Learn Web Development Visually

Master the concepts that matter in technical interviews. Interactive diagrams, animations, and the exact terminology engineers use.

10/13

Topics Available

Free

Always

Foundation (3)

🌐

HTTP/HTTPS

Request/response cycle, methods, status codes, headers, and TLS encryption

Foundation Available

🔍

DNS

How domain names resolve to IP addresses, DNS hierarchy, and caching

Foundation Available

🌍

How the Internet Works

TCP/IP stack, packets, routing, and network fundamentals

Foundation Available

Browser (2)

🖥️

Browser Rendering

DOM, CSSOM, render tree, layout, paint, and composite stages

Browser Available

🔄

JavaScript Event Loop

Call stack, task queue, microtasks, and async execution

Browser Available

APIs (3)

📡

REST APIs

Resources, endpoints, CRUD operations, and best practices

APIs Available

⚡

WebSockets

Real-time bi-directional communication and handshake process

APIs Available

◈

GraphQL

Queries, mutations, schemas, and comparison with REST

APIs Available

Security (2)

🔐

Authentication

Sessions, cookies, JWT tokens, and OAuth 2.0 flows

Security Available

🛡️

Web Security

CORS, XSS, CSRF, CSP headers, and common vulnerabilities

Security Available

Architecture (3)

💾

Caching Strategies

Browser cache, CDN, server-side caching, and cache headers

Architecture Coming soon

🗄️

Database Fundamentals

SQL vs NoSQL, indexing, transactions, and ACID properties

Architecture Coming soon

🏗️

Server Architecture

Load balancing, scaling, microservices, and deployment

Architecture Coming soon