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Tool details

ykk

How ykk performs across locations, systems and versions.

View ykk on GreatFireSee all in historyFirst seen 10/27/2026, 10:15 UTC
Period
Overall

8 tests

Tests
8
Speed · Median
3.52 MB/s
Latency · Median
691 ms
Stability · Median
94.4%
Lowest speed
296.21 KB/s
Highest speed
4.70 MB/s
Last 90 days

Speed · Median

Daily speed (Median)Daily stability (Median)02.35 MB/s4.70 MB/s0%50%100%IODA (Georgia Tech) · 11/04, 20:30 UTC → 11/07, 12:42 UTC · critical · gtr · score 244202IODA (Georgia Tech) · 11/01, 12:00 UTC → 11/02, 06:00 UTC · critical · gtr · score 52081IODA (Georgia Tech) · 10/30, 08:30 UTC → 10/30, 11:00 UTC · critical · gtr · score 3446IODA (Georgia Tech) · 10/27, 17:00 UTC → 10/28, 00:30 UTC · critical · gtr · score 21599IODA (Georgia Tech) · 10/18, 00:00 UTC → 10/18, 01:00 UTC · critical · ping-slash24 · score 4626IODA (Georgia Tech) · 10/05, 02:00 UTC → 10/05, 05:00 UTC · critical · gtr · score 8233IODA (Georgia Tech) · 10/02, 02:30 UTC → 10/02, 05:00 UTC · critical · gtr · score 5853IODA (Georgia Tech) · 10/01, 02:00 UTC → 10/01, 11:00 UTC · normal · gtr · score 23359IODA (Georgia Tech) · 09/25, 02:00 UTC → 09/25, 11:00 UTC · normal · gtr · score 227252026-10-27 · 1 tests · speed 3.35 MB/s · stability 100.0%2026-10-28 · 1 tests · speed 4.70 MB/s · stability 100.0%2026-11-06 · 2 tests · speed 739.98 KB/s · stability 88.9%2026-11-07 · 3 tests · speed 3.94 MB/s · stability 88.9%Aug 10Aug 25Sep 9Sep 24Oct 9Oct 24Nov 7
Outage / anomaly (IODA · Radar)

By location

LocationTestsSpeedLatencyStability
Mainland China83.52 MB/s691 ms94.4%

By OS

OSTestsSpeedLatencyStability
Windows63.52 MB/s639 ms91.7%
Android22.50 MB/s938 ms97.2%

By version

VersionTestsSpeedLatencyStability
Unspecified83.52 MB/s691 ms94.4%

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—WindowsHK4.19 MB/s440 ms94.4%—2160pGreatFireView details
Mainland China—WindowsHK3.94 MB/s596 ms88.9%—2160pGreatFireView details
Mainland China—WindowsHK3.68 MB/s470 ms83.3%—2160pGreatFireView details
Mainland China—WindowsHK343.01 KB/s774 ms100.0%—720pGreatFireView details
Mainland China—WindowsHK1.11 MB/s682 ms77.8%—1080pGreatFireView details
Mainland China—AndroidTW4.70 MB/s699 ms100.0%—2160pGreatFireView details
Mainland China—WindowsSG3.35 MB/s702 ms100.0%—2160pGreatFireView details
Mainland China—AndroidUS296.21 KB/s1176 ms94.4%—480pGreatFireView details

Data source: GreatFire Circumvention Centralsynced hourlylast sync