What is Metadata?

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Metadata describes other data. It provides information about a certain item’s content. For example, an image may include metadata that describes how large the picture is, the color depth, the image resolution, when the image was created, and other data. A text document’s metadata may contain information about how long the document is, who the author is, when the document was written, and a short summary of the document.

Web pages often include metadata in the form of . Description and keywords meta tags are commonly used to describe the Web page’s content. Most search engines use this data when adding pages to their search index.

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What are Keywords?

Keywords are words or phrases that describe content. They can be used as metadata to describe images, text documents, database records, and Web pages....

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