Tool details

puff

How puff performs across locations, systems and versions.

Period

Statistic

Overall

2 tests

Tests

Speed · Median

102.37 KB/s

Latency · Median

—

Stability · Median

98.8%

Lowest speed

100.19 KB/s

Highest speed

104.55 KB/s

Last 90 days

No tests in the last 90 days.

Location	Tests	Speed	Latency	Stability
Mainland China	2	102.37 KB/s	—	98.8%

OS	Tests	Speed	Latency	Stability
Windows	2	102.37 KB/s	—	98.8%

Version	Tests	Speed	Latency	Stability
Unspecified	2	102.37 KB/s	—	98.8%

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
7 years ago	Mainland China	—	Windows	HK	104.55 KB/s	—	97.6%	—	360p	GreatFire	View details
10 years ago	Mainland China	—	Windows	US	100.19 KB/s	—	100.0%	—	360p	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 puff? 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 09/14/2026, 08:15 UTC