Core Web Vitals
Core Web Vitals are three Google metrics that measure how a page actually feels to use: how fast the main content loads, how quickly the page responds when you interact with it, and how much the layout jumps around while loading.
Last updated: June 9, 2026
The three metrics are Largest Contentful Paint, which tracks how long the biggest visible element takes to render; Interaction to Next Paint, which measures how snappily the page reacts to taps and clicks; and Cumulative Layout Shift, which captures how much things move around unexpectedly as the page settles. Google reports these from real visitors, not just lab tests, and uses them as a (modest) ranking factor alongside everything else.
On a Shopify store, the usual culprits are heavy hero images, a pile of third-party apps and tracking scripts, and ad or banner slots that load late and shove content down just as someone goes to tap "Add to cart". Compressing images, trimming unused apps, and reserving space for elements that load in all help. The payoff is concrete: a faster, steadier store keeps shoppers from bouncing, which protects conversions as much as rankings.
You can check your scores in Google Search Console's Core Web Vitals report or with PageSpeed Insights. Treat them as a guide to real user experience rather than a number to chase for its own sake.
Related terms
Alt text
Alt text is a short written description of an image, added in the HTML, that screen readers read aloud to people who can't see the image and that search engines use to understand what the picture shows.
Backlink
A backlink is a link from another website that points to a page on yours. Search engines read backlinks from trusted sites as a signal that your content is credible, which can lift your rankings.
Canonical URL
A canonical URL is the version of a page you tell search engines to treat as the main one when the same or similar content can be reached through several different URLs. It points them to the copy you want indexed and ranked.
Crawl budget
Crawl budget is how many of your pages a search engine is willing to crawl in a given period. It's shaped by how fast and reliably your server responds and by how much the engine thinks your pages are worth revisiting.
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