Redirecting one ecommerce site to another

[neooptic]

Hi I'm planning to redirect one large ecommerce site to another. Here's how I was thinking of doing it:

• crawl both sites with Xenu and export urls to a CSV

• match urls where possible, redirecting pages from site A to relevant ones in site B

• all others will be redirected to site B's home page

Now, I'm dealing with thousands of URLs here, so any way to make it easier would be great. Could this mean just redirecting all of Site A's pages to Site B's homepage would be worth it? Or does redirecting relevant pages where possible seem the best idea?

Thanks guys!

[gfiorelli1]

The second option is surely the best one. Not just because your visitors will thank you (I mean, they find you for B and you are redirecting them to A obliging them to start an internal search), but also is what Google itself suggest here: https://www.google.com/support/webmasters/bin/answer.py?answer=83105&hl=en