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Welcome to Tor Metrics, the primary place to learn interesting facts about the Tor network, the largest deployed anonymity network to date. If something can be measured safely, you'll find it here.*

*And if you come across something that is missing here, please let us know.

"Tor metrics are the ammunition that lets Tor and other security advocates argue for a more private and secure Internet from a position of data, rather than just dogma or perspective." - Bruce Schneier (June 1, 2016)





Name Tags Type Level
Time to download files over Tor Performance Graph Basic
Timeouts and failures of downloading files over Tor Performance Graph Advanced
Fraction of connections used uni-/bidirectionally Performance Graph Advanced
Performance of downloading static files over Tor Performance Data Advanced
Fraction of connections used uni-/bidirectionally Performance Data Advanced

About Tor Metrics

This material is supported in part by the National Science Foundation under Grant No. CNS-0959138. Any opinions, finding, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.

"Tor" and the "Onion Logo" are registered trademarks of The Tor Project, Inc.

Data on this site is freely available under a CC0 no copyright declaration: To the extent possible under law, the Tor Project has waived all copyright and related or neighboring rights in the data. Graphs are licensed under a Creative Commons Attribution 3.0 United States License.