WordPress Error Fix, SEO Reset, Moz Help

GreenBlizzard.com believes its site traffic should be much higher than it is now. The word press themed site has a number of errors, recently implemented Yoast and has been working to set-up better SEO, and is testing out Moz. We have our list of targeted words. We need experienced help to quickly clean-up the errors, evaluate what we have done towards improving SEO, recommended immediate steps, prioritizing SEO to dos for us, assess and set realistic traffic potential goals, and provide insights on how to use Moz.