Is website design an indicator of reliability?

If the casino has a beautiful website and user—friendly interface, can this be a sign of reliability? Or does appearance mean nothing at all and it's better to look at other things?

The site's appearance does not guarantee its reliability. Beautiful graphics can hide problems. It is better to pay attention to the license, reviews, payment speed and support service than to the interface design.

Sometimes beautiful websites hide questionable service. I try not to judge just by appearance. https://www.twitch.tv/wildzesports has a pleasant interface, but the main thing is transparent rules and an honest attitude towards players. This can be seen after registration. It's simple, without too much pressure. It is the internal structure of the platform that is more important than how it looks from the outside.