They have good data and TERRIBLE…
They have good data and TERRIBLE customer service. If you live in a state where they don't have sales tax on services, they'll still bill you and collect sales tax on your service every month. They will change your account over years even if you're a devoted customer. They are disrespectful towards people who have paid them 10's of thousands of dollars. SEMrush, Majestic SEO or Moz will get the job done for less money and they won't screw with your account features without telling you.