All of the conversion is in the title
Webinar should be under 30 minutes
Topic should be deep and specific, not general and wide
Simple solutions like Zoom Webinar or YouTube live is all you need
https://docs.google.com/document/d/1srnKweymPGEG-b6fLtHheRA_fhS6bsNdCjmwrwG7m9s/edit?usp=sharing