Hypertext Markup Language | Structure and Common HTML Elements - Tags and Attributes - Rendering in Web Browsers - Key points about HTML

Hypertext Markup Language (HTML):

Hypertext Markup Language (HTML) is the standard markup language used to create and design documents on the World Wide Web. It is the basic building block of web development and provides a standardized way to structure content on the internet. 

Here are some key points about HTML:

1. Markup Language:

HTML is a markup language that uses tags to structure content. It consists of a set of elements, each represented by a tag, which defines the purpose or meaning of the content enclosed within it.

2. Structure of HTML Document:

An HTML document is structured with a specific set of elements. The basic structure includes the `<html>`, `<head>`, and `<body>` elements. The `<html>` element wraps the entire document, `<head>` contains meta-information, and `<body>` contains the content.

     html

     <!DOCTYPE html>

     <html>

       <head>

         <title>Page Title</title>

       </head>

       <body>

         <h1>This is a Heading</h1>

         <p>This is a paragraph.</p>

       </body>

     </html>

Hypertext Markup Language

3. HTML Tags:

Tags are used to define HTML elements. They are enclosed in angle brackets (`< >`). Tags usually come in pairs – an opening tag and a closing tag.

     html

     <tagname>Content goes here</tagname>  

4. Common HTML Elements:

Some common HTML elements include headings (`<h1>`, `<h2>`, ...), paragraphs (`<p>`), lists (`<ul>`, `<ol>`, `<li>`), links (`<a>`), images (`<img>`), and more.

5. Attributes:

HTML elements can have attributes that provide additional information about the element. Attributes are added to the opening tag of an element and are often used for styling, linking, or providing metadata.

6. Versioning:

HTML has evolved through different versions. The latest version, as of my last update in January 2022, is HTML5. Each version introduces new features and improvements.

7. Rendering in Web Browsers:

Web browsers interpret and render HTML documents to display web pages. They follow the structure and instructions provided by the HTML code to present the content to users.

8. Cascading Style Sheets (CSS) and JavaScript:

While HTML provides the structure of a web page, Cascading Style Sheets (CSS) are used for styling and layout, and JavaScript adds interactivity and dynamic behavior.

HTML is a foundational technology for web development, forming the backbone of web pages and enabling the creation of structured and interactive content on the internet.