Why it Matters?
Starting June 2021, the new page experience signals combine Core Web Vitals (loading, interactivity and visual stability) with Google’s existing search signals including mobile-friendliness, safe-browsing, HTTPS-security, and intrusive interstitial guidelines. This update will affect your ranking on Google search.
“Core Web Vitals are the subset of Web Vitals that apply to all web pages, should be measured by all site owners, and will be surfaced across all Google tools. Each of the Core Web Vitals represents a distinct facet of the user experience, is measurable in the field, and reflects the real-world experience of a critical user-centric outcome.” https://web.dev/vitals/
Tools that assess Core Web Vitals compliance should consider a page passing if it meets the recommended targets at the 75th percentile for all of the below three metrics.
Largest Contentful Paint (LCP): Measures loading performance. This metric reports how fast for the largest piece of content, such as text and images, appears on the screen.
First Input Delay (FID): measures how long it takes from when a user first interacts with a page (link, button) to the time when the browser is actually able to begin processing event handlers in response to that interaction.
Cumulative Layout Shift (CLS): Measures how the elements move around on the screen while loading.
Core Web Vitals are Good News!
Reducing loading time can impact user bounce rates and increase conversion rates up to 20%. If a page takes a long time to load, your users will exit and search other sources for what they want.
Improving your site’s ability to respond to the action your user wants to take, will enhance user experience. When links don’t work, visitors will leave a page without performing a specific action, such as buying your product, filling out a form, or clicking on a link.
Visual stability impacts conversion when the elements move and disrupts user experience. Improving your CLS score may reflect on the traffic you get from Google and other search engines.