It is recommended to enter at least 5 keywords to see intersecting sites competing for the same bunch of keywords. The keywords should really hone in on what you do, such as a manufacturer of windows or an installer of windows in Joplin, MO. Don’t just type in “windows.”
Depending on your subscription plan, you can add a different number of keywords per scan:
Solo Plan:
5 keywords / scan, 15 keywords/ mo in total.
Startup Plan:
5 keywords / scan, 30 keywords/ mo in total.
Corporate Plan:
10 keywords / scan, 50 keywords/ mo in total.
Agency Unlimited Plan:
15 keywords / scan, first 50 keywords/ mo are FREE, $0.10 for every other keyword.