External resources

Hand-picked links to deepen what this course covers. Grouped by topic — start with Chrome DevTools Memory if you are practicing in the browser.

Chrome DevTools Memory

Resource	Type	Why read it
Fix memory problems	Article	Canonical walkthrough of the four snapshot workflow and common leak types
Memory terminology	Docs	Shallow vs retained size, dominators, GC roots
Record heap snapshots	Docs	Take snapshots, compare, filter constructors
Allocation profiler on timeline	Docs	Find when allocations spike during interaction
Memory panel overview	Docs	Snapshot vs timeline vs sampling modes

Resource	Type	Why read it
Performance.memory	MDN	Non-standard Chromium API used in course demos
Garbage collection	MDN	Reachability and GC fundamentals

Resource	Type	Why watch it
Chrome DevTools: Memory panel	Video (~12 min)	Visual tour of heap snapshots and comparison view
JavaScript Memory Profiling with Chrome DevTools	Video (~30 min)	Deeper dive into retainers and detached DOM
Chrome Dev Summit: DevTools memory	Playlist search	Conference talks on new Memory panel features

Resource	Type	Why read it
Debugging Node.js	Docs	`node --inspect`, attach Chrome DevTools
v8.writeHeapSnapshot	API	Programmatic snapshots for soak tests
process.memoryUsage()	API	`rss`, `heapUsed`, `external` fields

Pair with the runnable scripts in examples/node/.

Resource	Type	Why read it
memlab documentation	Tool docs	Scenario-based browser leak regression tests
memlab CLI find-leaks	CLI	Compare baseline / target / final snapshots automatically
clinic.js Doctor	Tool	Node event-loop and memory health overview
clinic.js HeapProfiler	Tool	Allocation timeline for Node processes

Resource	Type	Why read it
Prometheus Node.js metrics	Package	`nodejs_heap_size_used_bytes`, RSS gauges
Grafana memory dashboards	Dashboards	Templates for heap trend alerting

See also the course lesson on Grafana and Kubernetes.