- <meta>
- Provides metadata (charset, viewport, description, etc.)
- <link>
- Links external resources (like CSS files)
- <style>
- Adds internal CSS styling
- <script>
- Embeds or links JavaScript
- <base>
- Sets a base URL for all relative links
- <strong>
- Indicates important text (usually bold)
- <em>
- Emphasized text (usually italic)
- <b>
- Bold text (visual only, not semantic)
- <i>
- Italic text (visual only)
- <u>
- Underlined text
- <mark>
- Highlights text
- <small>
- Smaller text (fine print, disclaimers)
- <sub>
- Subscript (e.g., H₂O)
- <sup>
- Superscript (e.g., x²)
- <del>
- Deleted/strikethrough text
- <ins>
- Inserted/underlined text
- <blockquote>
- Block of quoted text
- <q>
- Inline quotation
- <cite>
- Citation or reference to a source
- <code>
- Displays code snippets inline
- <pre>
- Preformatted text (preserves spacing/line breaks)
- <figure>
- Wraps media (image, diagram, etc.)
- <figcaption>
- Caption for a figure
- <iframe>
- Embeds another webpage
- <source>
- Specifies media sources for audio/video
- <track>
- Adds subtitles/captions to media
- <embed>
- Embeds external content (like PDFs)
- <object>
- Embeds multimedia or external resources
- <details>
- Creates expandable/collapsible content
- <summary>
- Visible heading for details