4. Web Development

4.1 Web Frameworks

4.2 Template Engines

4.3 Web design

4.4 CSS Frameworks

4.5 JavaScript

4.6 Task queues

4.7 Static site generators

4.8 Testing

4.9 Networking

4.10 Web APIs

4.11 API creation

4.12 API integration

4.13 Web application security

5. Web App Deployment

5.1 Hosting

5.2 Virtual Private Servers (VPSs)

5.3 Platform-as-a-Service

5.4 Operating systems

5.5 Web servers

5.6 WSGI servers

5.7 Continuous integration

5.8 Configuration management

5.9 Containers

5.10 Serverless Architectures

6. DevOps

6.1 Monitoring

6.2 Web App Performance

7. Meta