DrawCode Practice Problem

Design a Link Health Checker

Design a monitoring service that periodically checks HTTP(S) URLs for uptime, latency, TLS validity, and status codes. Users configure checks, schedules, and alert channels. Store history for SLA reporting and incident timelines.


Interactive Visualizer Workspace

Explore step-by-step interactive animations, memory state tracking, and live multi-language execution in DrawCode.

Launch Interactive Visualizer