What Are FCP and LCP?
What are FCP and LCP?
Answer out loud in under a minute: a definition, one concrete example, and one pitfall or trade-off.
Hints
Hint 1
Define each, give the "good" threshold, and name the other Core Web Vitals.
Solution
Show the approach
Answer
First Contentful Paint is when the first text or image appears; 1.8 s or less is good. Largest Contentful Paint is when the largest image or text block in the viewport appears; 2.5 s or less is good. LCP is one of the three Core Web Vitals, with Interaction to Next Paint and Cumulative Layout Shift.