Like it or not, SEO is a big part of your online business. It's the largest source of free organic traffic, leads, and customers. Today, there is a wealth of free tools to help with day-to-day maintenance and to speed up the research that goes towards keeping a website healthy.
While it is nice to have a large arsenal of tools at one's disposal, it will be even more useful if you know how to wield them to their full potential.
You can download the extension here.