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Hi Ryan Thanks for those useful comments & alternative ideas. I think we'll stick with the original idea & use the 301 approach rather than remove the listing if possible so the link juice can be directed to the client site. Cheers

The link might not be in the OSE index which is where the PA data is coming from.  If you do have a clean link pointing to the page you can be pretty sure there's some link juice flowing to it, but it will take time for the site to be crawled and that link strength to be added.

Mark, did these responses answer your question?