GRADER is a free suite of tools that helps you measure and analyze your marketing efforts. Quickly measure what matters in inbound marketing. Get the metrics you need, when you need them. Included in this first release... -- WEBSITE GRADER -- Free SEO tool that measures the marketing effectiveness of a website. Website Grader has graded over 1,000,000 sites and won numerous awards. -- TWITTER GRADER -- Twitter is all the rage with tens of thousands of new users joining every day. Twitter Grader is probably the most popular online tool for measuring the power, authority and reach of a Twitter user. How do you stack up on Twitter?