A hyperlink, also known as a link, is a digital reference to data that the user can follow or be guided to by clicking or tapping. It is a clickable pointer to a resource, such as a webpage or document, that contains an address for a destination and acts as a reference to data. Hyperlinks can be a piece of text, an image, an icon, or a graphic that, when clicked, points to and navigates the user to a different webpage or document. They can also point to a specific section or element within the same webpage or document. Hyperlinks are a foundational concept behind the web and are used to allow easy jumping from one document to another. They are used to implement reference mechanisms such as tables of contents, footnotes, bibliographies, indexes, letters, and glossaries. Hyperlinks are crucial for improving a websites SEO, along with its backlink profile.