18 Digit Numbers As Keyphrases in AW Stats and Analog

18 digit numbers used as keywords when searching - and my sites are found?

[Dugger]

According to AW Stats (and Analog) people are searching using various 18 digit numbers as keywords and thereby finding my sites. Perhaps it is a session number from a search engine? The only search engines listed in the logs are Google, Yahoo, and MSN - and they don't seem to use session IDs.

Coincidentally, on sites that have these numbers in the log files, positions have tanked when these numbers started appearing. May or may not be related.

Any ideas of what this is?

[anallawalla]

Are these unbroken 18-digit strings?

What do you see if you search for one of them in Google?

[Dugger]

Yes, they are unbroken 18 digit strings. If I search for the numbers they do not show any results in Google or Yahoo or MSN.

[Dugger]

It turns out that the numbers are from the search results urls from search.live.com - I guess it is just their way of encoding the search string.

[BradleyT]

I guess it is just their way of encoding the search string.

No, those numbers actually represent Bill Gates' wealth.