If you want to make your account and posts more discoverable:

-Fill in your profile, include website if you have one (with https:// at start)
-Describe yourself in first line of profile, this is shared by discovery systems
-Follow people
-Write public #Introduction, attach photos/audio/video if relevant
-Pin introduction to profile
-Use hashtags in posts
-Describe images
-On server, go to Edit Profile > Suggest Account To Others, tick box & save changes

More details at https://fedi.tips/how-do-i-get-more-followers-on-mastodon-and-the-fediverse/