Certificates.dev Blog

Discover the latest Certificates tips & tricks, industry news, and best practices

Reactivity Best Practices in Vue

Reactivity Best Practices in Vue

Learn Vue 3 reactivity best practices, including ref vs reactive, computed caching, watch vs watchEffect, common pitfalls, and performance tips.

Reza Baar

Reza Baar

Mar 19, 2026

Custom Errors in JavaScript: Extending Error the Right Way

Custom Errors in JavaScript: Extending Error the Right Way

Learn how to extend JavaScript’s Error class correctly, build error hierarchies, and wrap exceptions for clean, scalable error handling.

Martin Ferret

Martin Ferret

Mar 17, 2026

Lazy-loading with @defer

Lazy-loading with @defer

Master Angular lazy-loading with @defer and learn how to control triggers, placeholders, loading behaviour, and error states for standalone components.

Alain Chautard

Alain Chautard

Mar 17, 2026

React Server Components in Practice: Patterns and Pitfalls

React Server Components in Practice: Patterns and Pitfalls

Practical patterns for React Server Components: where to place the server/client boundary, composing Server and Client Components, avoiding data fetching waterfalls, streaming with Suspense, serialization rules, and common pitfalls.

Aurora Scharff

Aurora Scharff

Mar 12, 2026

Building a Blog app with Nuxt Content and Agentic AI

Building a Blog app with Nuxt Content and Agentic AI

Nuxt and Agentic AI: MCPs explained, setting up a Nuxt project with Claude Code, guiding the agent with good prompts (bad vs good prompt examples), MCP context-awareness, finishing and polishing

Reza Baar

Reza Baar

Mar 10, 2026

What Does Zoneless Angular Mean?

What Does Zoneless Angular Mean?

Explore what “zoneless” Angular means—how change detection works without Zone.js, what triggers updates instead, and the best practices (Signals, OnPush, async pipe) to get ready.

Alain Chautard

Alain Chautard

Mar 5, 2026

JavaScript Modules Explained: The Foundation of Modern JS Applications

JavaScript Modules Explained: The Foundation of Modern JS Applications

A deep, practical explanation of JavaScript ES Modules: execution model, shared exports, strict mode, browser rules, and real-world implications.

Martin Ferret

Martin Ferret

Mar 3, 2026

Server-side rendering: SSR or SSG, what’s the difference?

Server-side rendering: SSR or SSG, what’s the difference?

This is a clear breakdown of SSR (Server-Side Rendering) vs SSG (Static Site Generation) in Angular—explaining how they work, key differences like runtime vs build-time rendering, hydration behavior, server requirements, and how to choose the right strategy per route.

Alain Chautard

Alain Chautard

Feb 26, 2026

React Docs Refresh: useActionState and useOptimistic

React Docs Refresh: useActionState and useOptimistic

The React docs for useActionState and useOptimistic have been rewritten with clearer naming, new interactive sandboxes, and patterns from simple pending states to shopping carts with error recovery. Here's what changed and why it matters.

Aurora Scharff

Aurora Scharff

Feb 24, 2026

Looking for Certified Developers?

We can help you recruit Certified Developers for your organization or project. The team has helped many customers employ suitable resources from a pool of 100s of qualified Developers.

Let us help you get the resources you need.

Contact Us
Customer Testimonial for Hiring
like a breath of fresh air
Everett Owyoung
Everett Owyoung
Head of Talent for ThousandEyes
(a Cisco company)