People usually do better if they have an increase mindset (you see yourself as a work in continue) vs. a fixed mindset (you trust your sufficiency are fixed).
Get confident at reducing physiological overarousal.You will do a better job at public speaking if you are not in fight / flight / freeze mode while you are providing your talk.Learn how to cool yourself physiologically by rehearse slowing breathing, which will in turn reduce your heart rate.
This is a considerable style to become extreme in your capability to cool yourself physiologically.Be aware that your heart rate is commonly faster when you are breathing in and slower when you are breathing out.
Practice looking at faces in the audience when you are talking.People who are nervous influence to either avoid looking at the faces of people in the audience, or fixate on the faces of people who look tired.Learn to look for signals of interest as well as signs of disinterest.
Make eye contact and smile at particulars in the audience.When someone smiles back, return your look to that person later in your talk.
"Approach targets are more profitable than avoidance targets.Analyze what your approach targets are.