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IMO their index is OK and their advanced search is great.. but there seem to be a number of URLs that ocuppy multiple listings for certain SERPS.
For example if i search for "xyz" .. URL "x**" may appear 10 times on the first page... this is very very bad.
One area where they definitely differ in is how they filter results that come from a single domain:
FAST filters repetitive results. So, if you search for a company name, or the name of a celebrity, you will see one result from many domains and subdomains, but rarely several listings from the same domain.
Run the same search with Google and you'll receive an exhaustive listing of many pages from a particular domain: the Press Corner, About Us page, Products page, and anything else it has.
Fast seems weighted to bring in a great variety of answers that are on topic, whereas google wants to bring in the same answers but in greater detail, even if it is repetitive. I'm not making a value judgement as to which one is better. I am only making an observation.
Try it out for yourself.
Has anyone else spotted a demonstrable difference in their algos?
Run the same search with Google and you'll receive an exhaustive listing of many pages from a particular domain: the Press Corner, About Us page, Products page, and anything else it has.
not for me, i always find a max of 2 results returned per domain if i have preferences set for 100 results a page and only 1 per domain when set for 10 per page.
i think that the odp has a lot of weighting on google which lifts sites, i notice non odp sites returning higher in Fast than in google, haven't been able to prove it but it holds some for keywords that interest me.
non odp sites returning higher in Fast
Now that's a really interesting observation.
I'm on a mac right now, so I can't test it out. But I know a really good search term to test this out on (lots of non-odp results). Will test it out when I get back home.
Here is a generic version of my meta title:
Site Name - Kewords Keywords, Kewords Keywords, Kewords Keywords, Kewords Keywords, Kewords Keywords, Kewords Keywords, Kewords Keywords, Kewords Keywords, Kewords Keywords, Kewords Keywords, Kewords Keywords, Kewords Keywords, Kewords Keywords
Do you think I overdid it?
:)
[edited by: heini at 9:27 am (utc) on Sep. 24, 2002]
[edit reason] see sticky mail [/edit]
kw1-hotel.co.uk
kw2-hotel.co.uk
....
kw20-hotel.co.uk
don't Alltheweb have a similarity detector in it's algo?