Translation of wunschlos

One of the users claimed that the speed of the website on facebook was very slow. Did you experience the same issue? Yes, I've also noticed that the site is a little slow, but not so slow as to find it necessary to advise you.
Therefore we use only the Vocabulix dictionary in our class. It has good features and a large vocabulary base. I will have to send you a few sentences for rewriting if that is OK with you, because the whole is mixed up.
Have you ever visited the U.S. before and if so, where have you been in the U.S.? I've been travelling in California, it was very amazing. We have traveled by car. Here are my corrections.