mastodon.online is one of the many independent Mastodon servers you can use to participate in the fediverse.
A newer server operated by the Mastodon gGmbH non-profit

Server stats:

11K
active users

Today I'm feeling very validated that I deleted my BlueSky account last month...😳

Told you it wasn't a "better Fediverse"....🤦‍♂️