Glossary

What are Core Web Vitals?

Core Web Vitals are Google metrics for loading speed, interactivity and visual stability of a page.

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What are Core Web Vitals?

The three metrics are Largest Contentful Paint (loading), Interaction to Next Paint (responsiveness) and Cumulative Layout Shift (visual stability). They are part of Google's page experience signals.

Heavy third-party scripts, including analytics and consent tools, can hurt these scores.

Why Core Web Vitals matters

  • They influence user experience and can affect search visibility.
  • Fast pages convert better.

Practical tips

  • Remove scripts you do not need.
  • Load scripts asynchronously.
  • Measure with real-user data and lab tests.

Core Web Vitals in Noralytic

Noralytic does not measure Core Web Vitals, but its tracking script is under 1 KB and loads asynchronously, so it has no noticeable effect on them.

Frequently asked questions

What are Core Web Vitals?

Core Web Vitals are Google metrics for loading speed, interactivity and visual stability of a page.

Does analytics affect page speed?

Heavy analytics scripts can. A very small script such as Noralytic is negligible.

Bounce rateBounce rate is the percentage of sessions in which a visitor views only one page and leaves. Landing pageA landing page is the first page a visitor sees when arriving on your website. Conversion rateConversion rate is the percentage of visitors who complete a goal, such as buying, signing up or filling in a form.

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