What is Html ?

1. Introduction — What is HTML?

HTML stands for HyperText Markup Language. It is the standard markup language used to create and structure content on the World Wide Web.

Provides the skeleton of a web page
Browsers read HTML and render the structured content visually
Works together with CSS (style) and JavaScript (interactivity)

2. Brief History

Early 1990s — Tim Berners-Lee created the first version of HTML.
2000s — HTML evolved; XHTML introduced.
2014 — HTML5 became W3C standard.
Today — HTML5 is maintained as a living standard.

3. Basic Structure of an HTML Document

<!doctype html>
<html lang="en">
  <head>
    <meta charset="utf-8">
    <title>Page Title</title>
    <meta name="viewport" content="width=device-width, initial-scale=1">
  </head>
  <body>
    <h1>Hello, world!</h1>
    <p>This is a simple HTML page.</p>
  </body>
</html>

4. HTML Elements and Tags

HTML uses elements, defined by tags:

<p>This is a paragraph.</p>

Example of attributes:

<a href="https://example.com" target="_blank">Visit</a>
<img src="photo.jpg" alt="A photo" width="400">

HTML Basic Examples In this chapter we will show some basic HTML examples. Don't worry if we use tags you have not learned about yet. HTML Documents All HTML documents must start with a document type declaration: . The HTML document itself begins with and ends with . The visible part of the HTML document is between and . Example

My First Heading

My first paragraph.

The Declaration The declaration represents the document type, and helps browsers to display web pages correctly. It must only appear once, at the top of the page (before any HTML tags). The declaration is not case sensitive. The declaration for HTML5 is: HTML Headings HTML headings are defined with the

to

tags.

defines the most important heading.

defines the least important heading: Example

This is heading 1

This is heading 2

This is heading 3

ADVERTISEMENT REMOVE ADS HTML Paragraphs HTML paragraphs are defined with the

tag: Example

This is a paragraph.

This is another paragraph.

HTML Links HTML links are defined with the tag: Example This is a link The link's destination is specified in the href attribute. Attributes are used to provide additional information about HTML elements. You will learn more about attributes in a later chapter. HTML Images HTML images are defined with the tag. The source file (src), alternative text (alt), width, and height are provided as attributes: Example W3Schools.com

How to View HTML Source Have you ever seen a Web page and wondered "Hey! How did they do that?" View HTML Source Code: Click CTRL + U in an HTML page, or right-click on the page and select "View Page Source". This will open a new tab containing the HTML source code of the page. Inspect an HTML Element: Right-click on an element (or a blank area), and choose "Inspect" to see what elements are made up of (you will see both the HTML and the CSS). You can also edit the HTML or CSS on-the-fly in the Elements or Styles panel that opens.