I was wondering the same thing.Sounds like some type of track ware.
Found this on it.
Googlebot is the search bot software used by Google, which collects documents from the web to build a searchable index for the Google search engine.
If a webmaster wishes to restrict the information on their site available to a Googlebot, or another well-behaved spider, they can do so with the appropriate directives in a robots.txt file,[1] or by adding the meta tag to the webpage.[1] Googlebot requests to Web servers are identifiable by a user-agent string containing "Googlebot" and a host address containing "googlebot.com".[2]