* 仕様書

[REFS[
- [1] '''[CITE@en-US-x-hixie[HTML Standard]] ([TIME[2017-06-16 08:10:52 +09:00]]) <https://html.spec.whatwg.org/#external-resource-link>'''
- [6] [CITE@en[existing rel values · Microformats Wiki]] ([TIME[2017-06-18 12:19:08 +09:00]]) <http://microformats.org/wiki/existing-rel-values#HTML5_link_type_extensions>
]REFS]

* リンク型の一覧

[2] [[外部資源リンク]]を作成する[[リンク型]]には、次のものがあります。

[FIG(middle list)[ [4] [[Webブラウザー]]が処理するもの
- [CODE(HTML)[rel=dns-prefetch]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=icon]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=preconnect]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=prefetch]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=preload]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=prerender]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=serviceworker]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=stylesheet]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=apple-touch-icon]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=apple-touch-icon-precomposed]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=apple-touch-startup-image]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=manifest]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=mask-icon]] ([CODE(HTMLe)@en[link]])

[HISTORY[
- [CODE(HTML)[rel=component]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=enclosure]] ([CODE(HTMLe)@en[link]], [CODE(HTMLe)@en[a]], [CODE(HTMLe)@en[area]])
- [CODE(HTML)[rel=entry-content]] ([CODE(HTMLe)@en[a]], [CODE(HTMLe)@en[area]])
- [CODE(HTML)[rel=import]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=subresource]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=timesheet]] ([CODE(HTMLe)@en[link]])
]HISTORY]
]FIG]

[FIG(middle list)[ [3] その他の[[利用者エージェント]]が処理するもの
- [CODE(HTML)[rel=authorization_endpoint]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=pingback]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=EditURI]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=indieauth]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=micropub]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=openid.delegate]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=openid.server]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=openid2.local_id]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=openid2.provider]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=p3pv1]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=pgpkey]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=profile]] ([CODE(HTMLe)@en[link]], [CODE(HTMLe)@en[a]], [CODE(HTMLe)@en[area]])
- [CODE(HTML)[rel=service]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=token_endpoint]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=webmention]] ([CODE(HTMLe)@en[link]], [CODE(HTMLe)@en[a]], [CODE(HTMLe)@en[area]])
- [CODE(HTML)[rel=wlwmanifest]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=image_src]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=http://docs.oasis-open.org/ns/cmis/link/200908/acl]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=stylesheet/less]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=yandex-tableau-widget]] ([CODE(HTMLe)@en[link]])

]FIG]

[FIG(middle list)[ [5] [[外部資源リンク]]の定義に合致するか怪しいもの
- [CODE(HTML)[rel=archived]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=chrome-webstore-item]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=DCTERMS.conformsTo]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=DCTERMS.contributor]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=DCTERMS.creator]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=DCTERMS.description]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=DCTERMS.hasFormat]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=DCTERMS.hasPart]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=DCTERMS.hasVersion]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=DCTERMS.isFormatOf]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=DCTERMS.isPartOf]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=DCTERMS.isReferencedBy]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=DCTERMS.isReplacedBy]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=DCTERMS.isRequiredBy]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=DCTERMS.isVersionOf]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=DCTERMS.license]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=DCTERMS.mediator]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=DCTERMS.publisher]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=DCTERMS.references]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=DCTERMS.relation]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=DCTERMS.replaces]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=DCTERMS.requires]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=DCTERMS.rightsHolder]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=DCTERMS.source]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=DCTERMS.subject]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=disclosure]] ([CODE(HTMLe)@en[a]], [CODE(HTMLe)@en[area]])
- [CODE(HTML)[rel=gtfs-static]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=gtfs-realtime]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=meta]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=publisher]] ([CODE(HTMLe)@en[link]], [CODE(HTMLe)@en[a]], [CODE(HTMLe)@en[area]])
- [CODE(HTML)[rel=rendition]] ([CODE(HTMLe)@en[link]], [CODE(HTMLe)@en[a]], [CODE(HTMLe)@en[area]])
- [CODE(HTML)[rel=reply-to]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=schema.DCTERMS]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=shortlink]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=sitemap]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=widget]] ([CODE(HTMLe)@en[link]], [CODE(HTMLe)@en[a]], [CODE(HTMLe)@en[area]])
- [CODE(HTML)[rel=dm_tab_1_1]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=dm_tab_1_2]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=dm_tab_1_3]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=dm_tab_1_4]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=dm_tab_1_5]] ([CODE(HTMLe)@en[link]])
- [CODE(HTML)[rel=dm_tab_1_6]] ([CODE(HTMLe)@en[link]])

]FIG]