Almost every server except mastodon.social exposes local and federated timelines. The local timeline is the real time feed of all activity exclusively on your

Almost every server except mastodon.social exposes local and federated timelines. The local timeline is the real time feed of all activity exclusively on your instance. Federated timeline shows the local timeline plus the public feeds of any account that someone on your instance is following. With enough users on an instance, the federated feed shows you a good chunk of the entire fediverse traffic. It's one of the best ways to find new and interesting accounts to follow