Either Google thinks Altavista is the best search engine or it has the best SEO
google.com
google.com
How in the world Altavista has a PR of 9 is a mystery though.
"How in the world Altavista has a PR of 9 is a mystery though." A large volume of natural links is probably the explanation here. altavista.com probably ended up in some trusted repository as well, which may render it relatively immune to "penalties" or other dampening factors.
AltaVista
Ask.com Search Engine - Better Web Search
Dogpile is #2 for me.
On bing #1 result is Dogpile
On Yahoo #1 result is Yahoo
On Dogpile, #1 result is Dogpile
On Ask, #1 result is Ask
On Altavista, #1 result is Yahoo
I feel I can trust the "results for everybody" better as are likely more thoroughly verified.
Most likely due to this : http://news.ycombinator.com/item?id=977461
Who knows why Google calculated that my behavior indicates I'd be more interested in dogpile...
Google doesn't like semantic now as I recall someone posted a link saying that maybe half a year ago.
But for the query 'search' Altavista is the #1 and Google is next to it.