What record connects an ecommerce visit with a fulfilled order?
Use a governed visit-to-order identifier that can join the source visit to the order, payment state, cancellation, fulfilment, and return where permitted. Document expiry and unmatched records so observed value is not confused with modelled credit.
How should changing stock affect an ecommerce source test?
Limit the test to products with dependable availability or update eligibility from a current stock record. Mark stockouts and substitutions in the analysis because traffic cannot prove demand for an item customers were unable to buy.
Which supply details make an ecommerce traffic source inspectable?
Ask for the site or app, placement, format, device, geography, seller path, time, and quality signals available for each delivery segment. Treat missing fields as uncertainty rather than describing opaque reach as verified supply.
What cost basis keeps an ecommerce source comparison honest?
Put every source on a contribution basis that includes the media bill, creative production, checkout fees, fulfilment, refunds and support time. Use one attribution window and one treatment of margin across the comparison, so a low click price cannot hide weak order economics.
Where can discount-led traffic damage store economics?
A source can appear productive when it attracts buyers who require deep discounts, select low-margin items, return often, or create heavy service demand. Review contribution after those effects instead of relying on gross order value.
How can new and returning buyers be separated in source reporting?
Classify customer status from an approved store record at the chosen decision time, then report acquisition and repeat activity separately. State identity gaps and avoid assuming every unrecognized browser represents a new customer.
What evidence shows that source quality survives after checkout?
Follow validated orders through cancellation, fulfilment, return, refund, complaint, and repeat behaviour for a suitable window. Compare like product and customer groups so later operational differences do not masquerade as traffic quality.
When is an owned-channel comparison useful for paid ecommerce traffic?
Use it when email, direct, or another owned route can reach a comparable eligible group with the same offer and destination. The comparison clarifies incremental cost and demand, although channel eligibility and timing still need to be disclosed.
Who should correct a broken ecommerce source-to-order trail?
Name owners across media, analytics, commerce, payments, fulfilment, finance, and privacy with access to the relevant logs. The runbook should define containment, evidence preservation, correction, backfill limits, and approval to resume reporting.
What should follow the first reliable ecommerce source finding?
Repeat the result on the same commercial definition or one carefully matched product group before widening delivery. Change one material factor, retain the loss limit and customer safeguards, and document why the next step is justified.