1. HTML Basics

2. Text and Formatting

3. Links and References

4. Multimedia Content

5. HTML Lists

6. Tables and Structures

7. Forms and Input

8. Attributes and Metadata

9. Comments and Code

10. Embedding and Integration

11. Styling and Layout

12. Data and Interaction

13. HTML5 Enhancements

14. Geolocation and Drag & Drop

15. Storage and Workers

16. Server and Events

17. Graphics and Visualization

18. Media and Accessibility

19. Entities and Encoding

20. Performance and Best Practices

21. Form Elements and Enhancements

22. Audio and Video

23. Storage and Data Management

24. Canvas and SVG