Are You Wasting Your Website’s International Traffic?

If I visit your website from Australia, is it any different from the website I see if I visit from The USA? Or from England?
That’s only half the question really. The real question is: Could your website perform better if it looked different to visitors from different countries?
A few larger sites understand that they can perform better by speaking differently to visitors from individual countries, and a few of the larger ad networks do too. If you hit the Amazon.com homepage from outside the USA, they ask you politely to visit your local site like this:
