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ff

How ff performs across locations, systems and versions.

View ff on GreatFireSee all in historyFirst seen 09/09/2026, 17:36 UTC
Period
Overall

12 tests

Tests
12
Speed · Median
144.78 KB/s
Latency · Median
914 ms
Stability · Median
100.0%
Lowest speed
49.74 KB/s
Highest speed
3.24 MB/s
Last 90 days

Speed · Median

Daily speed (Median)Daily stability (Median)01.62 MB/s3.24 MB/s0%50%100%2026-08-01 · 1 tests · speed 3.24 MB/s · stability 100.0%2026-08-06 · 1 tests · speed 706.79 KB/s · stability 100.0%Jun 16Jul 1Jul 16Jul 31Aug 15Aug 30Sep 13

By location

LocationTestsSpeedLatencyStability
Other8144.78 KB/s—100.0%
Mainland China4415.19 KB/s914 ms100.0%

By OS

OSTestsSpeedLatencyStability
Windows12144.78 KB/s914 ms100.0%

By version

VersionTestsSpeedLatencyStability
Unspecified12144.78 KB/s914 ms100.0%

Exit IP quality (measured on visitors' tests)

No visitor test with exit-IP quality yet; running a test records it.

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Recent tests

See all in history
TimeLocationVersionOSExitSpeedLatencyStabilityReachQualitySourceDetails
Mainland China—WindowsMY706.79 KB/s1379 ms100.0%—480pGreatFireView details
Mainland China—WindowsTW3.24 MB/s448 ms100.0%—2160pGreatFireView details
Other—WindowsSG131.07 KB/s—95.2%—360pGreatFireView details
Other—WindowsSG105.43 KB/s—100.0%—360pGreatFireView details
Other—WindowsSG164.42 KB/s—100.0%—360pGreatFireView details
Other—WindowsSG158.50 KB/s—100.0%—360pGreatFireView details
Other—WindowsSG162.19 KB/s—95.2%—360pGreatFireView details
Other—WindowsSG125.38 KB/s—92.9%—360pGreatFireView details
Other—WindowsUS62.46 KB/s—100.0%—240pGreatFireView details
Other—WindowsXX276.18 KB/s—100.0%—480pGreatFireView details
Mainland China—WindowsUS49.74 KB/s—90.5%—240pGreatFireView details
Mainland China—WindowsJP123.60 KB/s—100.0%—360pGreatFireView details

Data source: GreatFire Circumvention Centralsynced hourlylast sync