Remove Unused JavaScript

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Quick Reference

Element Code: PE-026

Issue: JS loaded but never executed

Impact: Wasted bandwidth

Fix: Remove dead code

Detection: DevTools Coverage

What Is This Issue?

Unused JS wastes resources.

Why This Matters

Every byte slows load.

How to Fix

  1. Use Coverage tool
  2. Remove unused

Tools

  • DevTools: Coverage panel

TL;DR

Use DevTools Coverage to find and remove unused JavaScript.

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