Frontend System Design
/Expert
Performance Monitoring
Definition
Continuously tracking frontend metrics (API latency, render times, memory leaks) in production. Tools like Datadog or Sentry APM visualize these metrics on dashboards and trigger alerts if performance degrades.
Explain Like I'm New
A dashboard full of graphs that flashes red if your API suddenly starts taking 5 seconds to load.
Interview Questions
basic
- What is the core concept of Performance Monitoring?
intermediate
- How does Performance Monitoring impact the overall user experience?
advanced
- How do you scale Performance Monitoring across a large enterprise application?
trick
- Can Performance Monitoring be fully automated?