Catalog › Render-Blocking › Render-blocking JS
Render-blocking JS
A script in the <head> blocks rendering until parsed and executed.
| Check ID | RENDER_BLOCKING_JS |
|---|---|
| Category | Render-Blocking |
| Severity | Warning |
| Plans | Available on every plan |
How to fix it
Move scripts to the end of the body or add async / defer. Trim non-critical scripts entirely.
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