How Big is Google’s Index?
By: Philipp Lenssen | Source: blog.outer-court.com
Since Google has stopped exposing the size of their indexed web documents on their homepage, it seems that different web users have been performing searches to try and figure out Google’s size.
Google Blogoscoped is trying to figure out the optimal search terms for gauging the size of Google’s index.
In order to see how many pages they indexed, different approaches were effective during different times (always only returning approximations, and varying ones depending on the datacenters you hit, but those approximations were sometimes seemingly more up-to-date than official numbers Google offered). For example, at one time searching for * * used to work and showed a page count , but it doesn’t work anymore, returning no results at all.
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