Why has the click-through rate on Zopa's car finance comparison tool declined by 20% in the last two weeks?

Introduction

The recent 20% decline in click-through rate (CTR) on Zopa's car finance comparison tool over the past two weeks is a significant issue that requires immediate attention. This analysis will systematically identify, validate, and address the root cause while considering both short-term and long-term implications for the product and business.

Step 1

Clarifying Questions (3 minutes)

• Looking at the timing, I'm thinking there might have been a recent product update. Has there been any change to the car finance comparison tool in the last month?

Why it matters: Recent changes could directly impact user behavior. Expected answer: Yes, there was a minor UI update two weeks ago. Impact on approach: If confirmed, we'd focus on the UI changes as a primary factor.

• Considering user segments, I'm curious about the distribution of the CTR decline. Is the 20% drop consistent across all user segments, or are some groups more affected?

Why it matters: Helps identify if the issue is universal or segment-specific. Expected answer: The decline is more pronounced in mobile users. Impact on approach: We'd prioritize mobile-specific factors in our analysis.

• Given the nature of car finance, I'm wondering about seasonal trends. How does the current CTR compare to the same period last year?

Why it matters: Rules out normal seasonal fluctuations. Expected answer: CTR is significantly lower than the same period last year. Impact on approach: Confirms this is an anomaly, not a seasonal trend.

• Thinking about external factors, have there been any significant changes in the car finance market or competitor offerings recently?

Why it matters: External market forces could influence user behavior. Expected answer: No major market changes, but one competitor launched a new campaign. Impact on approach: We'd consider competitive analysis as part of our investigation.