intent:

intent: URL scheme

[1] Android Intents with Chrome - Google Chrome Mobile — Google Developers ( ( 版)) <https://developers.google.com/chrome/mobile/docs/intents>

[2] Google 検索用 App Indexing — Google Developers ( 版) <https://developers.google.com/app-indexing/webmasters/app?hl=ja>

[3] Google 検索用 App Indexing   |   Google Developers ( 版) <https://developers.google.com/app-indexing/webmasters/app>

[4] Android Intents with Chrome - Google Chrome ( 版) <https://developer.chrome.com/multidevice/android/intents>

The basic syntax for an intent-based URI is as follows:

intent:

   HOST/URI-path // Optional host

   #Intent;

      package=[string];

      action=[string];

      category=[string];

      component=[string];

      scheme=[string];

   end;

[5] Android Intents with Chrome - Google Chrome ( 版) <https://developer.chrome.com/multidevice/android/intents>

<a href="intent://scan/#Intent;scheme=zxing;package=com.google.zxing.client.android;S.browser_fallback_url=http%3A%2F%2Fzxing.org;end"> Take a QR code </a>