What are Core Web Vitals?
Core Web Vitals are three Google metrics for loading speed, responsiveness, and page stability.
- Since 2005
- 5.0 on Google
- Explanations without the jargon
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What are Core Web Vitals?
Core Web Vitals are three Google metrics for loading speed, responsiveness, and page stability.
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They measure how quickly the main content becomes visible, how fast the page responds to a tap, and whether the layout shifts while loading.
Google measures this with real visitors, so mostly on mobile with an average connection — not on your fast office laptop.
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Geschreven door: Lubna Ouarghi
Why it matters
Speed is a ranking factor, but the commercial impact is even greater: every extra second of loading time costs enquiries and orders.
For WordPress sites with lots of plugins and heavy sliders, this is often where the quickest wins are.
How we approach it
We test your site on mobile, clear out heavy elements, compress images, and ensure the main content loads first.
In the search visibility scan, you can see your own figures and what is needed to get into the green.
Frequently asked questions
How fast does my site need to be?
Having the main content visible within 2.5 seconds on mobile is the benchmark you want to hit.
Will I rank higher if I fix this?
Rarely from this alone. But you will keep visitors who would otherwise click away.
Bronnen en controle
Laatst bijgewerkt en gecontroleerd: September 2026 — door Lubna Ouarghi
This explanation is based on the official documentation below and on my own work in client projects.
- Google Search Central — SEO Starter Guide — what SEO is and where to start
- Google Search Central — Do you need an SEO specialist? — what a specialist does and what to look out for
- Google Search Essentials — the rules your site must comply with
Want to know where your website stands on this?
Request the free visibility scan. You'll see your position on Google, what AI assistants say about you, and the three steps that will deliver the biggest return.
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