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Webflow fix guide

Significant Unused JavaScript on Webflow

A large portion of downloaded JavaScript is never executed during page load. This wastes bandwidth and increases parse/compile time.

Issue ID: CWV-UNUSED-JS-001Severity: moderateEffort: M

Why this matters

A large portion of downloaded JavaScript is never executed during page load. This wastes bandwidth and increases parse/compile time. This affects load speed, Core Web Vitals, and how many visitors stay long enough to convert.

Webflow fix path

How to fix this on Webflow

Use page settings, Designer, or project settings.

  1. 1Locate the element or setting causing the issue.
  2. 2Update it in Webflow.
  3. 3Publish and validate the output.

After you fix it

  • Check Coverage tab in DevTools and confirm unused JS is reduced

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