[1] [CITE@en-US[App manifest - App Center | MDN]]
([TIME[2015-07-11 01:46:50 +09:00]] 版)
<https://developer.mozilla.org/en-US/Apps/Build/Manifest>

[FIG(quote)[
[FIGCAPTION[
[2] [CITE@en[Runtime and Security Model for Web Applications]]
([TIME[2015-08-04 19:31:42 +09:00]] 版)
<http://www.w3.org/TR/2015/NOTE-runtime-20150806/#serving-manifests>
]FIGCAPTION]

> When served as a static file, it is recommended that the manifest is stored with the extension .webapp. The manifest must be served with a Content-Type header of application/x-web-app-manifest+json. It is recommended that application manifests are served over SSL.

]FIG]