As soon as a person register for your webinar, send them a thank you mail and a confirmation mail. Sending this is not only good manners, but will also help get a confirmation from the registrant side.
The best way to evaluate your topic is to conduct a live Q&A session. The audience gives their opinion about the topic you have selected and asks various related questions that will help you to create the perfect strategy for your webinar.
? Send a Thank you email after registration:
? Increase the impact of your webinar content after the event: