Good Links to Know

A curated collection of useful resources and articles for developers and AI enthusiasts.

Writing a good CLAUDE.md

A comprehensive guide on how to write effective CLAUDE.md files for better AI coding assistance. This article covers best practices for onboarding Claude to your codebase, including what information to include, how to structure it, and why less is often more when it comes to instructions.

Key takeaways:

Focus on WHAT (tech stack, project structure), WHY (purpose), and HOW (development workflow)
Keep instructions concise and universally applicable
Use progressive disclosure - point to additional docs rather than including everything
Avoid using Claude as a linter - use proper tools instead
Don't auto-generate your CLAUDE.md file

Published: November 25, 2025

Next.js App Router: The Complete Guide

Next.js App Router: The Complete Guide - Vercel

The official documentation for Next.js App Router, covering everything from basic routing to advanced patterns like parallel routes, intercepting routes, and server components. Essential reading for modern React development.

Key sections:

File-based routing with layouts and loading states
Server and Client Components architecture
Data fetching patterns and caching
Route handlers and middleware
Optimizing for performance and Core Web Vitals

TypeScript Handbook

TypeScript Handbook - Microsoft

The official TypeScript documentation covering advanced types, utility types, and best practices for writing maintainable TypeScript code.

Essential concepts:

Advanced types: unions, intersections, conditional types
Utility types: Pick, Omit, Record, and more
Type guards and assertion functions
Module augmentation and declaration merging

React Performance Patterns

React Performance Patterns - Kent C. Dodds

A deep dive into React optimization techniques, when to use memoization, and common performance pitfalls to avoid.

Key insights:

When (and when not) to use useMemo and useCallback
Component composition over premature optimization
Avoiding unnecessary re-renders with proper dependency arrays
The cost of context and when to use it

The State of CSS 2024

The State of CSS 2024 - Sacha Greif

Annual survey of CSS usage and trends, showing what's popular, what's emerging, and what developers are excited about.

Highlights from 2024:

Container queries gaining mainstream adoption
CSS Grid and Flexbox dominance
New color spaces and typography features
The rise of CSS frameworks and utility-first approaches

Building Better APIs

REST API Design Best Practices - GitHub

GitHub's API documentation showcasing industry-standard REST API design patterns, including proper HTTP status codes, pagination, and versioning strategies.

Best practices covered:

Resource-based URL design
Proper HTTP methods and status codes
API versioning strategies
Rate limiting and authentication
Comprehensive error handling

Web Vitals and Performance

Web Vitals - Google

Google's guide to Core Web Vitals metrics and how to optimize your site for better user experience and SEO performance.

Core metrics:

Largest Contentful Paint (LCP)
First Input Delay (FID)
Cumulative Layout Shift (CLS)
How to measure and improve each metric