Traffic Data on the Top 5 Auto Industry Professional Targeted Blogs and Communities. Compete, Inc. Unique Visitor Traffic Data for the 12 months ended October 31, 2009, along with an analysis of traffic and sources for October on the following 5 sites: 1. Automotive Digital Marketing Professional Community 2. DealerRefresh Blog and Forum by Jeff Kershner 3. DrivingSales Automotive Community by Jared Hamilton 4. Dealer-SEO Commercial Teaching Blog by Brian Pasch 5. Digital Dealer Magazine website