Facebook uses a method called LinkShim with a bit of JavaScript (to avoid garabling copy&pasted links) and a hash of the URL generated serverside to avoid open

Facebook uses a method called LinkShim with a bit of JavaScript (to avoid garabling copy&pasted links) and a hash of the URL generated serverside to avoid open redirects. I'm thinking on working on my own implementation for a project https://www.facebook.com/notes/facebook-security/link-shim-protecting-the-people-who-use-facebook-from-malicious-urls/10150492832835766/ https://www.facebook.com/notes/facebook-security/link-shim-p...