1. Frontend Development
HTML5 (Semantic HTML, Forms, Accessibility)
CSS3 (Flexbox, Grid, Animations, Responsive Design)
JavaScript (ES6+) (Async/Await, Promises, DOM Manipulation)
Frontend Frameworks/Libraries:
React.js (Hooks, Context API, Redux)
Vue.js (Vuex, Composition API)
Angular (RxJS, Dependency Injection)
State Management (Redux, Zustand, Context API)
CSS Preprocessors (SASS, LESS)
Build Tools (Webpack, Vite, Parcel)
Static Site Generators (Next.js, Gatsby)
Web Performance Optimization (Lazy Loading, Code Splitting, Caching)
Progressive Web Apps (PWA) (Service Workers, Offline Support)
Web Accessibility (A11y) (ARIA, Screen Readers)
Testing (Jest, Cypress, React Testing Library)
2. Backend Development
Server-Side Languages:
Node.js (Express, NestJS)
Python (Django, Flask)
PHP (Laravel, Symfony)
Java (Spring Boot)
C# (.NET Core)
Databases:
SQL (PostgreSQL, MySQL)
NoSQL (MongoDB, Firebase)
ORMs (Prisma, Sequelize, Mongoose)
APIs:
RESTful API Design
GraphQL (Apollo, Hasura)
WebSockets (Socket.io)
Authentication & Authorization (JWT, OAuth, Passport.js)
Security Best Practices (CORS, CSRF, SQL Injection, XSS)
Caching (Redis, Memcached)
Microservices & Serverless (Docker, Kubernetes, AWS Lambda)
Deployment & DevOps (CI/CD, GitHub Actions, AWS, Heroku)
3. Full-Stack Development
MERN/MEAN Stack (MongoDB, Express, React/Angular, Node.js)
Jamstack Architecture (JavaScript, APIs, Markup)
Real-Time Apps (WebSockets, Firebase)
Headless CMS (Strapi, Sanity, Contentful)
Version Control (Git, GitHub/GitLab)
Performance & Scalability (Load Balancing, CDN)
SEO Best Practices (Server-Side Rendering, Meta Tags)
4. Modern Trends
Web3 & Blockchain (Smart Contracts, Ethereum, Solidity)
AI in Web Dev (Chatbots, TensorFlow.js)
WebAssembly (Wasm) (High-Performance Web Apps)
Motion UI & Animations (Framer Motion, GSAP)
Low-Code/No-Code Tools (Bubble, Webflow)
5. Soft Skills & Best Practices
Clean Code Principles
Agile & Scrum Methodologies
Cross-Browser Compatibility
Mobile-First Development
Debugging & DevTools Mastery
Learning Resources
MDN Web Docs (Best for fundamentals)
freeCodeCamp (Hands-on projects)
Frontend Masters / Udemy (Advanced courses)
YouTube (Traversy Media, The Net Ninja)