Zimt Pfeffer: Plugging a $1,100+ Monthly Performance Leak

Case Study Results July 2026

Zimt Pfeffer is a high-volume merchant generating thousands of sessions a month. With an active product catalog and 43,462 pageviews tracked over a brief 14-day snapshot, they needed to ensure every session was fully optimized to capture conversions.

They deployed Superspeed Sonar to silently monitor user experience.

Finding The Leak

With over 32,000 “Good” CWV pages, the store is fundamentally healthy. However, Sonar identified that visitors experiencing performance issues were abandoning their carts.

  • Total Leak Amount: $558.08
  • Poor Experience Sessions: 1,332
  • Revenue Tracked: $18,124
$558
Identified Revenue Leak

A Clear Path to Improvement

Sonar isolated the exact segments that were leaking revenue. By comparing the baseline Average Order Value (AOV) of fast sessions against the suppressed AOV of slow sessions, Sonar calculated a clear optimization target.

+3.5%
Conversion Uplift Potential

By resolving the bottlenecks on those specific pages, Zimt Pfeffer can reclaim over $1,100/month in lost sales without spending an extra dime on marketing.

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