Chokepoint Project

OONI: Tor bridge reachability


Using reports generated by the OONI-probe measurement test suite, collected every hour from Tor's report repository, the following graph shows an overview of global tor bridge reachability.

This page contains two visual analysis tools:

Read a brief description of this data layer

Tor bridge reachability: aggregated timelines

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OONI Tor bridge measurements explorer

The bridge explorer is a visualization meant to indicate reachability of Tor bridges. We use raw data available from the OONI reports section. This page shows the results of reports that were returned as "successful", "failed" or "null", aggregated by country and by bridge, shown chronologically.

Click on a 'day' or 'week' element in the calendar of a month to browse the OONI measurements related to its visual representation.

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Goals and methodology