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Since your scale (like PageRank) is a logarithmic scale, it makes it hard to judge the distance between 2 scores.  Can you give me a rule of thumb.  For PageRank,  each jump is an exponential jump - so that a PR6 is perhaps 10 times stronger than a PR5.

What is the log base that SEOMoz uses.   Should I assume that a 60 is 10 times stronger than a 50?

This is important when it comes to measuring progress because growth is going to get more difficult as you move up the scale and I need to communicate the distance between our current Authority score and our goal.

Thank You!

Hello!

My question is as follows:

Suppose there is SiteA which is a blog that has a url structure of http://www.siteA.com/blog/category/article

Now suppose I'd like to redirect those articles to a new domain (which has the same url structure) BUT excluding a certain category, say, 'blah/'

so in other words, some examples:

http://www.siteA.com/blog/shoes/best-shoes-to-buy ->redirects-> http://www.siteB.com/blog/shoes/best-shoes-to-buy/ (there is a trailing slash here for some reason)

BUT

http://www.siteA.com/blog/blah/foo-bar -NO REDIRECT- (because it's in the /blah/ category).

Any and all feedback & help would be much appreciated  Thanks!~

Thanks Maxwell, We're very cognizant of dupe content, but thanks for the advice! Im leaning towards the second response as well, but better safe than sorry (which is why I'm asking). I've heard the first response "split traffic, etc" more from affiliates who run networks. While I wouldn't say we do the same, we definitely work with / have affiliate programs. Any and all additional responses welcome!

Any downsides to having multiple (similar) eCommerce sites linked to the same Google Analytics account? Traffic splitting or other penalties?

I've heard a range of answers from "Yes, traffic was split between my two first-page ranked sites, it was awful" to "no, Google couldn't care less/ they'd be able to tell if your sites were related outside of having them in the same account anyways"

Any info would be much apprecaited

Thanks!