[1]
[CITE@en[Webcal - Wikipedia, the free encyclopedia]] <http://en.wikipedia.org/wiki/Webcal>

[FIG(quote)[
[FIGCAPTION[
[2] [CITE[Chrome のプロトコルハンドラについて - Qiita]]
([TIME[2015-06-08 14:28:30 +09:00]] 版)
<http://qiita.com/hiroshi3110/items/3f545f8d3d2daf329bc7>
]FIGCAPTION]

> Google Calendar の html を見ると、
> <script type="text/javascript">if(navigator&&navigator.registerProtocolHandler){navigator.registerProtocolHandler('webcal',"https://www.google.com/calendar/render?cid\x3d%s","Google Calendar");}</script>
> webcal ハンドラで google calendar が登録されている状態で、ためしに以下のカレンダー(日本の休日) にアクセスすると、
> webcal://www.google.com/calendar/ical/japanese__ja%40holiday.calendar.google.com/public/basic.ics
> カレンダーを追加するかどうかのダイアログが出る。

]FIG]


[FIG(quote)[
[FIGCAPTION[
[3] [CITE@ja[iCal天気 - Weather Hacks - livedoor 天気情報]]
( ([TIME[2016-06-23 00:45:49 +09:00]]))
<http://weather.livedoor.com/weather_hacks/ical>
]FIGCAPTION]

> 
>   <tr>
>     <td align="left">旭川</td>
>     <td align="left">
>       <a href="/forecast/ical/01a/2.ics">ical</a>
>       <span class="pipe">&nbsp;|&nbsp;</span>
>       <a href="/forecast/ical-charref/01a/2.ics">ical(数値文字参照)</a>
>       <span class="pipe">&nbsp;|&nbsp;</span>
>       <a href="webcal://weather.livedoor.com/forecast/ical/01a/2.ics">webcal方式</a>
>     </td>
>   </tr>

]FIG]