HTML5 Semantics

HTML5 introduced several new semantic elements that provide more meaning and structure to the content of a web page. These elements help improve accessibility, search engine optimization, and overall organization. Here are some of the key semantic elements in HTML5:

1. <header>: Represents the introductory content or a container for a group of introductory content, typically containing the site title, logo, navigation, or other header-related elements.
2. <nav>: Defines a section of navigation links, typically used for site navigation menus.
3. <main>: Represents the main content of the document, excluding headers, footers, and sidebars. Each HTML document should have only one <main> element.
4. <section>: Defines a standalone section of a document, such as chapters, tabbed content, or thematic groups. It helps organize content into meaningful sections.
5. <article>: Represents a self-contained composition that can be independently distributed or syndicated. It can represent blog posts, news articles, forum posts, or any other similar content.
6. <aside>: Represents content that is tangentially related to the main content and can be considered separate from it. It often appears as sidebars, pull quotes, or related content sections.
7. <footer>: Defines the footer of a document or a section, typically containing copyright information, contact details, or other relevant information.
8. <figure>: Represents self-contained content, such as images, illustrations, diagrams, or code snippets, that is referenced in the main content. It is often accompanied by a <figcaption> to provide a caption or description.
9. <figcaption>: Represents a caption or description for a <figure> element, providing context or additional information.
10. <time>: Represents a specific date, time, or duration. It can be used to mark up publication dates, event timings, or other time-related information.
11. <mark>: Highlights or marks a specific section of text, typically for highlighting search terms or indicating important information.
12. <progress>: Represents the progress of a task or process, such as file uploads, form completion, or loading indicators.
13. <meter>: Represents a scalar measurement within a known range, such as ratings, progress bars, or performance indicators.
14. <details>: Represents additional information or disclosure content that can be shown or hidden. It often consists of a summary and content that can be expanded or collapsed.
15. <summary>: Provides a summary or caption for the details element, acting as a visible heading for the associated details content.

These are just a few examples of the semantic elements introduced in HTML5. By using these elements appropriately, you can give more meaning and structure to your HTML documents, making them more accessible, SEO-friendly, and easier to understand for both humans and machines.