HTML <link> Tag
<link> tag represents a link to an external resource.
<link> tag is often used for linking to an external style sheet, but it can also be used for other purposes such as assisting search engines by providing links to relevant resources, and providing information on the website's navigational structure, etc.
<link> tag can be used to create what is referred to as a "hyperlink", it is not used for creating the "clickable" hyperlink that most web users are familiar with. To create such a link, use the
<link> tag is typically written as
<link rel="" href=""> (no end tag). The
rel attribute specifies the relationship between the document containing the hyperlink and the destination resource. The
href attribute specifies the address of the hyperlink. See below under "Template" for other attributes that can be used with the
Basic tag usage
<link> tag can be placed either whereever metadata is expected or in a
<noscript> element that is a child of a
Here is a typical usage of the
<link> element, which links to an external style sheet.
Attributes can be added to an HTML element to provide more information about how the element should appear or behave.
<link> element accepts the following attributes.
|Specifies the URL of the resource document.|
|This attribute is a CORS settings attribute. CORS stands for Cross-Origin Resource Sharing. The purpose of the
If this attribute is not specified, CORS is not used at all.
An invalid keyword and an empty string will be handled as the
|Describes the relationship between the current document and the destination URI. Multiple values can be provided, separated by a space.
|Reverse link relationship of the destination resource to this document (or subsection/topic).|
|Specifies which media the target URL uses. Only to be used when the
[The value must be a valid media query. The default value is
|Represents a cryptographic nonce ("number used once") which can be used by Content Security Policy to determine whether or not an external resource specified by the link will be loaded and applied to the document. The value is text.|
|Language code of the destination URL. Purely advisory. The value must be a valid RFC 3066 language code.|
|The MIME type of content at the link destination. Purely advisory.|
|Referrer policy for fetches initiated by the element.|
|Specifies the sizes of icons for visual media. Can be used for favicons. Multiple values can be provided, as long as they're separated by a space.
The following attributes are standard across all HTML elements. Therefore, you can use these attributes with the
<link> tag , as well as with all other HTML tags.
For a full explanation of these attributes, see HTML 5 global attributes.
Event handler content attributes enable you to invoke a script from within your HTML. The script is invoked when a certain "event" occurs. Each event handler content attribute deals with a different event.
Most event handler content attributes can be used on all HTML elements, but some event handlers have specific rules around when they can be used and which elements they are applicable to.
For more detail, see HTML event handler content attributes.