Summary: Prioritize the 20% of your website or app responsible for 80% of a critical metric to generate substantial improvements for less effort.
Imagine this: after dozens of meetings with your company's legal, marketing, and engineering departments, you finally have access to an analytics tool. Congratulations! There is a rush of excitement as the UX team dreams of conducting A/B testing on design improvements or (finally) convincing skeptical stakeholders with quantitative user data.
A few months pass and that initial excitement turns into dismay — there are so many pages, reports, and metrics to consider. The scope and robustness of analytics tools can mire any design team with information overloadand analysis paralysis. What can UX professionals do when confronted with so much quantitative data? Consider using the Pareto Principle.