The following application statistics are based on the analysis of web server requests. All data comes from Tor web server logs which are provided in a stripped-down version of Apache's "combined" log format without IP addresses, log times, HTTP parameters, referers, and user agent strings.
This graph shows absolute numbers of requests to Tor's web servers related to Tor Browser. Initial downloads and signature downloads are requests made by the user to download a Tor Browser executable or a corresponding signature file from the Tor website. Update pings and update requests are requests made by Tor Browser to check whether a newer version is available or to download a newer version.
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.