In order to give an answer on the question of how to stay on Google first page, I shall assume that you know how to get there, and that you are there already. If so, the text should help you to stay there at least for a while.
Long tail keywords are a part of the usual strategy for top ranking. The strategy usually works well, and it has been proven as a successful. But what are long tail keywords and how they really work? You will find the answer here, keep reading.