FrontendHaltPerformance·Intermediate·Conceptual·1 min read
What are the current Core Web Vitals?
Short interview answer
Largest Contentful Paint measures loading experience, Interaction to Next Paint measures interaction responsiveness, and Cumulative Layout Shift measures visual stability. Field assessment uses the 75th percentile separated by device class.
Key takeaway
Explain the underlying mental model clearly, then support it with a concrete example and its trade-offs.