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exactly, so in this case you are completely safe.

Your question also makes me realize that we don't have an area for ecommerce. It may be a bit before the categories are changed, but I will suggest both ecommerce and shopping as possible categories when that time comes.

Thanx for the great answere, so the best is probably to leave it as it is. I just found it out because Screaming Frog runs into a loop, because it follows 302s. So i just put this url string which guides into the 302 into the robots.txt while i scan with seo frog and turn it off afterwards again. thanx!

You have me stumped! There is a person in the Official Google Base Blog. Her name is celebird or something like that. I think you should ask her OR post you question there at the blog. Sorry I couldn't help, but I tried.