Render-blockingresource

A script or stylesheet the browser must download and process before it can show the page.

Growth Score · Activation

Definition

What it means

Files in the head of a page often hold back the first paint until they load. Deferring scripts, inlining critical styles and removing unused code shortens the wait.

Fewer blocking files means faster first content.

In Growth Score

Part of your score

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Guides that cover it

Fast for real visitorsRead real visits, then fix images, scripts, layout shifts and the slow start.Checkout audit: 12 leaksTwelve places a sale leaks, in cost order, with a test and a fix for each one.When to redesign your siteHow to tell a real redesign need from vanity, and how to do it without losing rankings.

Activation

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FAQ

Quick answers

What is Render-blocking resource?

A script or stylesheet the browser must download and process before it can show the page.

Where does it sit in Growth Score?

It belongs to the Activation pillar, one of the 12 pillars your score is built from.

What should I read next?

Start with Critical rendering path and First Contentful Paint, then browse the other terms in Activation.

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Nearby in the A to Z

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How does your site score?

Growth Score reads your site and scores its Activation pillar against sites like yours.

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