Every A/B-testing tool: public brands with it installed, how many of those a collector has read, how many run at least one experiment, and whether we read the tool at all (null counts mean not read, never zero). Personalizations and rollouts are not counted as tests.

Every A/B-testing tool: public brands with it installed, how many of those a collector has read, how many run at least one experiment, and whether we read the tool at all (null counts mean not read, never zero). Personalizations and rollouts are not counted as tests. Scope tools:read; cache daily.