* プロトコル要素

[3] 
[FIG(short list)[
- [CODE(HTMLa)@en[ismap]]
- [[ハイパーリンク接尾辞]]
]FIG]

* 歴史

[1]
鯖側画像写像は[DFN[[RUBYB[標準画像写像][standard image map]]]]とも呼ばれたそうです。

参考:
''JavaScript Guide'' <http://osr5doc.sco.com:1997/Internet/FastTrack/javascript/advtopic.htm#Using%20standard%20image%20maps>

[2] [CITE[NCSA Tutorial: Imagemap]] ([TIME[1997-05-23 03:53:55 +09:00]] 版) <http://www.diam.unige.it/informatica/documentazione/httpd_docs/docs/tutorials/imagemapping.html>

[4] 
[CITE[Imagemap Help Page -- Instruction]], [TIME[2024-08-15T10:54:01.000Z]], [TIME[2000-10-18T01:38:37.978Z]] <https://web.archive.org/web/20001018013745/http://131.103.248.30/>