HTML <h1> to <h6> tag represents HTML Headings for a web page (available level size is 1 – 6).
It is also very important for SEO which helps you to rank your website on top of the SERP (Search Engine Result Pages).
Note: <h1> to <h6> tag mostly supported in all major web browsers.
Sample Code
<h1>Text for Heading h1 here</h1>
<h2>Text for Heading h2 here</h2>
<h3>Text for Heading h3 here</h3>
<h4>Text for Heading h4 here</h4>
<h5>Text for Heading h5 here</h5>
<h6>Text for Heading h6 here</h6>
</hgroup>
Sample Result
Text for Heading h1 here
Text for Heading h2 here
Text for Heading h3 here
Text for Heading h4 here
Text for Heading h5 here
Text for Heading h6 here
Tag Specific Attributes Support
Following are few heading tag attributes that are supported by <h1> to <h6> tag.
| Attribute | Value | Description |
|---|---|---|
| align | center justify left right |
Represents the align for heading text |
Standard Attributes Support
HTML <h1> to <h6> tag supports mostly all HTML Attributes. Following are some most common attributes that are used by <h1> to <h6> tag. You can get more details about available HTML Attributes here.
| Attribute | Value | Description |
|---|---|---|
| class | user_defined | Represents a style for an element which is used in CSS style sheet |
| id | user_defined | Represents unique id for an element |
| lang | lang_code | Represents the language of the element for it’s content |
| style | css_properties | Represents an inline style for an element for e.g style=”color:red;text-decoration:underline;” |
| title | user_defined | Represents a tooltip information for an elements like img, a, abbr etc |
Event Attributes Support
The “script” is invoked when a certain “event” occurs. Each event handler content attribute deals with a different event. HTML <h1> to <h6> tag supports mostly all HTML Event Attributes. Following are some most common event attributes that are used by <h1> to <h6> tag. You can get more details about available HTML Event Attributes here.
| Attribute | Value | Description |
|---|---|---|
| onclick | script | Event Fires immediately when mouse click on the specified element |
| ondblclick | script | Event Fires immediately when mouse double-click on the specified element |
| onkeydown | script | Event Fires immediately when user is pressing a down key from keyboard |
| onkeypress | script | Event Fires immediately when user presses a key from keyboard |
| onkeyup | script | Event Fires immediately when user releases a key from keyboard |
| onmousedown | script | Event Fires immediately when mouse pointer gets down from an element |
| onmousemove | script | Event Fires immediately when mouse pointer moves over an element |
| onmouseout | script | Event Fires immediately when mouse pointer gets out from an element |
| onmouseover | script | Event Fires immediately when mouse pointer moves over an element |
| onmouseup | script | Event Fires immediately when a mouse pointer is released over an element |
