[Ryan_Jones]

Everything Google has said that the bot does, plus a knowledge of coding. They aren't using a LYNX style browser to render javascript and determine the position of ads on pages. They have to be using a headless type of actual browser for that - and it's a safe bet they aren't using firefox or IE or safari.

They aren't telling us how Googlebot is coded, but it's pretty easy to deduce.

http://ipullrank.com/googlebot-is-chrome/ for more details

[gildas]

> but it's pretty easy to deduce.

Indeed, I would try to make bots display the value window.chrome to verify this assertion.

[Ryan_Jones]

They wouldn't identify as chrome - it'd still be a custom browser based on the chrome code.