Entrada real
- Reader and decision
- COO deciding whether to fund a two-week investigation into checkout performance.
- Verified findings
- Complete weeks only. Online conversion fell from 4.8% to 3.9% over six weeks, −0.9 percentage points/−18.75%. The largest step was 4.6% to 4.1%. Mobile is about 70% of checkout starts. Tracking definition changed 11 May; mobile release was 1 June. No controlled comparison. Source: Conversion_Weekly pivot v3, refreshed 27 Aug 2026.
- Risks, unknowns, and requested action
- Need event-level validation and Mobile versus non-Mobile breakdown. Ask to assign one analyst and one engineer for two weeks. Do not state the release caused the decline.







