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WordPress fix guide

Render-Blocking JavaScript Detected on WordPress

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.

WordPress fix path

How to fix this on WordPress

Use the page editor, theme, or SEO tooling depending on where this issue lives.

  1. 1Inspect the page and theme output.
  2. 2Apply the fix in the most direct place.
  3. 3Publish and validate with a re-audit.

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 WordPress fixes

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