Tool details
FFF
How FFF performs across locations, systems and versions.
Period
Overall
5 tests
Tests
5
Speed · Median
3.06 MB/s
Latency · Median
410 ms
Stability · Median
94.4%
Lowest speed
114.21 KB/s
Highest speed
3.85 MB/s
Last 90 days
Speed · Median
By location
| Location | Tests | Speed | Latency | Stability |
|---|---|---|---|---|
| Mainland China | 5 | 3.06 MB/s | 410 ms | 94.4% |
By OS
| OS | Tests | Speed | Latency | Stability |
|---|---|---|---|---|
| Windows | 4 | 3.40 MB/s | 410 ms | 91.7% |
| macOS | 1 | 114.21 KB/s | — | 100.0% |
By version
| Version | Tests | Speed | Latency | Stability |
|---|---|---|---|---|
| Unspecified | 5 | 3.06 MB/s | 410 ms | 94.4% |
Exit IP quality (measured on visitors' tests)
No visitor test with exit-IP quality yet; running a test records it.
Run a testRecent tests
See all in history| Time | Location | Version | OS | Exit | Speed | Latency | Stability | Reach | Quality | Source | Details |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mainland China | — | Windows | TW | 3.06 MB/s | 436 ms | 94.4% | — | 2160p | GreatFire | View details | |
| Mainland China | — | Windows | TW | 3.74 MB/s | 410 ms | 94.4% | — | 2160p | GreatFire | View details | |
| Mainland China | — | Windows | TW | 3.85 MB/s | 377 ms | 88.9% | — | 2160p | GreatFire | View details | |
| Mainland China | — | macOS | HK | 114.21 KB/s | — | 100.0% | — | 360p | GreatFire | View details | |
| Mainland China | — | Windows | SG | 141.38 KB/s | — | 88.1% | — | 360p | GreatFire | View details |
Data source: GreatFire Circumvention Centralsynced hourlylast sync