
Node.js's built-in test runner: is it worth ditching Jest?
A practical guide to node:test, Node.js's built-in test runner: zero-dependency setup, basic syntax, mocking, coverage, and what's still missing compared to Jest.
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A practical guide to node:test, Node.js's built-in test runner: zero-dependency setup, basic syntax, mocking, coverage, and what's still missing compared to Jest.

A practical comparison between Fastify and Express in 2026: performance, plugin architecture, schema-based validation, ecosystem maturity, and when to pick one over the other.

How the WebAuthn protocol behind passkeys works — public keys, attestation, a practical example — and why they're not just a more convenient alternative to passwords.
A practical guide to Fastify with TypeScript: routing, schema validation, and plugin architecture, to build a fast, typed REST API from scratch.