Migration ROI Retrospective
Calculates financial ROI and performance impact of platform migrations
- agent ›90-day verdict on the platform switch: DKK 290,000 lost in the first six weeks, DKK 180,000 gained since. Net so far: −DKK 110,000, but every week since week 7 has been positive.
- you ›So the migration was a mistake?
- agent ›Not on this evidence. Most of the loss was one-off: DKK 105,000 from the missing stock-per-size display, DKK 65,000 from the /brands/ redirect gap and DKK 60,000 from slower re-indexing. Since then the new checkout converts 0.4 points better, adjusted for season.
- you ›When do we break even?
- agent ›At the current pace, around week 18.
- agent ›Lesson for next time: brand pages carried 11% of organic revenue and were the last URLs to be mapped. Map redirects by revenue, not by menu order.
What it does
Ninety days after go-live, this agent gives the financial verdict on the platform switch. It adds up the true revenue cost of the move — re-indexing lag, redirect failures, feature parity gaps — and sets it against the performance gains the new platform has brought since. Seasonal and campaign effects are separated from the migration's own impact, so the verdict is about the platform and not about the calendar. It closes with lessons learned on sequencing the migration, managing redirects and validating features.
An example insight.
What a result from Migration ROI Retrospective looks like. The numbers are an illustration, not a customer's.
Net −DKK 110,000 after 90 days, break-even around week 18
The move cost DKK 290,000 in the first six weeks, mostly from one feature parity gap, one redirect gap and re-indexing. The new checkout has earned DKK 180,000 since, adjusted for season. At the current pace the migration pays for itself around week 18.
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