url that twitter mobile site can not load

**Summary:** A url that twitter mobile site can not load, crushes any page containing this url **Description:** Invalid hex characters crushes twitter mobile site as example go to ```https://mobile.twitter.com/?%xx``` twitter won't load. 1) Sending such url on a direct message, twitter will no longer be able to load the conversation, F429765 2) Tweet such url, anyone following you won't be able to load any tweets F429766 I think Twitter on the client side trying to find a value for %xx which is not possible so it raises an error ## Steps To Reproduce: 1. Go to https://mobile.twitter.com/ 2. Send or tweet this url ```https://mobile.twitter.com/?%xx``` 3. You and your followers won't be able to see any tweets on the mobile site ## Impact This issue works only on https://mobile.twitter.com/ (not working on IOS, Android and https://twitter.com/ ) however, all twitter mobile users with no twitter app should be affected