I've been video interviewed in the past prior to an onsite YC interview. That being said, it appeared it was a way to gather more information as my application

I've been video interviewed in the past prior to an onsite YC interview. That being said, it appeared it was a way to gather more information as my application needed some more clarification. I don't know if that is standard practice or not. I've also had an onsite interview without having a video interview.