We all like to tweak our websites, blogs and other online content to attract search engine traffic. But which search engines are the most commonly used? Should we pay as much attention to Bing as we do to Google? Which 'Local Search Directories" should we bother to add our businesses to?

In this two-age analysis of millions of visitors to dozens of websites, the answers to these questions are clear.

Microsoft may still dominate the PC Desktop with their Windows operating system, but Google clearly has Internet Search in its iron grip.

At least for the moment.