(Object Name changed below to keep things simple)
Let's say my company sells badges and buttons. Our main website is
We also have a lot of other sites that we have registered that have variations on the name:
I have been told that just redirecting these sites to our main page could have a detrimental affect on our Google Search ranking as Google will see duplicate content.
So should I redirect them, or have a single landing page with a link to the main site, or just keep a blank page.