Key:website
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Specifying the link to the official website for a feature.
Annotation
name=* Used combinations in
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The website=* tag can be used to provide a link to the official website for the related features, be it a building, park railway or anything else. A link to an relevant but unofficial alternative or additional resource can be created using url=*. A link to Wikipedia should use wikipedia=* (do however note the different format for wikipedia links which are not full URLs.
For small format websites (designed for smaller displays, reduced bandwidth, or mobile touchscreens) use website:mobile=*.
Avoid long URLs
Use as short an URL as possible. Choose simple URLs over complex URLs if they basically point to the same content. For example, use http://bahn.de instead of http://www.bahn.de/p/view/index.shtml, as both will get you to the front page.
Using links
Where no transfer scheme is given, assume http://; using this system www.openstreetmap.org should be interpreted as http://www.openstreetmap.org.
See also
- Proposed features/External links - different tagging ideas for the same or similar
- url=* - A more general tag. Any URL which may be the official website or may be something else (e.g. wikipedia article)
- Key:contact - The contact:* namespace with contact:website=*
- OpenLinkMap [1] a slippy map, making this tag's data available as clickable POIs
- Keepright [2] where as of the year 2011 a project is underway to validate the content of website tags, ensuring they still match the osm object.