Metadata - MDN Web Docs Glossary: Definitions of Web-related terms 编辑
Metadata is — in its very simplest definition — data that describes data. For example, an HTML document is data, but HTML can also contain metadata in its <head> element that describes the document — for example who wrote it, and its summary.
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General knowledge
- metadata on Wikipedia
HTML metadata
- The
<meta>element on MDN
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