Mock Interview
Vitals Triage
A release worsened mobile LCP, INP, and CLS on one route. Explain how you segment, reproduce, fix, and verify.
Interaction Debugging
Profile a slow filter interaction and decide between state movement, transitions, virtualization, worker offloading, or server work.
Budget Policy
Design performance budgets for a content and practice platform with route-level limits, third-party governance, and exception handling.