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 HTTP/3 censorship with OONI Probe
19 Jan 2022
Russia started blocking Tor
17 Dec 2021
A multi-perspective view of Internet censorship in Myanmar
11 Nov 2021
Investigating Internet shutdowns through Mozilla telemetry
8 Nov 2021
How countries attempt to block Signal Private Messenger App around the world
21 Oct 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
Year in Review: OONI in 2021
27 Dec 2021
iThena integration of OONI Probe boosts censorship measurement coverage worldwide
20 Dec 2021
[Event Report] India, Let's Build the List
1 Dec 2021
Why Collaboration and Transparency is Key to Internet Measurement
30 Nov 2021
Job Opening: Mobile Developer for OONI Probe
17 Sep 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
