Do debaty co vsechno G vi a nevi bych rad prispel necim co me docela sokovalo:
Google mi poslal upozorneni, ze v Anglii byl muj web offline nekolik hodin. Podle me to G dela jako upozorneni na cenzuru nejen na technologicky vypadky:

Possible outages

Dear owner or webmaster of http://XXXXXXX.com While crawling your site, we have noticed an increase in the number of transient soft 404 errors around 2012-07-19 17:00 UTC (London, Dublin, Edinburgh). Your site may have experienced outages. These issues may have been resolved. Here are some sample pages that resulted in soft 404 errors:

http://XXXXXXX.com/1
http://XXXXXXX.com/2
http://XXXXXXX.com/3
http://XXXXXXX.com/4

For more information, see our Help Center: Soft 404 errors