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Field dataWhat it means for you.

Performance numbers collected from real visitors using their own devices and networks.

Growth Score · Activation

Definition

What it means

Field data reflects the true spread of experience, including slow phones and poor connections. Google's Core Web Vitals assessment relies on it.

It is slower to gather but more honest than lab results.

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 Field data?

Performance numbers collected from real visitors using their own devices and networks.

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 Lab data and Real user monitoring, then browse the other terms in Activation.

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