FrontendHaltPerformance·Intermediate·Conceptual·1 min read
What commonly hurts LCP?
Short interview answer
Slow server response, render-blocking resources, late discovery or low priority of the LCP resource, excessive client-side rendering, and delayed fonts or images. First identify the actual LCP element and its timing subparts.
Key takeaway
Explain the underlying mental model clearly, then support it with a concrete example and its trade-offs.