Thank you for your post.
You could have a "URL favorites/bookmark" database. Here is something that may help you...
Create a database with a text field entitled URL. Then, go into Layout view and grab the Web Viewer layout tool and draw a box on the layout to display the Web Viewer. This then prompts you for additional information. Under "Web Address", there is default web address. To the right of that, click on "Specify...", and change the calculation to just include the URL field.
Return to Browse Mode, and in the URL field, enter:
... and press tab. You will now see the Web Viewer displaying the FileMaker, Inc. web site.
This will work with Instant Web Publishing, as well as with FileMaker Server.
Let me know if you need clarification for any of the above steps.