@taylorlorenz
Getting them to stay is the harder part. How many abandoned accounts are there that post a couple of times. Dont get followers, dont connect and never come back.

Welcoming people.
Answer their questions
Give them tips
Help them connect to other with similar interests.
Explain how it works
Suggest content or people

@OrionKidder

You can do that already.

Progressive web app

https://fedi.tips/how-to-install-web-apps-for-mastodon-and-the-fediverse/

@mattycakes

Have a look at
https://fedi.directory/

Or follow for suggestions based on topics
@FediFollows

Also @FediTips