Lazy loadingWhat it means for you.

Delaying the load of images and other content until they are about to appear on screen.

Growth Score · Activation

Definition

What it means

Lazy loading saves bandwidth and speeds the initial load by skipping offscreen content. Do not apply it to the main image at the top of the page, which should load first.

Always set dimensions to avoid layout shifts.

In Growth Score

Part of your score

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Guides that cover it

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.Fast for real visitorsRead real visits, then fix images, scripts, layout shifts and the slow start.

Activation

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FAQ

Quick answers

What is Lazy loading?

Delaying the load of images and other content until they are about to appear on screen.

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 Responsive images and Largest 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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