Well, it's over.

After about a week of being far away from the first page with my main keywords, I am back on the first or second page of Google. That's good news. The bad news is that something like should have never happened.

Google shows its algorithms are unstable. Even very unstable. During this scary week, I had no problems with Yahoo Search or Bing, which I even prefer, to be honest, but they hardly can give you the traffic comparable to Google's. Unfortunately....