The home for great developer writing.

We surface the best developer writing from thousands of independent blogs, updated daily.

OpenTelemetry tutorial for Node.js: traces and metrics from scratch

106 · Flaviocopes · July 23, 2026, 8:23 a.m.

Node.js Debugging performance monitoring OpenTelemetry

Summary

This blog post provides a tutorial on how to instrument a Node.js API using OpenTelemetry, detailing the process of exporting traces and metrics through a collector and techniques for debugging slow production requests.

Read full post on flaviocopes.com →

MORE POSTS LIKE THIS

Vercel Observability tutorial: debug a slow or failing Function

Flaviocopes · Aug 7, 2026

Web Development Debugging

How to Build a Multi-Tenant SaaS API with Node.js, RBAC, and Audit Logging

freeCodeCamp.org · Jul 21, 2026

Node.js api

node.js syntax checker bug about shadowing in private fields

Christian · Jun 24, 2026

Node.js Debugging

How to implement observability with Node.js and Llama Stack

Red Hat · Jun 12, 2025

Node.js Observability

Visualizing Test Execution with OpenTelemetry

Cezary Piątek · May 4, 2025

Debugging Visualization

Help figuring out where drop is called in this case

Users Rust Lang · Aug 14, 2026

Debugging concurrency

Discover more posts →

AUTHOR