Web Development
Web development covers the conception, design and programming of websites, web applications and web APIs – from simple landing pages to complex SaaS platforms.
The web is the universal platform: any device with a browser can run web applications – no installation, no app store, cross-platform. Web development today is much more than static sites: complex single-page applications, progressive web apps, e-commerce platforms and SaaS are built with modern web technologies and rival native apps in functionality and performance.
What is Web Development?
Web development is the full process of creating and maintaining applications that are used over the internet or in a web browser. It is split into frontend (what the user sees and uses – HTML, CSS, JavaScript/TypeScript, React, Vue, Angular), backend (server logic, databases, APIs – Node.js, Python, Java, PHP) and fullstack (both). Modern web development also includes DevOps: CI/CD, hosting, performance and security. Frameworks like Next.js, Nuxt or SvelteKit combine frontend and backend in one stack.
How does Web Development work?
The user enters a URL in the browser. The browser sends an HTTP request to the web server. The backend processes the request, reads from the database, applies business logic and returns a response (HTML, JSON or both). The browser renders the response and runs JavaScript to make the page interactive. In single-page applications (SPAs) the browser loads the app once and then talks to the backend via APIs without full page reloads. Server-side rendering (SSR) combines both: the first page is rendered on the server (good for SEO), then the SPA takes over in the browser.
Practical Examples
Corporate website: A mid-size company gets a fast Next.js site with CMS (headless CMS) – quick load, SEO-friendly and editable by marketing.
SaaS platform: A project management tool is built as a web app with React frontend, NestJS backend and PostgreSQL – usable worldwide in the browser.
E-commerce: An online shop with custom needs (configurator, B2B pricing) is built as a custom web app instead of hitting Shopify limits.
Customer portal: An insurer offers a self-service portal where customers view contracts, report claims and upload documents.
Internal tools: A logistics company replaces Excel with a web app for route planning that optimises drivers, orders and routes in real time.
Typical Use Cases
Corporate websites: Professional online presence with modern tech and CMS
Web applications: Complex business applications (CRM, ERP, portals) as browser-based solutions
E-commerce: Online shops with custom requirements, payments and inventory
SaaS products: Scalable software delivered as a web application worldwide
Progressive Web Apps: Web applications with a native app-like experience (offline, push, installable)
Advantages and Disadvantages
Advantages
- Cross-platform: One application for all devices and operating systems
- No installation: Users access immediately via the browser – no app store, no download
- Instant updates: Changes are live for all users after deployment
- SEO: Web content is indexed by search engines and can attract organic traffic
- Large developer community: Rich ecosystem of frameworks, libraries and tools
Disadvantages
- Browser limits: Web apps have less access to device features than native apps
- Performance: For very demanding graphics, web can lag behind native
- Offline limits: Despite service workers, offline capabilities are limited
- Fragmentation: Different browsers and versions require broad testing
Frequently Asked Questions about Web Development
What does web development cost?
Which technologies should you use for web development?
Web app or native app – which is better?
Related Terms
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