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Frontend Performance Quiz Practice
Active Recall Drill Session
← Exit Session
Question 1 of 1
medium
Frontend Performance
What does Lighthouse actually do to produce its report?
A
Statically analyzes source code without running the page
B
Drives a real, actual headless Chrome instance, navigates the URL under simulated throttling, records a full performance trace, then computes metrics from that trace
C
Only reads the page's HTML meta tags
D
Queries a database of pre-computed scores for known websites
Check Answer