https://example.com/.well-known/apple-app-site-association?A:?The recently released iOS 9.3 update implements?RFC 5785. Because of this, devices running iOS 9.3 will first request?/.well-known/apple-app-site-association?for the?apple-app-site-association?file that is required to implement?Universal Links?and?Shared Web Credentials. If the file is not found in this location, then the device will request the file in the root of the web server, as with prior releases of iOS 9.
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问: 为什么我的网站会收到这样的请求?
答: 因为是iOS9的第一个版本会请求这个文件,用于??Universal Links?and?Shared Web Credentials.
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/.well-known/apple-app-site-association
原文：http://www.cnblogs.com/xilifeng/p/5382109.html