The Complete
Frontend
Architecture
Reference
By Den Odell
30+ production-ready patterns and guides covering every aspect of modern frontend development
Introduction
What Are Frontend Architecture Patterns?
Frontend architecture patterns are the repeatable design approaches teams use to structure and scale modern web apps, from JavaScript components to full UI systems, while keeping codebases clear, maintainable, and fast.
Why Does This Reference Site Exist?
Site Structure
How This Site Works
This site is organized into three layers: Foundations, Guides, and Patterns.
Foundations
The Why
Build on solid principles. Learn the core concepts that underpin great frontend architecture.
View
Guides
The When
Not sure which pattern to use? Start with a comprehensive decision guide.
View
Patterns
The How
Atomic, non-opinionated techniques. Short, factual descriptions of specific implementations.
View
Foundations
Core Principles
Found—
ations
Core principles that shape how we think about building for the web.
Expert Knowledge
Comprehensive guides to navigate complex frontend decisions and solve common architecture problems.
Gui/
des
Full Library
Patterns
25
Patterns
8
Categories
01 6 Patterns
Accessibility
Patterns for building interfaces that work for everyone, including users with disabilities and assistive technologies.
02 4 Patterns
Components
Patterns for building, composing, and structuring UI components in modern component-based architectures.
03 4 Patterns
Fundamentals
Core architectural concepts that inform how you structure and organize frontend code.
04 3 Patterns
Performance
Optimization patterns for faster loading and smoother interactions through code splitting, lazy loading, and memoization.
05 5 Patterns
Resilience
Patterns for handling errors, failures, and loading states gracefully in production applications.
06 1 Pattern
Routing
Patterns for handling navigation and URL management in single-page applications without page refreshes.
07 1 Pattern
Styling
Approaches to managing CSS in component-based applications, from CSS Modules to utility-first strategies.
08 1 Pattern
Testing
Patterns for verifying that your components and applications work as intended with reliable, maintainable tests.
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