Comprehensive HTML Roadmap

1. Basics of HTML

• Introduction to HTML
  • Understanding HTML and its Role
  • Setting up a Development Environment
• Basic HTML Structure
  • DOCTYPE Declaration
  • HTML, Head, and Body Tags
  • Meta Tags
• Common HTML Elements
  • Headings (h1, h2, h3, etc.)
  • Paragraphs (p)
  • Links (a)
  • Lists (ul, ol, li)
  • Images (img)
  • Line Breaks (br) and Horizontal Rules (hr)

2. HTML Formatting and Semantics

• Text Formatting
  • Bold (b), Italic (i), Underline (u), Strong (strong), Emphasis (em)
• Semantic Elements
  • Header (header), Nav (nav), Main (main), Section (section), Article (article), Aside (aside), Footer (footer)
• Grouping Content
  • Div (div) and Span (span)

3. Forms and Input

• Basic Form Structure
  • Form Tag (form)
  • Input Elements (input, textarea, select, option, button)
• Form Attributes
  • Action, Method, Target
• Form Validation
  • Required Fields, Pattern Matching, Input Types (email, number, date, etc.)

4. Media Elements

• Images
  • Adding and Formatting Images
• Audio and Video
  • Embedding Audio (audio)
  • Embedding Video (video)
  • Using the Source (source) Tag
• Canvas and SVG
  • Drawing Graphics with Canvas (canvas)
  • Scalable Vector Graphics (svg)

5. Tables

• Basic Table Structure
  • Table (table), Table Row (tr), Table Data (td), Table Header (th)
• Table Attributes and Styling
  • Colspan, Rowspan, Table Borders, Cell Padding and Spacing

6. Links and Navigation

• Creating Links
  • Internal and External Links
  • Linking to Sections within the Same Page
• Navigation Bars
  • Creating a Basic Navigation Bar

7. HTML5 New Features

• HTML5 Semantic Elements
  • Figure (figure), Figcaption (figcaption), Mark (mark), Time (time)
• HTML5 APIs
  • Geolocation, Drag and Drop, Local Storage

8. Accessibility

• ARIA Landmarks
  • Role Attribute
• Accessible Forms
  • Labels, Fieldsets, Legends
• Using Semantic HTML for Better Accessibility

9. Best Practices

• Code Organization
  • Consistent Indentation, Commenting, and Readable Code
• SEO Best Practices
  • Using Meta Tags, Alt Attributes for Images, Proper Heading Hierarchy

10. Advanced Topics

• Responsive Design
  • Meta Viewport Tag, Media Queries, Flexbox, Grid Layout
• Performance Optimization
  • Minifying HTML, Reducing HTTP Requests, Lazy Loading Images

11. Project Building

• Building Simple Web Pages
  • Personal Portfolio, Blog Page
• Developing Complex Projects
  • E-Commerce Product Page, Web Application UI

12. Continuous Learning

• Staying Updated with HTML5
  • Follow Web Standards and W3C Recommendations
• Learning Resources
  • MDN Web Docs, W3Schools, HTML5 Rocks

This comprehensive roadmap provides a structured approach to mastering HTML, from basic concepts to advanced techniques. Adjust the roadmap according to your learning pace and goals. Happy coding!