A:  This request comes from Internet Explorer.

When an I.E. user visiting a page of yours asks I.E. to take a favorite (bookmark) of it, I.E. tries to find whether your site provides this icon to be associated with the favorite.

If such icon is not found, I.E. would associate its default icon .

If such icon is found, I.E. would associate it to the favorite. For instance, if you bookmark this page through I.E., you'll find out later that the favorite is associated with our icon

To know more about favicon.ico and to learn how you may implement your own icon, visit the following page.