F3Analyzer - Share Link Tester

F3Analyzer hands a Shadowsocks, Trojan, VLESS or VMess share link to our service, which dials that server from its testing location. At no point does your phone reach the server under test. You get evidence, not a promise: a verdict, plus whichever of latency, download, upload and exit address could be measured. How a test works Bring a link in by pasting it, scanning its QR code with the camera, picking a photo of that code, or opening a text file. Your phone decodes and checks it first: a link with no server address, a private or reserved IP address written into it, or a transport the service can't dial is refused there, and no test is spent. Before the first test the app asks, and says our service receives the link as pasted, with the password or key the server needs. A test takes up to about a minute, and canceling spends nothing. What comes back Working: the server answered, and…