Your question is Optimizing a Slow Application. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
What steps would you take to optimize a slow-running application?
Explain how you would diagnose the bottleneck, prioritize optimization work, coordinate validation with relevant stakeholders, and protect application reliability during changes. Address how you would measure improvement and decide whether to proceed, roll back, or investigate further.