Web Development Technologies

Web development refers to building, creating, and maintaining websites. It includes aspects such as web design, web publishing, web programming, and database management. It is the creation of an application that works over the internet, i.e., websites.

Core Concepts of Web Development Technologies

• Web Browser: The web browser is an application software that runs on the client's or user's machine. It provides an interface for sending requests to the server. It renders the web pages sent by the server.
• Web Server: A Web Server is a system that runs 24*7 to deliver webpages as requested by users. To make a server, first we do coding in any scripting language like Node.js and we host/shift it remotely on some cloud-based server service such as GitHub, Versal, etc.
• Web Protocols: Web protocols are standardized rules that govern how data is exchanged between devices on the internet. For example, HTTP (HyperText Transfer Protocol) and HTTPS (Secure HTTP) are protocols that allow browsers and servers to transfer data.
• Databases: Databases are a place where a website's data is stored. For example, user details, product details, etc. Some popular databases are Oracle Database, MongoDB, etc.
• Web Security: Web Security is the practice of protecting websites, web applications, and online services from attacks, unauthorized access, and data breaches.

Web Development Classified into Two Sections:

Frontend Development:

In this module, we explore the core technologies that run in the user’s browser—the client side—including how web pages are structured, styled, and made interactive, building everything users see and interact with.

• HTML (HyperText Markup Language): HTML is the language used to create the basic structure and content of web pages. It uses elements, tags, and attributes to organize text, images, and links.
• CSS (Cascading Style Sheets): CSS is used to style the HTML content. It controls colors, fonts, layouts, and how the page looks on different devicesMore importantly, CSS enables you to do this independent of the HTML that makes up each web page.
• JS (JavaScript): JavaScript adds life to web pages by making them interactive. It handles things like buttons, animations, and form checks.

Backend Development:

In this module, we will explore the technologies that work behind the scenes on the server to handle data, run the website, and store information.

Server-Side Programming Languages

In Backend Development, Server-side programming languages are used to write code that runs on the server, not in the user’s browser. This server-side scripting handles tasks like processing data, managing databases, and controlling how the website works behind the scenes

Below are some popular languages used to build the back end of web applications:

• JavaScript/Node.js: JavaScript is a popular programming language mainly used to add interactivity on the client side (in browsers). With Node.js, JavaScript can also run on the server side. Node.js is an open-source environment that allows JavaScript to build fast, scalable back-end services like APIs. Many big companies like PayPal, Uber, and Netflix use Node.js for their server-side code.
• PHP: PHP is a server-side scripting language designed specifically for web development. Since PHP code executed on the server-side, so it is called a server-side scripting language.
• Python: Python is a programming language that lets you work quickly and integrate systems more efficiently.
• Ruby: An object-oriented programming language designed to be simple and natural to use. Ruby helps developers write clean and readable code.
• Java: Java is one of the most popular and widely used programming languages and platforms. It is highly scalable. Java components are easily available.
• Golang(Go): Golang is a procedural and statically typed programming language having the syntax similar to C programming language. Sometimes it is termed as Go Programming Language.
• C#: A modern, object-oriented language often used to build web applications on Microsoft platforms.

Databases

A database is where a website’s data like user's data, product's data are stored and organized. It is part of the backend (server side) that manages and keeps this information safe. Websites use databases to save and access information like user details, content, and transactions. Some databases organize data in tables (called relational databases, like MySQL), while others store data in flexible formats (called NoSQL databases, like MongoDB).

There are basically two types of databases:

1. SQL/Relational Database

A relational database stores data in tables, similar to a spreadsheet, where each table has rows and columns. The rows hold individual records, and the columns define the data attributes. Tables can be linked to each other through special keys, allowing related data to be connected.

• MySQL: MySQL is an open-source relational database management system that uses SQL for managing structured data. It’s known for its reliability, ease of use, and performance, widely used in web applications.
• Postgre SQL: PostgreSQL is a powerful, open-source relational database that supports advanced SQL features and complex queries. It handles structured data, ensures ACID compliance, and is known for its reliability and extensibility.
• MariaDB: MariaDB is an open-source relational database that evolved from MySQL, offering improved performance, security, and features. It supports SQL queries, ACID compliance, and is highly compatible with MySQL.

2. NoSQL Databases

A NoSQL database stores data in a flexible, non-tabular format, unlike traditional relational databases. Instead of using tables with rows and columns, NoSQL databases might use documents, key-value pairs, wide-columns, or graphs to store data. This allows them to handle large amounts of unstructured or semi-structured data efficiently. They are designed to scale easily and manage big data applications.

• Mongodb: MongoDB is a NoSQL database storing data in JSON-like documents. It handles unstructured data, supports powerful queries, and scales easily across servers, making it popular for flexible, scalable applications.
• Cassandra: Apache Cassandra is an open-source NoSQL database that is used for handling big data. It has the capability to handle structure, semi-structured, and unstructured data.
• Redis: Redis is an in-memory NoSQL database known for its speed. It supports various data structures like strings, hashes, and lists, making it ideal for caching, real-time analytics, and messaging.

Note: We use Database management systems help keep the data safe, organized, and easy to use.

APIs and Data Exchange Formats

During Website development, different software components and web applications constantly need to communicate and share information. For instance, the frontend of your web application (running in the user's browser) needs to get data from the backend (running on a server), or your application might need to fetch information from a third-party service like a weather provider or a payment gateway. This communication is made possible through Application Programming Interfaces (APIs) and standardized Data Formats.

Data Exchange formate for API Communication: When applications communicate via APIs, they need a common, structured way to represent the data being exchanged. This is where data formats come in.

Below are two common data formats used extensively in web development for API communication:

• JSON: JSON or JavaScript Object Notation is a format for structuring data.
• XML: Extensible Markup Language (XML) is a markup language that defines a set of rules for encoding documents in a format that is both human-readable and machine-readable.

Version Control and Deployment

Developing a web application involves more than just writing code. Two critical processes that ensure a smooth, organized, and reliable development workflow are Version Control and Deployment.

Version control helps manage the evolution of your codebase, especially when working in teams, while deployment is the process of making your web application accessible to the world. Modern development practices tightly integrate these two concepts, often through automation.

Graphics

Graphical elements are one of the key feature of any webpage. They can be used to convey important points better than text does and beautify the webpage.

• Canvas: The HTML “canvas” element is used to draw graphics via JavaScript.
• SVG: SVG stands for Scalable Vector Graphics. It basically defines vector-based graphics in XML format.

History of Web Development

If you are interested to know more, check detailed article on history and evolution of web technology.

Some Important Links on Web Technology

• How can I start to learn Web Development?
• 10 Best Web Development Project Ideas For Beginners [2025]
• Web 1.0, Web 2.0 and Web 3.0 with their difference
• Top Trends in Web Development
• Top 9 Technologies Transforming the Future of Web Development

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