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# HTML `` href Attribute The `` tag's `href` attribute is a powerful HTML feature used to establish a document-wide base URL. This tutorial explains how to use the `href` attribute of the `` element to manage relative paths efficiently across your web pages. --- ## Introduction The `href` attribute specifies the **base URL** for all relative URLs contained within a document. When a browser encounters a relative link (such as `` or ``), it resolves it against the URL specified in the `` tag rather than the current page's directory. --- ## Browser Support The `href` attribute of the `` tag is universally supported across all modern and legacy web browsers: * Google Chrome * Mozilla Firefox * Microsoft Edge / Internet Explorer * Safari * Opera --- ## Syntax and Usage The `` tag must be placed inside the `` element of your HTML document. There can be at most one `` element in a document. ```html ``` ### Attribute Values | Value | Description | | :--- | :--- | | `URL` | An absolute URL (e.g., `https://www.example.com/assets/`) that serves as the base prefix for all relative paths on the page. | --- ## Code Examples ### Example 1: Resolving Relative Image and Link Paths In this example, the base URL is set to `https://www.youtip.co/images/`. Even though the image and link sources are written as relative paths, the browser automatically prepends the base URL to resolve them. ```html

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``` --- ## Important Considerations When using the `` attribute, keep the following best practices and behaviors in mind: 1. **Single Instance Only:** A document is allowed to have only one `` element. If multiple `` tags are defined, only the first one is used; others are ignored. 2. **Placement Matters:** The `` element must be placed inside the `` block, and it should ideally appear *before* any other elements that refer to external resources (such as `` or `