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Glossary

by 2Point

How to Create an Experiment Backlog and Prioritize with ICE or PXL

Author: Haydn Fleming • Chief Marketing Officer

Last update: Jan 22, 2026 Reading time: 4 Minutes

Creating an effective experiment backlog is vital for businesses aiming to innovate and optimize their strategies. By systematically organizing experiments, companies can identify which tests to conduct to maximize growth and efficiency. This article delves into how to create an experiment backlog and prioritize it using ICE (Impact, Confidence, Ease) or PXL (Potential, Complexity, Likelihood).

What is an Experiment Backlog?

An experiment backlog serves as a structured list of potential experiments that a team plans to conduct. It enables organizations to focus on valuable insights, streamline processes, and ensure resources are allocated efficiently.

Benefits of Establishing an Experiment Backlog

  • Organization: Centralizing ideas helps teams manage and track experiments systematically.
  • Prioritization: A clear backlog allows for focused efforts on high-impact projects.
  • Flexibility: Adapting to changing business needs becomes easier when there is a well-managed experiment pipeline.
  • Data-Driven Decisions: Leads to informed decisions based on metrics and outcomes from tested hypotheses.

How to Create an Experiment Backlog

Step 1: Gather Ideas for Experiments

The first step in creating an experiment backlog is brainstorming potential experiments. Encourage contributions from team members across different departments, as diverse perspectives can lead to innovative ideas. Utilize tools like surveys or brainstorming sessions to capture all relevant suggestions.

Step 2: Document Experiment Details

For each idea, capture essential details:

  • Objective: What is the goal of the experiment?
  • Hypothesis: What do you predict will happen as a result of the experiment?
  • Metrics: How will success be measured?
  • Resources: What resources are needed to conduct the experiment?

Step 3: Regularly Review and Update

An experiment backlog is a living document that should be regularly reviewed and updated. Schedule regular meetings to assess the backlog, remove outdated ideas, and identify new opportunities.

Prioritizing Your Experiment Backlog with ICE or PXL

Once you have a well-organized experiment backlog, the next step is prioritization. Utilizing frameworks like ICE or PXL can help evaluate which experiments to pursue first.

ICE Framework

The ICE framework allows teams to score experiments based on three criteria:

  • Impact: What potential impact will the experiment have on key metrics?
  • Confidence: How confident are you that the experiment will yield positive results?
  • Ease: How straightforward is it to implement the experiment?

Assign scores from 1 to 10 for each criteria, and then calculate an overall ICE score. Higher scores indicate experiments that should be prioritized first.

PXL Framework

Similar to ICE, the PXL framework assesses experiments based on three additional dimensions:

  • Potential: What is the potential value of the experiment?
  • Complexity: What complexities might arise during implementation?
  • Likelihood: What is the likelihood of successfully achieving the desired outcomes?

Evaluating your experiments with these criteria provides a well-rounded perspective, enabling informed decision-making.

Comparing ICE and PXL

When deciding between using ICE or PXL for prioritization, consider the following:

  • Focus: ICE is more focused on the ease of implementation and immediate impact, making it suitable for fast-paced environments where quick wins are essential.
  • Depth: PXL offers a deeper analysis, ideal for scenarios where long-term potential and risks deserve more consideration.

Best Practices for Managing Your Experiment Backlog

  1. Set Clear Goals: Define what you want to achieve with your experiments to help guide prioritization.
  2. Collaborate: Engage team members from different functions to foster innovation and gain diverse insights.
  3. Stay Agile: Be flexible and ready to pivot based on results and market changes.
  4. Measure Results: After conducting experiments, systematically measure outcomes and iterate based on findings.

Frequently Asked Questions

How do I determine what metrics to use for experimentation?

Choosing the right metrics depends on your goals. Consider metrics that align with business objectives, such as conversion rates, customer retention, or user engagement.

What is the ideal frequency for reviewing the experiment backlog?

Reviewing the backlog every month is common, but adjust the frequency based on your team’s workflow and the pace of changes in your market.

Can different teams use the same experiment backlog?

Yes, a centralized experiment backlog can improve communication and coherence across different teams, which fosters collaboration and innovation.

Creating and managing an experiment backlog is a strategic approach to fostering a culture of experimentation and continuous improvement. By utilizing frameworks like ICE and PXL, you can identify high-impact opportunities that align with business objectives. This well-structured process not only enhances productivity but also arms your organization with the insights necessary for sustained growth.

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