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Glossary / Core Web Vitals

Core Web Vitals

Core Web Vitals are Google's three measures of how a page feels to a real visitor.

The three are loading speed, response to taps and clicks, and visual stability. Google reports them in Search Console and uses them as one ranking signal among many.

Passing means your page shows its main content quickly, reacts fast, and does not jump around while loading. Failing does not remove you from Google. It does make ranking harder against a site that passes.

We measure your current site before we rebuild it. If it already passes, we say so. One measured rebuild, a Houston printer, went from a Lighthouse score of 65 to 98, and its largest paint arrived 4.7 seconds sooner.

Related

Lighthouse

Lighthouse is Google's free tool that scores a page from 0 to 100 on performance, accessibility, best practices and SEO.

Largest contentful paint

Largest contentful paint is how long the biggest thing on screen takes to show up.

Page weight

Page weight is the total size of everything a page downloads, measured in kilobytes or megabytes.

Requests

Requests are the separate files a browser must fetch to show one page.

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