New (sorta) Info From Google

[cd34]

It is a good indicator that if you come up well for a few days after a reindex, then disappear, that you might have something on your page that they are filtering.

[Linkster]

cd34 - exactly

Bill - the absolute vs relative links turned into quite a big issue for some of us back starting around Sept last year and really hitting hard in December - there were a few of us that lost just about everything in the SEs because of them - we all had "vanity domains - ya know the .net,.org spelling var. etc - and because we had relative links - and our vanity domains got botted by Yahoo and listed - Google found them and started splitting the pages of our sites between the different domains - it even happened in the case of some sites where the only difference was the www.domain.com and domain.com and the serverconfig wasnt set correctly to do the apache redirect it was supposed to be doing (the 301 thats built in to the serverconfig wasnt handling the requests right)
Its taken some of us until this update to get things fixed and back in to where we are doing pretty darn well again - and I can tell ya I never want to go through that one again

[b1ng0]

Originally Posted by Linkster

... it even happened in the case of some sites where the only difference was the www.domain.com and domain.com and the serverconfig wasnt set correctly to do the apache redirect it was supposed to be doing (the 301 thats built in to the serverconfig wasnt handling the requests right) ...

What is the proper way to redirect from site.com to www.site.com?