Improving user privacy by requiring opt-in to send X-Requested-With header from WebView Posted by Peter Birk Pakkenberg, Software Engineer X-Requested-With (XRW) is a nonstandard header. When a user installs and runs an application that uses a WebView to embed web content, the WebView will add the X-Requested-With header on every request sent to servers, with a value of the application APK name. I