The numbers I've seen say ~55% of web traffic and ~70% of screen time is mobile. So there will still be plenty of users for a desktop site, but why not go resp

The numbers I've seen say ~55% of web traffic and ~70% of screen time is mobile. So there will still be plenty of users for a desktop site, but why not go responsive and serve both? I wouldn't build a native mobile app until the users start demanding it, and probably not even then.