Lesson 1.1: What is Web Development?
๐น Introduction
Web development is the process of building and maintaining websites. It involves everything from creating simple static pages to developing complex web applications, e-commerce platforms, and social media networks.
A website is made up of three main layers: Frontend, Backend, and Database. A developer may specialize in one area, or work across all areas (Full Stack).
๐น Types of Web Development
1. Frontend Development (Client-Side)
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Focus: What users see on their screen (user interface).
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Technologies: HTML, CSS, JavaScript.
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Responsibilities:
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Designing layouts and navigation
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Styling with colors, fonts, and images
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Making websites interactive with animations and buttons
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Example: The look and feel of a Facebook login page.
2. Backend Development (Server-Side)
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Focus: Behind-the-scenes logic and database management.
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Technologies: Node.js, PHP, Python, Java, Databases (MySQL, MongoDB).
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Responsibilities:
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Handling requests from the frontend
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Managing user authentication and data storage
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Processing payments, queries, or business logic
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Example: When you log into Facebook, the server checks your email and password in the database.
3. Full Stack Development
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A Full Stack Developer works on both frontend and backend.
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Skills required:
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HTML, CSS, JavaScript (Frontend)
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Node.js / Python / PHP + Database (Backend)
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Advantage: Can build a complete web application independently.
๐น Why is Web Development Important?
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Every business today needs an online presence.
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High demand in IT jobs and freelancing markets.
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Easy to start as only a browser and text editor are needed.
๐ Quick Recap
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Frontend โ User Interface (HTML, CSS, JS)
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Backend โ Server-side logic & databases
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Full Stack โ Both frontend + backend
