Since 2012, we build free software that you can use to measure Internet censorship.
We also host the largest open dataset on Internet censorship worldwide.
✨ OONI Partner Gathering 2024 in Malaysia 😍
We are excited to share that we hosted a 2-day event that brought our partners from Asia & the Middle East together to exchange skills & knowledge on internet censorship research. ✊🐙
🧵Learn more 👇
🔴 New Report:
#Iran
blocks social media, app stores and encrypted DNS amid
#MahsaAmini
protests
We share OONI data on:
• Blocking of WhatsApp, Instagram, Linkedin, Skype
• Blocking of Google Play Store & Apple App Store
• Blocking of encrypted DNS
OONI measurements suggest potential blocking of in
#Tanzania
:
To test :
1. Install the OONI Probe mobile app:
2. Open this link w/ OONI Probe:
3. Tap "Run"
We're also hearing of potential Telegram blocking in
#Tanzania
(but OONI measurements don't show this so far).
To test some Telegram IPs:
1. Install the OONI Probe mobile app:
2. Open this link w/ OONI Probe:
3. Tap "Run"
🔴 For the first time, we are observing the blocking of
@telegram
in
#Kenya
.
Amid national exams (
#KCSE2023
), OONI data shows intermittent signs of Telegram blocking on several networks. The timings of the blocks correlate with the timing of the exams.
More info below 👇
OONI measurements are also showing that the testing of
@torproject
is consistently failing in
#Tanzania
today.
See:
To test Tor:
1. Install OONI Probe:
2. Run the tests in the "Circumvention" card
China now blocks all language editions of Wikipedia
We found that all *.wikipedia.org language editions are blocked in China by means of DNS injection & SNI filtering.
We share OONI data via our latest report.
#China
#Censorship
#Wikipedia
#KeepitOn
Today is OONI's 8th birthday! 🥳🎂🐙
As of today, 8 years ago, the 1st OONI measurement was collected & published!
Today, 376 million measurements have been published from 21 thousand networks in 239 countries 🌍
...and that's all thanks to our AMAZING COMMUNITY!❤️🥂
#OONIbday
OONI measurements collected today from
#Tanzania
also provide signs of potential blocking of WhatsApp:
To test WhatsApp, run the tests in the "Instant Messaging" card of the OONI Probe apps ().
Please ensure your VPN is turned off.
📢NEW REPORT: DNS over TLS blocked in Iran
To investigate whether DoT works in Iran, we tested 31 well-known DoT endpoints & discovered that 57% are blocked.
Our latest report shares details from our experiments & findings.
#Iran
#censorship
🔴Today OONI data shows that
#Cuba
started blocking WhatsApp, Telegram & Signal amid protests.
Blocking appears to be happening by injecting a TCP RST packet during the TLS handshake.
#CubaSOS
#CubaLibre
Today is OONI's 9th birthday! 🥳🎂🐙
As of today, 9 years ago, the 1st OONI measurement was collected & published!
Today, 544 million measurements have been published from 23 thousand networks in 240 countries 🌍
...and that's all thanks to our AMAZING COMMUNITY!❤️🥂
#OONIbday
Iran’s nation-wide Internet blackout: Measurement data & technical observations 🐙
Our report w/
@caida_ioda
@mrphs
shares open data to quantify the extent of Iran's internet blackout, as it was implemented across networks.
#IranProtests
#iran4internet
We have exciting news! OONI Probe mobile 2.0 is launched! 🎉🐙
Android:
iOS:
Highlights:
• Major UI revamp
• Enhanced website testing
• Overview of test results
#censorship
#KeepItOn
Next Generation OONI Explorer Launched! 🎉🐙🚀✨
Uncover evidence of internet censorship worldwide. 🌍
Open data by the global OONI community. 💙
Learn what's new in OONI Explorer 2.0:
#censorship
#OpenData
AT&T is blocking Tutanota in some US regions. As
@ATT
has not fixed the issue after more than two weeks, we are reaching out publicly in the hope of getting the attention of the right people at AT&T. Read more on our blog:
After more than 2 years, Wikipedia is finally unblocked in Turkey! 🥳
Evidence:
Warm thanks to OONI Probe users in
#Turkey
for documenting this important development! 🐙
#WelcomeBackTurkey
@Wikipedia
Today is OONI's 10th Anniversary! 🥳🎂😍
As of today, 10 years ago, the 1st OONI measurement was published! 🐙
Now, more than a billion measurements have been published from 25 thousand networks in 241 countries 🌍
...and that's all thanks to our AMAZING COMMUNITY! 🥹❤️🥂
📢LAUNCH: New OONI Probe Desktop App for Investigating Internet Censorship 🎉🚀🐙
With the new app, you can:
• Test
@torproject
&
@PsiphonInc
• Test more websites for blocking
Download for Windows & macOS 👇
#Censorship
We released OONI Probe Desktop 3.5.1 which includes UX improvements & 100% translations in Farsi & Arabic! 🐙
Warm thanks to the
@L10nLab
community for the translations! ❤️
📢 New Launch: OONI Measurement Aggregation Toolkit (MAT)! 🎉🐙😻
Use the MAT to create charts based on aggregate views of real-time OONI data & track internet censorship around the world. 📊
Learn more: ✨
#ooni
#mat
#launch
Ensuring a free & open internet during emergencies is important, but access to COVID-19 information has already been censored in China & Venezuela.
So let's measure the accessibility of COVID-19 websites around the world! 🌍 🐙
4 steps 👇
#COVID19
Check your OONI Probe mobile app! It now includes 3 new tests: WhatsApp, Facebook Messenger, and Telegram.
Measure the blocking of instant messaging apps with the tap of a button!
#censorship
@WhatsApp
@telegram
@facebook
WhatsApp, Facebook Messenger & Telegram appear to be blocked in Togo amid elections.
The chart shares findings based on OONI data:
If you're in
#Togo
, consider running OONI Probe to contribute more data:
#Togoelections
#KeepItOn
Today, starting from ~13:30 UTC, some networks in
#Turkey
have started to restrict access to
@Twitter
.
OONI network measurement data shows evidence that the block is being implemented through targeted throttling and DNS interference. 📉
A 🧵 👇
We're excited to share that the OONI Probe Desktop App now supports automated testing! 🎉🐙✨
Update to OONI Probe Desktop 3.3.0 on Windows & macOS:
By enabling automatic testing (in settings), OONI Probe tests will run automatically on a regular basis!
OONI measurements confirm the blocking of WhatsApp, Facebook Messenger, & Telegram in
#Indonesia
by means of DNS on some ISPs. It is possible to circumvent the block by enabling encrypted DNS.
#KeepItOn
OONI measurements are published in near real-time! 🥳
This means that as soon as anyone runs OONI Probe anywhere around the world, their test results are openly published within minutes:
Track global
#censorship
events in near real-time! 🐙🌎
#OpenData
NEW REPORT: Uganda internet blocks & nationwide internet outage amid 2021 general election
With
@DefendDefenders
&
@caida_ioda
we share data on:
• Social media + VPN blocks
• 4-day internet outage amid
#Uganda
's 2021 election
#UgandaDecides2021
#Myanmar
: Data on internet blocks and internet outages following military coup
Our report w/
@caida_ioda
@myanmarido
shares data on:
• Blocking of social media, Wikipedia, circumvention tool sites
• Ongoing internet outages
#WhatsHappeningInMyanmar
🟢 [New Report] No Access: LGBTIQ Website Censorship in Six Countries
Our report w/
@OutRightIntl
&
@citizenlab
examines the blocking of LGBTIQ websites in Indonesia, Malaysia, Russia, Iran, Saudi Arabia & the UAE.
Report:
#LGBTIQ
Belarus protests: From internet outages to pervasive website censorship
At least 86 websites blocked in Belarus, including news media, opposition, and election-related sites.
Our report shares OONI data on these blocks.
#Belarus2020
#protests
#censorship
We're excited to host the online Internet Measurement Village 2020! ✨🐙✨
Watch live-streamed presentations on internet measurement projects, circumvention tools & advocacy efforts fighting internet shutdowns!
Check the schedule 👇
#imv2020
📢 Job Opening: OONI Community Coordinator 😍
Join our team to support human rights defenders worldwide to investigate and fight internet censorship. ✨🐙✨
This is a full-time, fully remote position.
Apply by 12th June 2022! ❤️
#ooni
#hiring
Call to Action: Let's measure the blocking of LGBTQI websites around the world! 🐙🏳️🌈
We've teamed up with
@OutRightIntl
. Join us!
#LGBTQIA
#Censorship
🔴
#Russia
is blocking access to , a website created by the Ministry of Internal Affairs of
#Ukraine
which shares information about captured and killed Russian soldiers.
OONI data:
Help us detect the blocking of LGBTQI sites around the world!🐙🏳️🌈
1. Install the OONI Probe mobile app:
2. Tap the "LGBTQI" buttons:
3. Open the "LGBTQI" buttons with your OONI Probe app
4. Tap "Run"
#censorship
#LGBTQI
OONI Probe Android 3.0.0 released! 🚀🐙🎉
This exciting new release includes important new features:
• Automated regular testing
• New card for experimental tests, including a new STUN reachability test
• Backend proxy support
Update now: ✨
Resurgence of Internet Censorship in Ethiopia: Blocking of WhatsApp, Facebook, and African Arguments website
Our latest report shares evidence of ongoing
#censorship
events in
#Ethiopia
.
Detect internet censorship with the OONI Probe mobile app:
Explore millions of censorship measurements collected from more than 200 countries since 2012:
Thanks to the OONI community, new measurements get published everyday. 🐙✨
Year in Review: OONI in 2017
Check out what OONI has been up to over the last year and learn what we'll be working on in 2018.
Happy New Year to all OONItarians! 🐙🎉
If you're in
#Myanmar
& interested in testing blocked sites further:
1. Install OONI Probe Mobile App:
2. Open this link w/ OONI Probe:
3. Tap "Run"
Warm thanks & solidarity with all OONI Probe users in Myanmar! ❤️
🟢 Research paper: "A multi-perspective view of Internet censorship in Myanmar"
In collaboration w/
@caida_ioda
@kentikinc
@CensoredPlanet
we used diverse measurement datasets to examine Internet censorship events in
#Myanmar
following the military coup.
🟢 New release: OONI Probe Android 3.6.0 🎉✨
The latest version includes:
• New
@torproject
snowflake test ❄️
• New DNS Check test
• Links to OONI blog posts & reports
Update now: 🐙
Since July 2021, Tor usage is decreasing in
#Turkmenistan
and OONI Probe tests haven't been run in the country since.
If you're in
#Turkmenistan
, please run some censorship measurement tests to help us investigate!
1. Install OONI Probe:
2. Tap "Run"
📢Oonitarians: Time to update your probes...
OONI Probe 2.3.0 is out! 🚀🐙 🥳
✨Highlights:✨
• You can re-test URLs
• You can test all URLs from the
@citizenlab
test lists in one go!
Learn more through the release notes:
🔴 [Report] New blocks emerge in
#Russia
amid war in Ukraine: An OONI network measurement analysis
We share OONI data from
#Russia
on:
• News media blocks
• Blocking of
• Centralized throttling of Twitter
• Blocking of Facebook
Cuba blocks independent media amid 2019 constitutional referendum
Our latest report shows how the blocking of media changed in Cuba over time.
Cuba's ISP has changed its censorship techniques, now blocking sites that support HTTPS.
#CubaVota
To test the blocking of websites:
1. Install the OONI Probe mobile app:
2. Add the sites you want to test in the URL slots:
3. Tap Generate
4. Tap Link
5. Tap Run
You can also run more tests from the OONI Probe mobile app.
Oonitarians, happy 2019! 🎉
HUGE THANKS to all those who translated the OONI Probe mobile apps to Arabic, Chinese, Farsi, French, German, Italian & Spanish! ❤️
We're launching the new apps soon! Please help translate to:
#Russian
#Portuguese
#Turkish
If you're in
#Thailand
or
#Cuba
you can test the blocking of Telegram IPs through the following steps:
1. Install the OONI Probe mobile app:
2. Open think link w/ OONI Probe:
3. Tap "Run"
Results published:
Are you in
#Mali
? Test the blocking of social media:
1. Install the OONI Probe mobile app:
2. Run WhatsApp, Facebook Messenger & Telegram tests
3. Open this link with your OONI Probe app (not with a browser):
4. Tap Run
#KeepItOn
As of today, last year, Russia started its military operation in Ukraine.
Today, in collaboration w/
@RuBlackListNET
, we published a new report documenting how Internet censorship changed in
#Russia
over the last year based on OONI data analysis.
🧵
If you're in
#Kazakhstan
, you can help monitor Internet censorship:
1. Install OONI Probe Mobile:
2. Open this link w/ OONI Probe:
3. Tap "Run"
Test results published as open data in real-time here:
Censorship is a cat-and-mouse game.
As censorship techniques become more sophisticated, more of us need to hold the censors to account.
Together, we have strength in numbers. Support the fight against internet censorship!
#StrengthInNumbers
#Cameroon
: To measure the accessibility/blocking of social media:
1. Install OONI Probe mobile app:
2. Tap on this link & open it with your OONI Probe mobile app:
3. Tap Run
#CameroonElections
Happy
#InternationalWomensDay
to all women worldwide! ❤️
We are grateful for all the incredible women who lead the fight against surveillance & internet censorship, who tirelessly defend human rights on the internet.
#IWD2021
#GenerationEquality
China is blocking OONI
A few weeks ago,
#China
started blocking access to our website and censorship measurement app (OONI Probe).
We just published a report documenting the blocking of OONI with OONI data.
📢NEW OONI Probe Command Line Interface (CLI) released! 🚀🐙🎉
Install OONI Probe on:
• Debian/Ubuntu:
• macOS:
Upon installation, OONI Probe will run all tests *automatically* every day!
#NewRelease
Iran temporarily blocks the Farsi language edition of Wikipedia
We share data on the DNS tampering & SNI filtering of Farsi Wikipedia & Wikinews in Iran.
Farsi Wikipedia has been unblocked, but Farsi Wikinews remains blocked.
#Wikipedia
#Iran
Over the last months, we had the opportunity to participate in various conferences and events in Africa, India, and Europe.
Learn more via our latest blog post:
Many thanks to the organizers and participants! ❤️🐙
Today we are thrilled to announce the launch of our new Censorship Findings platform! 🥳🚀
The platform includes 20 reports on internet censorship around the world based on OONI data. 🐙
Learn more: ✨
#launch
Test the blocking of Instagram, Viber, Twitter & Facebook websites in Sri Lanka by:
1. Installing the OONI Probe mobile app:
2. Opening this link with the app:
3. Tapping "Run"!
#SriLanka
#KeepItOn