Terms of Service. For legal issues,

A Privacy Policy is a legally required document that explains how a website or app collects, uses, stores, and protects a user’s personal information. The HTML tag is the markup element used to link this mandatory policy to a webpage, usually placed in the global footer so it remains accessible from any page on the site. The HTML Implementation

To link a Privacy Policy page using HTML, web developers embed the URL of the policy inside an anchor tag. Privacy Policy Use code with caution. Why the Link Is Important

Legal Compliance: Data protection laws worldwide—such as Europe’s General Data Protection Regulation (GDPR) and the California Consumer Privacy Act (CCPA)—mandate that websites explicitly state their data collection practices.

Conspicuous Placement: Most global regulations require that the link be “conspicuously posted”. This is why nearly every online service includes an link to their policy at the very bottom of their homepage.

Platform Requirements: Major app stores, search engines, and ad networks like Facebook will block applications or advertisement campaigns from going live if a valid Privacy Policy URL is not provided. Core Elements of a Privacy Policy

When a user clicks that link, the document must explicitly state:

How to Read a Privacy Policy - California Department of Justice