What is Web Dev
Web development is the process of building websites and web applications. It encompasses everything from creating a simple static page to building complex interactive platforms.
There are three core technologies that every web developer works with:
HTML (HyperText Markup Language) provides the structure. It defines what content appears on the page — headings, paragraphs, images, linksDLLs and more. Think of it as the skeleton of a webpage.
CSS (Cascading Style Sheets) controls the presentation. It determines how content looks — colors, fonts, spacing, layout. CSS transforms a plain document into a visually appealing design.
JavaScript adds interactivity. It makes pages respond to user actions — form validation, animations, dynamic content loading. JavaScript turns static pages into applications.
These three technologies work together in a clear separation of concerns:
When someone visits a website, their browser downloads these files from a web server, interprets them, and renders the result on screen. This happens in milliseconds, thousands of times per day, for billions of users.
Modern web development has expanded far beyond these basics — frameworks, build tools, APIs, databases — but every website still relies on this fundamental trio.