All case studies·E-commerce
0% traffic lost

Zero-loss replatform that grew organic for a marketplace

A two-sided marketplace with hundreds of thousands of indexed URLs was replatforming — a move that routinely sheds 30–50% of organic traffic. We ran it like an SEO project and came out ahead instead of behind.

ClientMarketplace · 2-sided
IndustryTwo-sided online marketplace
Timeframe5 months
Services
Technical SEOE-commerce SEOAnalytics & CRO
0%organic traffic lost at cutover
+22%organic traffic within 90 days
100%priority URLs redirected 1:1
<48hto full re-indexation of key pages
The challenge

With most demand coming from search and hundreds of thousands of URLs in play, a botched migration was an existential risk. The new stack changed URL structures, templates and internal linking all at once — any of which could tank rankings overnight.

  • 300k+ indexed URLs changing structure at cutover
  • Industry-typical migrations lose 30–50% of organic traffic
  • Template, schema and internal-link parity all at risk
  • Search drives the majority of marketplace demand
The strategy

Migrations fail in the gaps between engineering and SEO. We closed every one of them before launch.

01

Inventory everything

Nothing moves until we know exactly what exists and where it must land.

  • Complete URL inventory and prioritization
  • One-to-one redirect map for every priority URL
  • Parity checklist for metadata, schema and links
02

Stage and validate

We crawled the new environment before launch to catch regressions while they were still cheap to fix.

  • Pre-launch crawls of the staging environment
  • Template-level parity and schema validation
  • Internal-link and canonical verification
03

Own the cutover

A real-time dashboard turned a high-risk window into a controlled, monitored event.

  • Live monitoring of redirects, indexation and errors
  • Hours-not-weeks regression detection
  • Rapid response runbook for the launch window
The trajectory
Organic traffic index (100 = pre-launch)
PreLaunchW2W4W8W12

No cliff at cutover — traffic held, then climbed on the cleaner architecture.

The results
Traffic at cutover
30–50% at risk0% lost
Organic in 90 days
Baseline+22%
Priority URLs redirected
100% 1:1
Key-page re-indexation
Weeks (typical)<48h

The marketplace migrated without the traffic cliff everyone feared — and actually came out ahead, with organic up 22% within ninety days thanks to the cleaner architecture shipped alongside the move. Priority pages were re-indexed within two days of launch.

Everyone warned us a migration this size would tank our traffic. We didn't lose a thing — we grew. That's all the proof I needed.
Tomas BergHead of Product, Loop Marketplace
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