It's no secret that search rankings play a key role in the amount of traffic a website or blog receives. If your blog ranks high for its target keywords, you'll generate more traffic -- traffic that can be used for commercial purposes like selling a product or service. But what if your blog isn't showing up at all in the search engines? Blocked Robots Have you checked your blog's .htaccess file to see if search engines are allowed to crawl it? Even if you don't remember modifying this file, altering your blog's settings may trigger these changes. And if search engines are prohibited from cra...