What are core web vitals in Google search console?

The Core Web Vitals report shows how your pages perform, based on real world usage data (sometimes called field data). You can read more about this initiative on the Google Search Central blog. Longer page load times have a severe effect on bounce rates.

Core Web Vitals, introduced earlier this month, are a set of metrics related to speed, responsiveness and visual stability

Core Web Vitals are a set of specific factors that Google considers important in a webpage's overall user experience