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Episode
373
Interview
Web News

What The 80/20 Rule Really Means For Web Developers

Recorded:
May 13, 2025
Released:
May 27, 2025
Episode Number:
373

In this episode, Matt and Mike explore the 80/20 rule and how developers can use it to boost productivity, reduce burnout, and prioritize what matters—plus how AI is reshaping the rule itself.

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Who’s in This Episode?

Show Notes

Introduction

  • We’ve all heard 80/20 being thrown around
  • Lets figure out where it came from
  • What it means for us Web Developers/Software Devs
  • How we can benefit from it
  • How AI changes the rule

What the 80/20 Rule Really Means

  • Coined by Vilfredo Pareto a Italian Engineer in the late 1800s to early 1900s
  • Found ~20% of Italian land owners held 80% of land
  • Formalized as a power-law distribution (Pareto distribution) showing extreme concentration of value among a small share of actors
  • Varients
    • 20 % of work yields 80 % of user-visible value.
    • 20 % of defects trigger 80 % of incidents.
    • 20 % of app surface drives 80 % of traffic.
    • The first 80% of an app takes the same amount of time as the last 20%

What 80/20 means for developers

  • Prioritization
    • Find the 20% that matters most
  • Technical-Debt
    • 80% of code might never be worth refactoring
  • Time Usage/Productivity
    • Find the 20% that has the most impact on your day and double down on it
  • Burnout
    • Split your work time into 80/20 where 80% is on critical core work functions and 20% is on research or side aspects of work that let you focus on something else probably more interesting

How to Identify the 20% That Matters

  • Metrics
    • Analyze analytics
    • Review logs
  • Tracking
    • Put more information into your task management apps
  • Feedback
    • Pay attention to what your users are saying about the product
  • Team Insights
    • Check with the engineers around you to see what areas of the code they are focused on consistently
  • AI
    • Have AI analyze your product/codebase to determine potential areas of focus and high priority that need the most attention

Benefits for Developers

  • Sharper focus
    • If you can identify the 20% that matters you can impact the most important parts
  • Easier stakeholder communications
    • Knowing the most important parts of the app or your work makes it easier for you to let stakeholders know you’re working on the most critical tasks
  • Stress reduction
    • Knowing the most important parts of your work make it easy to not worry about the other 80% as much and avoid bikeshedding

How AI Throws a Wrench into 80/20

  • Building the first 80% becomes a lot faster but the last 20% becomes a lot slower



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