AUSTIN, TX–(Marketwire – 05/25/10) – Volacci , the Web conversion company that leverages semantic web and content management system (CMS) technologies to create customers from Web visitors, announces the release of version 3 of the “SEO Checklist” module for Drupal 6. The SEO Checklist module, sponsored by Volacci, is the basis for the highly successful suite of modules recommended in the book …