On: Farewell to Regular Web Development Approaches

[Isofarro]

No. Returning different content to Googlebot is a technique called cloaking. http://en.wikipedia.org/wiki/Cloaking

Probably worth reading this: http://productforums.google.com/forum/#!category-topic/webma...

They'll accept geo-targeted or mobile vs desktop optimised content, but everything else is a grey area.

[andrzejkrzywda → Isofarro]

The official documentation is here:

https://developers.google.com/webmasters/ajax-crawling

[Isofarro → andrzejkrzywda]

That talks about using progressive enhancement as the primary approach to building websites.