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Meta elements can be used to specify page description, keywords and any other metadata not provided through the other head elements and attributes. [1] The meta element has two uses: either to emulate the use of an HTTP response header field, or to embed additional metadata within the HTML document. With HTML up to and including HTML 4.01 and ...
For example, a digital image may include metadata that describes the size of the image, its color depth, resolution, when it was created, the shutter speed, and other data. [16] 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.
Descriptive metadata describes an information resource for identification and retrieval through elements such as title, author, and abstract. Structural metadata documents relationships within and among objects through elements such as links to other components (e.g., how pages are put together to form chapters).
An HTML element is a type of HTML (HyperText Markup Language) document component, one of several types of HTML nodes (there are also text nodes, comment nodes and others). [ vague ] The first used version of HTML was written by Tim Berners-Lee in 1993 and there have since been many versions of HTML.
Microdata is a WHATWG HTML specification used to nest metadata within existing content on web pages. [1] Search engines, web crawlers, and browsers can extract and process Microdata from a web page and use it to provide a richer browsing experience for users.
An important objective of this project was the creation of a standard for digital objects that would include defined metadata for the descriptive, administrative, and structural aspects of a digital object. A type of structural and metadata encoding system using an XML Document Type Definition (DTD) was the result
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For HTML it is possible to include this information inside the head element near the top of the document: [3] < meta http-equiv = "Content-Type" content = "text/html; charset=utf-8" > HTML5 also allows the following syntax to mean exactly the same: [ 3 ]