Understand core structure and basic tags

1. What is HTML , History of HTML & HTML versions
2. HTML document structure
3. HTML elements & tags
4. Attributes (global & element-specific)
5. Headings , Paragraphs & line breaks
6. Text formatting
7. Comments in HTML
8. HTML entities
9. Whitespace handling
10. Case sensitivity in HTML
11. Basic HTML file creation
12. Browser rendering basics
13. HTML validation basics

Build content-rich pages

1. Anchor tag , Target attribute
2. Image tag , Image attributes
3. Audio tag , Video tag
4. Embedding external content
5. Ordered lists , Unordered lists , Description lists , Nested lists
6. Favicons
7. <figure> & <figcaption> <iframe>
8. Accessibility basics for media

Work with structured data & user input

1. <table>, <tr>, <td>, <th>
2. Table captions , Table headers & footers , rowspan & colspan
3. Table semantics
4. <form> element
5. Form attributes (action, method)
6. Input types (text, email, password, number)
7. Radio & checkbox
8. Select & option
9. Textarea
10. Label association
11. Button types
12. Required & readonly attributes
13. Form validation basics

Write clean, meaningful, SEO-friendly HTML

1. What is HTML5
2. <header>
3. <nav>
4. <section>
5. <article>
6. <aside>
7. <footer>
8. <main>
9. <time>
10. <mark>
11. <details> & <summary>
12. <progress> & <meter>
13. HTML5 form enhancements
14. SEO importance of semantics

Industry-grade HTML usage

1. Web accessibility (WCAG basics)
2. ARIA roles
3. alt text best practices
4. Semantic HTML for screen readers
5. Meta tags
6. Open Graph tags
7. SEO-friendly structure
8. Heading hierarchy rules
9. Clean & readable HTML
10. Inline vs block elements
11. Deprecated tags
12. Cross-browser compatibility
13. Performance considerations
14. HTML linting tools
15. Code maintainability

Master HTML in real-world environments

1. HTML with CSS integration
2. HTML with JavaScript integration
3. Data attributes (data-*)
4. HTML templating basics
5. HTML in frameworks (React/Vue usage)
6. Shadow DOM overview
7. Web Components basics
8. Custom elements
9. Progressive enhancement
10. Graceful degradation
11. HTML security concerns
12. XSS prevention basics
13. HTML forms with backend
14. HTML optimization techniques
15. Real-world HTML interview scenarios