Tool details

cd

How cd performs across locations, systems and versions.

Period

Statistic

Overall

2 tests

Tests

Speed · Median

1.27 MB/s

Latency · Median

424 ms

Stability · Median

100.0%

Lowest speed

36.35 KB/s

Highest speed

2.50 MB/s

Last 90 days

Location	Tests	Speed	Latency	Stability
Mainland China	2	1.27 MB/s	424 ms	100.0%

OS	Tests	Speed	Latency	Stability
Windows	2	1.27 MB/s	424 ms	100.0%

Version	Tests	Speed	Latency	Stability
Unspecified	2	1.27 MB/s	424 ms	100.0%

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

Time	Location	Version	OS	Exit	Speed	Latency	Stability	Reach	Quality	Source	Details
3 months ago	Mainland China	—	Windows	HK	2.50 MB/s	424 ms	100.0%	—	1440p	GreatFire	View details
9 years ago	Mainland China	—	Windows	JP	36.35 KB/s	—	100.0%	—	240p	GreatFire	View details

Next step

Step 1 · Test the toolSpeed test and rankings
Run a speed test from inside your network, then compare it with the other tools in the rankings.
Run a speed test See the rankings
Step 2 · Check the exitExit IP and browser fingerprint
Using cd? Check your exit IP and fingerprint: whether the IP gets flagged and what your browser gives away.
Check your exit IP See your browser fingerprint
Step 3 · Watch the networkObservatory and weekly digest
A slow tool is not always the tool's fault: check the blocks, outages and network quality in your region.
Open the observatory Read the weekly digest

Data source: GreatFire Circumvention Centralsynced hourlylast sync 09/16/2026, 19:15 UTC