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Thanks for your responses. Yeah, it sounds circa 2010-2011 - all the spammy SEO tools to try to game the system; however, as I mentioned in my OP, I'm not pursuing this at all, but trying to find out if anyone has heard of it. As Cesar mentioned, it doesn't even make sense; hence my confusion. I, too, am amused by the scientific description to try and make it sound cutting edge.

Yes, I think you are right. Thanks for the response.

A client site has thousands of pages with unoptimized urls. I want to change the url structure to make them a little more search friendly.

Many of the pages I want to update have backlinks to them and good PR so I don't want to delete them entirely. If I change the urls on thousands of pages, that means a lot of 301 redirects. Will thousands of redirected pages have a negative impact on the site?

Thanks,

Dino

SEO works fine for me, though I would guess since you've tried "everything in the book" that you've been reading the wrong book.

I would suggest you try Adwords since that's where Google would like to push everyone, but Adwords is a hell of a lot harder than SEO. If you can't make it here, you certainly won't make it there. My clients do well in both organic and paid search simply by using many of the principles that most people in this form are familiar with. It's not rocket science, but indeed, you have to follow the right advice, "read the correct book," metaphorically speaking. Find out what your competitors are doing and do it better. Then double the effort so they can't catch up.

I can't tell you whose advice to follow, but stay away from gaming the system and build your business with sustainable practices and you'll get there. I'm new as a Pro Member, but from what I can tell SEO Moz is right on the money.

And by the way, one of my clients is in the top 5 most difficult industries for SEO and in the toughest market in the world. They're consistently on the first page for their #1 search term so I know it still works. Hope you stick with it.

Was researching this same topic and the video you shared answered my question. Thanks for including the link.