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Wix fix guide

Render-Blocking JavaScript Detected on Wix

Synchronous <script> tags in the <head> block page rendering. The browser must download and execute these scripts before painting any content.

Issue ID: CWV-RENDER-BLOCK-JS-001Severity: moderateEffort: M

Why this matters

Synchronous <script> tags in the <head> block page rendering. The browser must download and execute these scripts before painting any content. This affects load speed, Core Web Vitals, and how many visitors stay long enough to convert.

Wix fix path

How to fix this on Wix

Use page settings and editor sections first.

  1. 1Find the relevant page or site setting.
  2. 2Apply the change in Wix Editor.
  3. 3Publish and validate the result.

After you fix it

  • ✓Run Lighthouse and confirm no render-blocking JS warnings

Same fix, other platforms

Fix render-blocking javascript detected on a different CMS

Other fixes

More Wix fixes

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