Business, Metrics & Strategy

PIE Framework

A prioritization model used primarily in Conversion Rate Optimization (CRO) that evaluates tests based on Potential, Importance, and Ease.

What is the PIE Framework?

The PIE framework, developed by WiderFunnel, is a method used to prioritize A/B tests and marketing experiments. It scores ideas from 1-10 on three factors: Potential (How much improvement can be made on this page? Is it currently terrible?), Importance (How valuable is the traffic to this page? Does it drive high revenue?), and Ease (How difficult will it be to implement the test technically and politically?). The scores are averaged to give an overall PIE score, directing teams to the most lucrative testing opportunities.

Why the PIE Framework Matters for Managers

In digital marketing and product growth, teams often waste time optimizing pages that have very little impact on the bottom line. A manager might spend weeks A/B testing a new footer design, only to realize that very few users scroll down that far (Low Importance, Low Potential). The PIE framework forces managers to look at the business context before investing resources. It highlights the “leaky buckets” in high-value flows. By utilizing PIE, a manager ensures the team is always working on optimizations that will yield statistically significant and financially meaningful results.

Real-world Example or Application

An e-commerce manager wants to improve conversion rates and has two pages in mind: the “About Us” page and the “Checkout Phase 2” page.

  • About Us Page: The page looks outdated (Potential: 8), gets decent traffic but doesn’t lead to direct sales (Importance: 3), and is just text, so it’s easy to change (Ease: 9). PIE Score = 6.6.
  • Checkout Phase 2: The page currently has a 40% drop-off rate (Potential: 9), every user must pass through it to buy, meaning it directly impacts revenue (Importance: 10), but it requires backend engineering to alter (Ease: 4). PIE Score = 7.6. Despite the technical difficulty, the PIE framework correctly points the manager to prioritize the Checkout page, as the financial Importance heavily outweighs the Ease of the About Us page.