Originally Posted by diggo3
The best techniques are given below to get USA traffic.
Use forums related Usa
and search which website has got number of website traffic from usa
The USA is a huge place and there are many forums "related Usa". They would need to be related to whatever the website is about. It is very possible to build authority and possible traffic by posting on forums but you would have to know what you were talking about or it would be counter-productive.
To post in country specific directories usually means having a business address in that country.
I think that what you mean from the last comment is to look at competitors who are already getting traffic from the USA, to see if anything could be learned from them. Without access to their Analytics, I'm not sure where you could get reliable data for that, but simply looking at where they rank in Google US would probably be a good guide.