Changelog of methodology and data
| Date | Type | Change |
|---|---|---|
| 2026-11-01 | methodology | Independence statement printed after the publisher confirmed no relationship with any listed vendor; D6 shown under its methodology name. |
| 2026-11-01 | data | Correction request reviewed for DeviQA: all 56 case pages on its site rechecked under the same rules; no additional retail case found; positions unchanged. |
| 2026-10-30 | data | First publication: 22 candidates collected and verified, 95 retail case studies verified, 12 vendors ranked, 12 of 20 facet rankings published. |
| 2026-10-30 | methodology | Methodology v1.0 frozen; weights 20, 15, 10, 15, 10, 10, 10, 10. Readings recorded: D1 bands require every condition; D8 counts certificates only when two-sourced or listed by a certificate body; D6 shown as Review platform signal. |
Published by the editor of retailqavendors.com. Last reviewed .