Here are some great places to practice steno.
You can build your vocabulary on Typey Typeopen in new window
Steno Jigopen in new window is great for drilling common words.
MonkeyTypeopen in new window is just a normal typing website. It's a typing website made for mechanical keyboard people and has many different modes from common words to quotes.
This is a YouTube channel with actual practice material for people interested in professional court reporting. Check out their channel here: Platinum Stenoopen in new window
For a guide on how to follow along with the tutorials and the custom dictionaries used, look at this blog post: Plover for the recordopen in new window