I can only vaguely rememember signing up for an account with RevResponse for a “tradepub” online trade publication store.
I can’t remember ever linking to it, but it might have happened – a quick search of my archives doesn’t reveal anything.
However delving into indexation issues webmaster tools can provide some interesting results.
What I had at the time was a custom design based on my site, created automatically, including all my side bar navigation.
Most of my sidebar navigation from that time doesn’t exist any more, but a few pages do including my contact form.
My Tradepub subdomain does not show up as backlinks in Yahoo, so might go unnoticed…. well actually it did.
Killing it off may have an effect on other metrics but without doubt this isn’t adding any value to the search engines and has never generated any revenue.
I am sure something like this works well for maybe Arstechnica, but it doesn’t work well for me.
How To Kill Off Tradepub
There might be an option to delete the pages, but that is actually suboptimal
The solution I have used for now is also suboptimal because it is quite possible that Google will only delist one page, or only the pages I link to – this one http://andybeard.tradepub.com/
What I have done is use a meta redirect in the header with zero delay which is meant to act like a 301 redirect.
That doesn’t necessariliy mean that Google and other search engines will redirect all the pages but we can see how quickly it occurs.
I have also included a noindex on all the pages as well as Sebastian suggests.
Even with a 301 redirect in .htaccess or php it can take months for the URLs to drop out of the index.
I used the beta RevResponse interface to add the redirects.
The optimal version? Just noindex, drive Googlebot to actually crawl the pages, then 301 redirect/meta redirect once they are all out of the search results, possibly with a temporary sitemap file to encourage crawling the 100s of pages (maybe 1000s).
I don’t know the answer as to whether RevResponse & Tradepub could harm your search results, but there are enough forgotten wastelands on the web full of duplicate content and worthless links – just doing my bit to clean up the rubbish.