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An HTML element is defined by a start tag, some content, and an end tag.
The HTML element is everything from the start tag to the end tag:
<tagname>Content goes here…</tagname>
Examples of some HTML elements:
<h1>My First Heading</h1>
<p>My first paragraph.</p>
| Start tag | Element content | End tag |
|---|---|---|
| <h1> | My First Heading | </h1> |
| <p> | My first paragraph. | </p> |
| <br> | none | none |
Note: Some HTML elements have no content (like the <br> element). These elements are called empty elements. Empty elements do not have an end tag!
HTML elements can be nested (this means that elements can contain other elements). All HTML documents consist of nested HTML elements. The following example contains four HTML elements (<html>, <body>, <h1> and <p>):
<!DOCTYPE html> <html> <head> <title>Page Title</title> </head> <body> <h1>My First Heading</h1> <p>My first paragraph.</p> </body> </html>
The <html> element is the root element and it defines the whole HTML document. It has a start tag <html> and an end tag </html>. Then, inside the <html> element there is a <body> element:
<body> <h1>My First Heading</h1> <p>My first paragraph.</p> </body>
The element defines the document's body. It has a start tag and an end tag . Then, inside the element there are two other elements: and :
<h1>My First Heading</h1> <p>My first paragraph.</p>
Some HTML elements will display correctly, even if you forget the end tag:
<html> <body> <p>This is a paragraph <p>This is a paragraph </body> </html>
However, never rely on this! Unexpected results and errors may occur if you forget the end tag!
HTML elements with no content are called empty elements. The <br> tag defines a line break, and is an empty element without a closing tag:
<p>This is a <br> paragraph with a line break.</p>
HTML tags are not case sensitive: <P> means the same as <p>. The HTML standard does not require lowercase tags, but W3C recommends lowercase in HTML, and demands lowercase for stricter document types like XHTML.
W3Schools always use lowercase tag names.
W3Schools' tag reference contains additional information about these tags and their attributes.
| Tag | Description |
|---|---|
| <html> | Defines the root of an HTML document |
| <body> | Defines the document's body |
| <h1> to <h6> | Defines HTML headings |
For a complete list of all available HTML tags, visit HTML Tag Reference.