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URL schemes
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Licensing: this page is under CC0, not the MIT License.
about: URLs
about: URLs server as identifier, potentially with an associated resource. The identifier is given in the URL's scheme data.
| Identifier | Resource | Notes |
|---|---|---|
| "blank" | A resource whose Content-Type is text/html;charset=utf-8 and entity body is the empty string. | |
| "invalid" | - | Used to represent a network error. |
| "legacy-compat" | - | Used in HTML for XSLT serializers. |
| "unicorn" | A resource whose Content-Type is image/svg+xml and entity body is the contents of unicorn.svg. | Unicorn! |
To obtain a resource from an about: URL, run these steps:
- If URL's scheme data is not the literal string "about" or "invalid", return a network error. (URL's query is simply not taken into account and can be anything.)
- Return the resource corresponding to the identifier as listed in the table above, with HTTP status code 200 and HTTP status text "OK".
Others
- javascript:
- ws: & wss:
- See Wikipedia
- See IANA