A promising recipe for high-quality presentations is the proper language style: Use plain language! Speak in a way so that you are understood immediately and easily. Allow no space for average presentations.
You can skip the obvious at the beginning like in the following speech excerpt confidently: “Good day, dear audience. It is great that so many of you have appeared. My name is Wolfgang Schneider. I will first provide an overview of the research area, then I will present the methods before I move on to the actual results of our project. For the sake of completeness, I will list the literature sources on my last slide…”