Week 2026-W37 · Iran
Sep 7 – Sep 13 (UTC, Monday to Sunday)· Data through Sep 13· Generated 09/14, 02:32 UTC
No national outage was recorded in Iran this week; the largest rise in OONI anomaly rate was Instagram (+5.6%); Tor bridge users averaged 19,702 a day (−496 on last week).
Outages and anomalies
National outages and traffic anomalies that started or were still running this week.
No national outage was recorded this week.
Data source：IODA (Georgia Tech)（public API）Cloudflare Radar（Cloudflare data terms）last sync
Website anomaly-rate movers
Anomaly rate per website measured by OONI probes this week, against last week, ordered by the size of the change.
| Website | This week | Last week | Change | Samples |
|---|---|---|---|---|
| 93% | 87% | +5.6% | 1,185 | |
| YouTube | 92% | 88% | +4.2% | 1,077 |
| GitHub | 9% | 5% | +3.8% | 90 |
| 92% | 89% | +2.8% | 1,300 | |
| Discord | 89% | 87% | +1.8% | 610 |
| X | 88% | 87% | +1.2% | 615 |
| ChatGPT | 0% | 0% | ±0% | 48 |
| Wikipedia | 0% | 0% | ±0% | 36 |
| 0% | 0% | ±0% | 43 | |
| Telegram Web | — | — | — | 0 |
Data source：OONI（CC BY-SA 4.0）last sync
Circumvention tool success rate
How often OONI probes reached each tool this week, against last week.
| Tool | This week | Last week | Change | Samples |
|---|---|---|---|---|
| Tor | 77% | 77% | −0.7% | 962 |
| Tor Snowflake | 44% | 48% | −3.2% | 18 |
| Psiphon | 18% | 23% | −4.9% | 987 |
| RiseupVPN | — | — | — | 0 |
| STUN | 85% | 84% | ±0% | 3,862 |
Data source：OONI（CC BY-SA 4.0）last sync
Tor bridge users
Estimated daily Tor bridge users in this region: this week's mean against last week's, with the most used transports worldwide on the right.
- obfs497,904
- snowflake96,466
- webtunnel32,867
Data source：Tor Metrics（CC0）last sync
Direct-connection quality (weekly mean)
Weekly mean bandwidth, latency and DNS resolution of direct connections to Cloudflare from this region; the difference from last week in brackets.
- Bandwidth4.7Mbps(−0.2)Last week: 4.9 Mbps
- Latency137ms(+5)Last week: 132 ms
- DNS resolution147ms(−4)Last week: 151 ms
Data source：Cloudflare Radar（Cloudflare data terms）last sync
Top 10 tools
60-day median ranking as of this week (services only); arrows show the move from last week.
Not enough tests this week to rank tools.