022
New blocks emerge in Russia amid war in Ukraine: An OONI network measurement analysis
7 Mar 2022
Explore the world's largest open dataset on internet censorship. Millions of measurements collected from more than 200 countries since 2012.
Explore OONI Data
Frequently Asked Questions
OONI Glossary
Join the 10th Ooniversary Events!
24 Nov 2022
Survey: Help shape OONI’s strategic priorities
20 Oct 2022
New online OONI training course launched by Advocacy Assembly
3 Oct 2022
New Test Lists Editor: Contribute websites for censorship testing
29 Jul 2022
OONI’s submission for the OHCHR report on internet shutdowns and human rights
15 Jun 2022
Join us on Slack or IRC to participate in community discussions. Sign-up for the ooni-talk mailing list to receive updates and discuss all things related to the OONI-verse.
All OONI source code is available on GitHub, where we also document issues and future plans.
We also have a growing list of OONI ambassadors through our partnership program.
Current OONI Partners
Contact the OONI team by sending an email to contact@openobservatory.org. Encrypted emails can be sent using the following PGP key:
Key ID: 6B2943F00CB177B7Fingerprint: 4C15 DDA9 96C6 C0CF 48BD 3309 6B29 43F0 0CB1 77B7
