Skip to main content
Wix fix guide

Render-Blocking CSS Detected on Wix

External CSS stylesheets block page rendering until they are downloaded and parsed. This delays First Contentful Paint and LCP.

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

Why this matters

External CSS stylesheets block page rendering until they are downloaded and parsed. This delays First Contentful Paint and LCP. 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 CSS warnings

Same fix, other platforms

Fix render-blocking css detected on a different CMS

Other fixes

More Wix fixes

Parents

Related guides

See every Wix issue on your site

This is one issue of many the full audit checks. Run a free scan to see what else might be holding your site back.

Run Free Audit