{"metadata":{"id":"connection-reliability","title":"Smart-cube connection success by browser and device","question":"Which browsers and smart-cube families connect most reliably?","source":"Anonymous SupaKewber connection telemetry","sample_unit":"connection outcomes","definition":"Success rate is successful connection outcomes divided by success plus failure outcomes. Unexpected later disconnections are reported separately and excluded from initial success rate.","methodology":"The client sends only coarse browser, operating-system and cube-family labels plus outcome and duration. No IP, user account, MAC address, raw user agent or persistent device fingerprint is stored.","inclusion_rules":["Validated success and failure outcomes from the SupaKewber connection flow."],"exclusion_rules":["User-cancelled device selection","Rows below 100 connection outcomes","Raw or user-assigned Bluetooth device names"],"privacy_rule":"Public SupaKewber cells require at least 20 distinct users and 100 observations unless the dataset contains no account identifier, in which case at least 100 observations are required.","last_updated":"2026-10-09","stable_page_url":"https:\/\/supakewber.com\/research\/connection-reliability\/","json_url":"https:\/\/supakewber.com\/speedcubing-data\/downloads\/connection-reliability.json","csv_url":"https:\/\/supakewber.com\/speedcubing-data\/downloads\/connection-reliability.csv","publication_status":"published","sample_size":395,"contributing_users":null,"date_range":["2026-08-07","2026-10-08"]},"data":[{"dimension_type":"Browser","dimension":"Chrome on Windows","attempts":141,"successes":"26","success_rate_percent":"18.44","avg_success_duration_ms":"11923"},{"dimension_type":"Cube family","dimension":"Unknown smart cube","attempts":236,"successes":"0","success_rate_percent":"0.00","avg_success_duration_ms":null},{"dimension_type":"Cube family","dimension":"Other GAN family","attempts":136,"successes":"44","success_rate_percent":"32.35","avg_success_duration_ms":"15070"}]}