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LoveGoBuy: How to Compare Seller Performance Using Spreadsheet Data

2025-11-21

As a savvy LoveGoBuy user, your seller portfolio is one of your most valuable assets. But with dozens or even hundreds of sellers in your network, how do you identify which ones truly deliver quality products on time? The answer lies in leveraging your historical spreadsheet data to make informed, data-driven decisions.

Why You Should Be Comparing Seller Performance

Not all sellers are created equal. Some consistently deliver high-quality items quickly, while others become sources of frustration and delays. By systematically comparing sellers, you can:

  • Minimize the risk of receiving defective or low-quality items
  • Reduce shipping delays that impact your customers
  • Optimize your sourcing strategy for better profitability
  • Build stronger relationships with reliable suppliers

The two most critical metrics for evaluation are QC pass ratesdelivery times.

Analyzing QC Pass Rates for Quality Assessment

Your Quality Control (QC) data provides the clearest picture of product quality from each seller.

Gathering the Right Data

Export your LoveGoBuy order history and look for these key columns:

  • Seller name/ID
  • QC status (Pass/Fail)
  • QC failure reasons (if recorded)
  • Order dates

Calculating Pass Rates

Create a simple calculation for each seller:

QC Pass Rate = (Number of QC Passed Orders ÷ Total Orders) × 100

A seller with 45 passed QC checks out of 50 total orders would have a 90% pass rate—generally considered excellent performance.

Setting Quality Thresholds

  • Premium Tier (90%+ pass rate):
  • Standard Tier (75-89% pass rate):
  • Review Tier (Below 75%):

Measuring Delivery Times for Speed Assessment

Delivery speed impacts your entire supply chain and customer satisfaction.

Tracking Key Timeline Metrics

Your spreadsheet should capture these time intervals:

  • Processing Time:
  • Warehouse Receiving Time:
  • Total Lead Time:

Calculating Average Delivery Times

For each seller, calculate:

Average Delivery Time = SUM(All Total Lead Times) ÷ Number of Orders

Also calculate the standard deviation to understand consistency. A seller with consistent 10-day delivery is often better than one with 7-day average but wide variations.

Creating Your Seller Performance Dashboard

Combine Metrics for Comprehensive View

Create a master spreadsheet with columns for:

  • Seller Name/ID
  • Total Orders
  • QC Pass Rate (%)
  • Average Delivery Time (days)
  • Delivery Time Consistency (standard deviation)
  • Performance Score (custom formula combining both factors)

Weight Your Priorities

Create a scoring system that reflects your business needs. For example:

Performance Score = (QC Pass Rate × 0.7) + ((30 - Average Delivery Time) × 0.3)

This example weights quality more heavily than speed—adjust based on your priorities.

Visualize with Charts

Create scatter plots with:

  • X-axis: Average Delivery Time
  • Y-axis: QC Pass Rate
  • Bubble size: Total order volume

This visualization instantly highlights your best performers (top-right quadrant) and problem sellers (bottom-left quadrant).

Taking Action Based on Your Analysis

Categorize Your Sellers

  • Strategic Partners (High quality, fast delivery):
  • Quality Specialists (High quality, slower delivery):
  • Speed Specialists (Lower quality, fast delivery):
  • Underperformers (Poor on both metrics):

Implement Continuous Monitoring

Performance analysis isn't a one-time activity. Update your dashboard monthly to:

  • Track improvements from seller feedback
  • Identify emerging negative trends early
  • Discover new rising stars in your portfolio

Start Comparing Today

Your LoveGoBuy historical data contains invaluable insights about seller performance. By systematically analyzing QC pass rates and delivery times through simple spreadsheet calculations, you can transform random sourcing decisions into strategic ones. Start with your last 100 orders this week—your future self will thank you for the reduced headaches and improved profitability.

Note: Always consider sample size when making decisions—a seller with only 2-3 orders hasn't demonstrated reliable performance patterns yet.

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