What is HTML? Introduction to HTML with Examples

HTML, (HyperText Markup Language) is a markup language used to create Internet documents that we can see from browsers.

The source of all pages on the Internet is HTML.
HTML code does not mean anything without a browser.
HTML documents are edited with any text editor and saved with extensions such as * .htm, * .HTML, * .sHTML. For this purpose, editors such as notepad, wordpad are enough.
Every HTML documents starts with <HTML> and ends with </ HTML>.
The commands <> are called tags.
An HTML document consists of two main parts: The header section is located between the <head>. . .</ head> tags; The Body Section located between <body>. . . </ body> tags. <title>… </title> tags is placed into the header section.. title appears at the top of our browser and is the title of the generated page.

Example

<html>
<head>
<title>Page Title</title>
</head>
<body><h1>My First Heading</h1>
<p>My first paragraph.</p></body>
</html>

Example Explained

The <!DOCTYPE html>is a document type declaration and it tells the browser know which version of HTML you’re using (HTML5, in this case).
The <html> element is the main element of an HTML page
The <head> element is a container for metadata (data about data)
The <title> the element defines the title of the document and is required in all HTML/XHTML documents.
The <body> the element contains the visible page content
The <h1> the element defines a large heading
The <p> the element defines a paragraph

HTML Tags

HTML tags are the hidden keywords inside a web page that define how your web browser must format and show the content.

<tagname>content goes here...</tagname>

A web browser is a software application specifically to read HTML documents and displaying the resulting Web page.

<html>
<head>
<title>Systemconf</title>
</head>
<body><h1>My First Heading</h1>
<p>My first paragraph.</p></body>
</html>

The following is a representation of an HTML page structure:

Note: Only the content inside the <body> section is shown in a browser