Translation of skinner in German

I am asking you to give me a reply as soon as possible so that we can proceed. Have you ever tested the new version? Many users are waiting for it, and are sending me lots of emails about it.
Are you familiar with HTML tags? Besides, you have to test the file in a browser window before delivering, just to be sure that it is displayed correctly. Regarding the translation: The second choice is a little more colloquial than the first one.
Your German is very good. Of course, there are some mistakes here and there, but I think that all the students have some. Get yourself up and study a lot, that's the secret to success. Good luck.