We estimate the number of users by analyzing the requests induced by clients to relays and bridges.
This graph shows the estimated number of clients connecting via bridges. These numbers are derived from directory requests counted on bridges. Bridges resolve client IP addresses of incoming directory requests to country codes, and they distinguish connecting clients by transport protocol, which may include pluggable transports. Even though bridges don't report a combination of clients by country and transport, it's possible to derive and graph lower and upper bounds from existing usage statistics. For further details check the documentation on Reproducible Metrics.
The following events have been manually collected in the metrics-timeline Git repository and might be related to the displayed graph.
Dates | Places/Protocols | Description and Links |
---|---|---|
2019-08-06 to 2019-08-09 |
Experiment to test the accuracy of relays' advertised bandwidth estimation.
description of experiment post announcing start post announcing end advertised bandwidth graph relay flags graph |
|
2019-07-27 | snowflake |
The Snowflake proxy hosted at snowflake.torproject.org is updated, changing domains from bamsoftware.com to freehaven.net in order to work around the Google Safe Browsing block.
comment |
2019-07-27 | snowflake |
Version 0.0.7 of the Snowflake extension for Chrome is released, changing domains from bamsoftware.com to freehaven.net in order to work around the Google Safe Browsing block.
comment |
2019-07-26 | flashproxy snowflake |
Cupcake 2.0 is released, now working with Snowflake rather than flash proxy.
Chrome Web Store page |
2019-07-26 | snowflake |
Version 0.0.8 of the Snowflake extension for Firefox is released, changing domains from bamsoftware.com to freehaven.net in order to work around the Google Safe Browsing block.
comment |
2019-07-23 | snowflake |
The broker domain name snowflake-broker.bamsoftware.com is blocked by Google Safe Browsing, preventing the Snowflake web browser extension from working.
ticket comment noting decrease in proxies |
2019-07-03 | snowflake |
The Snowflake web browser extension for Chrome is published.
comment |
2019-07-02 to 2019-08-26 | Iran <OR> Bridges Relays |
Relays in Iran are reported to be unblocked once again, and user numbers recover to about 25% of the maximum they had reached during the previous period of unblocking. They then drop precipitously, and ticket comment comment |
2019-06-26 | snowflake |
The Snowflake web browser extension for Firefox is published.
comment |
2019-06-20 | obfs4 |
A call to set up new obfs4 bridges is posted to the tor-relays mailing list.
mailing list thread thread continues |
2019-06-11 | ipv4 ipv6 |
geoip and geoip6 databases updated to "June 10 2019 Maxmind GeoLite2 Country" (geoip-db-digest A131E1F283F4AD307248B03A70B0413E81ADF2A4 , geoip6-db-digest 0EFF3EE1E22927EC9A77BFFAFD703F3A5B32FA79 ).
commit |
2019-05-28 |
Failure of network equipment at site of op-ab OnionPerf instance (equipment now replaced)
onionperf timeouts graph |
|
2019-05-22 | fte |
Release of Tor Browser 9.0a1, removes support for FTE.
blog post ticket |
2019-05-17 | ipv4 ipv6 |
geoip and geoip6 databases updated to "May 13 2019 Maxmind GeoLite2 Country" (geoip-db-digest 35DFDA2D06D2A0467EF37D60A67B438B11952B74 , geoip6-db-digest C0193A1D086819353FABBF70AADB15866B7B2525 ).
commit |
2019-05-16 to 2019-06-23 | Iran Relays |
Tor becomes directly accessible in Iran, leading to an explosion in relay users up to about 1.5 million, before being blocked again.
ticket comment about end tor-talk thread Reddit thread comment Reddit thread |
2019-04-29 |
Network equipment failure at site of op-ab OnionPerf instance
performance graph |
|
2019-04-17 | Unknown |
Tor browser update pings roughly double.
graph metrics-team thread |
2019-04-16 | snowflake |
Outage of Snowflake fallback proxy-go instances, caused by a failure to restart after segregating old logs.
ticket |
2019-04-03 | ipv4 ipv6 |
geoip and geoip6 databases updated to "April 2 2019 Maxmind GeoLite2 Country" (geoip-db-digest 62A97D4DEBF76A5CE5C232B95BBF05B191EB8AAA , geoip6-db-digest 66620E57A8427C53D6084B3229807DC320CDC3D0 ).
commit |
2018-07-20 to 2019-05-02 | onion Unknown |
The number of v2 onion services increases from 70k to 100k.
comment |
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