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The Truth About Search Engine Optimization by Rebecca Lieb

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Truth 37. Tag images, video, links, and other media

Tags have become a major component of Web 2.0, the iteration of the Internet that actively encourages user involvement and participation. Tags can be associated with text, blog posts, images, video, links, and even entire web pages.

Wikipedia defines tagging as follows: “A tag is a non-hierarchical keyword or term assigned to a piece of information (such as an internet bookmark, digital image, or computer file). This kind of meta data helps describe an item and allows it to be found again by browsing or searching. Tags are chosen informally and personally by the item’s creator or by its viewer, depending on the system. On a website in which many users tag many items (such as photo-sharing ...

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