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
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
Italy blocks Gutenberg book publishing website
10 Sep 2021
No Access: LGBTIQ Website Censorship in Six Countries
31 Aug 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
Job Opening: Mobile Developer for OONI Probe
17 Sep 2021
A brief introduction to OONI
24 Aug 2021
Mining OONI data
OONI Partner Training 2021
7 Jul 2021
Making the OONI Probe Android app more resilient
27 May 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
