Unless anyone knows another reason for this impressive increase in comments? Seems to roughly coincide with Sync launching. If thats the case, just goes to show the importance of good third party apps.
Source: https://lemmy.fediverse.observer/dailystats
EDIT: Looks like a confusingly labeled graph and I think this is total comments. I have no idea why that spike could exist though.
You visit that server directly and create a new account and log in with that. There is no way to ‘switch’ although I think people have created ways to migrate your subscriptions etc over to a different server.