When you set up your registration form, remember to 'allow indexing'. This will allow search engines to discover your registration forms easily and display it in search results - increasing your online visibility.
How do you allow indexing?
1. Go to your Registrations settings > Step 3. Share Form
2. Press 'Edit' in the box for Meta Preview
3. Slide the 'Allow Indexing' button to the right.
And, that's it!