I think you don't have to be worry about it.I also think you should active when you go any url.Many kind of scammer ar beside over online, they want to do make any fault by you.You should chack every steps that is real or scam.I think you should bookmark url on your browsers what you used  to and also use an exchange,that's way you can see every option that is right or worng.If you want to buy or sell your bitcoin you should trade in a exchange and make sure this a trusted exchange, very sure that your privet key is save,thank you.