Build fast, responsive web applications. Explore how web browsers parse HTML/CSS, execute JavaScript runtimes, manage state, communicate via REST APIs, and handle HTTP/HTTPS protocols.
Learn what an API is, how APIs work under the hood, REST APIs, HTTP request-response cycles, authentication tokens, and real-world examples.
Discover what JSON is, syntax rules, valid data types, how to parse and stringify JSON in JavaScript and Python, and differences from XML.
Understand how the Hypertext Transfer Protocol (HTTP) works, headers, request methods, 200/400/500 status codes, and HTTP/1.1 vs HTTP/2 vs HTTP/3.
Learn how HTTPS secures the web with TLS encryption, public/private key pairs, certificates, and the step-by-step TLS handshake process.
Learn what REST (Representational State Transfer) is, RESTful design principles, statelessness, resource naming conventions, and best practices.
A detailed breakdown of how web browsers fetch, parse, and render web pages. Learn about the DOM, CSSOM, Render Tree, Layout, and Paint phases.
An architectural comparison of JSON and XML. Understand the differences in syntax, verbosity, data typing, schema validation, and when to use each.