Builds a session-level GA4 checkout funnel, tests which step worsened against the store's own baseline, localises it by device and channel, and proposes one fix with a way to confirm it.
Reviews a product page template against the shopper's real purchase questions and EU price, review and safety-info rules, and returns ranked test hypotheses with metrics for store owners and CRO specialists.
Audits the checkout from cart to withdrawal flow using GA4 step data and a mobile guest walkthrough, ranks friction by severity and reach, and lists EU must-fixes such as the order button and pre-ticked extras.
Reads out an e-commerce A/B test in the right order: SRM chi-square, pre-registered primary metric, sample size and peeking, effect with confidence interval, guardrails and novelty, then ship, don't ship or inconclusive.