Robert_Charlton - 8:09 pm on Jul 3, 2010 (gmt 0)
No Follow to Homepage - Why are sites doing this?
I'm thinking it's because the sites heard about Bruce's test that the first anchor text counts, and that they don't want that anchor text to be the word "Home" in their breadcrumbs or whatever their logo-link-to-home alt text says.
They might even have a keyword anchor to Home somewhere in the paragraph text of the page, since they've also heard that global nav text (in the page template) may count less than a contextual link does.
It's also likely that these same sites haven't heard about #3, though... Bruce's test that if you use nofollow on even one of the multiple links, they all stop passing PR.
I'm curious, btw, how Google treats these various ordering factors when you use source ordered content.
irldonalb - Since you've spotted these nofollows, I'd be interested in hearing whether there is a targeted anchor to home used somewhere on these pages instead.