google.com.hk is an official domain owned by Google. Of course, they're the best out there. Safe site and trusted sources for me. Be aware of the ad results. I wish there were better ways to contact the customer support/help/feedback team.
Thank you for defending freedom of speech across the globe
Thank you for choosing open standards and open source whenever possible
Thank you for your unmatched transparency efforts
Thank you for always trying to do the right thing
We the people will always remember
And congratulations on doing all this while remaining profitable :P