Level Up Your Frontend Engineering Career
From fundamentals to architecture, leadership to AI — your comprehensive guide to growing as a frontend engineer.
Where Are You in Your Journey?
Choose your path and discover content tailored to your experience level.
Fresh Graduate
Just starting your frontend journey? Build a strong foundation with fundamentals and best practices.
Explore path→Senior Developer
Ready to level up? Dive into architecture, design patterns, and technical leadership.
Explore path→Frontend Architect
Shape the technical direction. Master system design, team leadership, and executive communication.
Explore path→Startup Founder
Build fast, scale smart. Learn architecture decisions that will save you months down the road.
Explore path→What You'll Learn
Six pillars of frontend engineering excellence — from code to leadership.
Frontend Fundamentals
Master the core building blocks of the web: HTML, CSS, JavaScript, browser internals, and modern frameworks.
Explore sectionFrontend Architecture
Design scalable systems, choose the right patterns, and build frontend infrastructure that lasts.
Explore sectionSystem Design
Practice frontend system design with real interview questions — from autocomplete to video players to collaborative editors.
Explore sectionInterview Prep
55+ frontend interview questions with detailed answers. Practice randomly and master every topic area.
Explore sectionLeading Teams
Grow from individual contributor to technical leader. Build culture, mentor engineers, and drive impact.
Explore sectionCommunication & Influence
Tell compelling stories, present to executives, write winning proposals, and sell your technical vision.
Explore sectionAI & Frontend
Leverage AI to supercharge your workflow, build intelligent UIs, and stay ahead of the curve.
Explore sectionFeatured Articles
Hand-picked reads to accelerate your frontend journey.
How Browsers Render Web Pages
A deep dive into the browser rendering pipeline, from HTML parsing through the critical rendering path to paint and composite.
Advanced React Patterns
Custom hooks, compound components, render props vs hooks, memoization, Context patterns, Suspense, error boundaries, and React 19 Server/Client Components.
Web Performance Fundamentals
Understand Core Web Vitals, measuring tools, image optimization, caching, and critical rendering path—build faster, more responsive web applications.
Frontend System Design
A structured framework for approaching frontend system design interviews and real-world architecture decisions.
Design Systems
A comprehensive guide to building and scaling design systems: tokens, component APIs, Storybook, versioning, and adoption strategies.
Virtualization and Windowing
Master virtual scrolling for high-performance lists and tables: when to use it, library trade-offs, variable-height challenges, and integration patterns.
Performance Optimization Patterns
Comprehensive patterns for frontend performance: code splitting, lazy loading, prefetching, bundle analysis, memory management, and RUM.
Rendering Strategies
CSR, SSR, SSG, RSC, and streaming: a comprehensive guide to choosing and mixing rendering strategies for modern frontends.
Design Autocomplete / Typeahead Search
System design for building a Google-like autocomplete search component: debouncing, caching, keyboard navigation, race conditions, and mobile considerations.
Design a Social Media News Feed
System design for a Twitter/Facebook-style news feed: infinite scroll, virtualization, optimistic updates, real-time updates, lazy loading, and content ranking.
Design a Spreadsheet Application
System design for a spreadsheet like Google Sheets: virtualized grid, cell editing, formulas, undo/redo, selection, copy/paste, column/row resizing, and performance at scale.
Design a Collaborative Document Editor
System design for a collaborative editor like Google Docs: real-time sync (CRDTs vs OT), cursor presence, rich text (contentEditable vs ProseMirror/Tiptap), conflict resolution, offline, version history, comments, and permissions.
First 90 Days as a Tech Lead
A phased approach to succeeding in your first 90 days as a tech lead: listen, build relationships, and set direction.
Presenting to Executives: A Technical Leader's Guide
Learn how to structure and deliver technical presentations that resonate with executive audiences—focusing on impact, timelines, and risk.
AI-Powered Frontend Development: Tools, Workflows, and Limits
Explore the current landscape of AI tools for frontend development—from code generation to testing—and learn how to integrate AI into your workflow effectively.
The Future of Frontend Engineering with AI
How AI is reshaping frontend development — what's changing, what stays the same, and how to prepare your career for the next era.