Posts

Learn how to implement distributed tracing in Node.js microservices using OpenTelemetry. Discover traces, spans, context propagation, and production best practices.

Learn how to implement proper focus management in SPAs to create accessible, keyboard-friendly experiences that rival traditional page loads.

Learn how to properly test JavaScript applications with screen readers. Discover practical techniques for NVDA, VoiceOver testing, and building accessibility into your development workflow.

Learn how to build accessible React applications with proper keyboard navigation patterns, focus management, and WCAG compliance through practical examples and custom hooks.

Learn the essential ARIA patterns every JavaScript developer needs to build accessible web applications. From modal dialogs to custom dropdowns, master focus management and screen reader support.

Learn how to properly manage secrets in Node.js applications—from development .env files to production vault solutions. Includes practical examples of AWS Secrets Manager, HashiCorp Vault, and runtime secret rotation.

Learn when to use DOMPurify versus manual validation for input sanitization. Real-world examples comparing DOM-based sanitization with regex and custom validation approaches.

Learn how to implement Content Security Policy in your JavaScript applications to prevent XSS attacks and secure your code. Practical examples with nonces, hashes, and framework-specific patterns.

Learn when your Node.js API actually needs CSRF protection and how to implement it correctly. Real-world examples of synchronizer tokens, custom middleware, and authentication patterns that work.

Learn how to protect your JavaScript applications from XSS attacks with practical code examples, security patterns, and real-world implementation strategies.

Discover the 5 most common N+1 query problems killing your app's performance and learn practical solutions with real code examples. From ORMs to GraphQL resolvers.

A practical comparison of Zod, Yup, and Joi schema validation libraries for TypeScript and JavaScript projects. Learn which validator to choose for your next project.