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
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
Measuring HTTP/3 censorship with OONI Probe
19 Jan 2022
Russia started blocking Tor
17 Dec 2021
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
OONI’s submission for the OHCHR report on internet shutdowns and human rights
15 Jun 2022
Job Opening: OONI Community Coordinator
13 May 2022
New Launch: OONI Measurement Aggregation Toolkit (MAT)
12 Apr 2022
Year in Review: OONI in 2021
27 Dec 2021
iThena integration of OONI Probe boosts censorship measurement coverage worldwide
20 Dec 2021
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
