Uniform Resource Identifier scheme
namespace identifier assigned by the Internet Assigned Numbers Authority (IANA) within a URI
feed URI scheme
suggested uniform resource identifier to subscribe web feeds
Geo URI
URI scheme for geographic locations
about URI scheme
internal URI scheme
view-source URI scheme
URI scheme on browsers
Info URI scheme
URI scheme for information assets with identifiers in public namespaces
Magnet URI scheme
scheme that defines the format of magnet links
Data URI scheme
Web page in-line data scheme
file URI scheme
Uniform Resource Identifier scheme
SIP address
Addressing format