Certificates.dev Blog

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

Nullish Coalescing Operator

Nullish Coalescing Operator

Understand the difference between || and ?? in JavaScript, and learn how the nullish coalescing operator avoids common pitfalls with falsy values like 0, empty strings, and false.

Martin Ferret

Martin Ferret

Apr 28, 2026

Accessibility in React: Common Mistakes and How to Fix Them

Accessibility in React: Common Mistakes and How to Fix Them

A look at the most common accessibility mistakes in React applications: missing semantics, broken focus management, unlabeled elements, and silent dynamic updates. Covers what to fix, when to use component libraries, and how to audit your app.

Aurora Scharff

Aurora Scharff

Apr 23, 2026

Composable Best Practices in Nuxt

Composable Best Practices in Nuxt

Learn how to use composables in Nuxt effectively, avoid common SSR and state pitfalls, and build production-ready patterns in this practical 15-minute guide.

Reza Baar

Reza Baar

Apr 22, 2026

How to create nested routes with Angular?

How to create nested routes with Angular?

Learn how nested (child) routes work in Angular, why multiple router outlets are useful, and how to implement tabbed navigation in complex dashboards.

Alain Chautard

Alain Chautard

Apr 21, 2026

How the Laravel Service Container Actually Works Under the Hood

How the Laravel Service Container Actually Works Under the Hood

Go beyond the “magic” of Laravel’s dependency injection. Learn how the service container works under the hood and why it’s essential for building clean, testable, and maintainable applications.

Steve McDougall

Steve McDougall

Apr 16, 2026

JavaScript Mistakes That Quietly Destroy Production Apps

JavaScript Mistakes That Quietly Destroy Production Apps

Some JavaScript mistakes don’t crash your app, they slowly degrade performance, reliability, and user trust. Here are the ones that cost the most in production.

Martin Ferret

Martin Ferret

Apr 14, 2026

TanStack Start and Router: What You Need to Know

TanStack Start and Router: What You Need to Know

An overview of TanStack Start and TanStack Router — type-safe routing, validated search params, server functions, middleware, SSR, and how to get started.

Aurora Scharff

Aurora Scharff

Apr 9, 2026

Handling Content in Nuxt

Handling Content in Nuxt

A practical walkthrough of @nuxt/content for querying, rendering, and navigating markdown-based content in Nuxt.

Reza Baar

Reza Baar

Apr 8, 2026

How to Pick the Right Dependencies for Your Angular Application

How to Pick the Right Dependencies for Your Angular Application

Choosing the right libraries/dependencies for your Angular applications can make or break your project in the long run. Learn how to pick the right dependencies.

Alain Chautard

Alain Chautard

Apr 7, 2026