If you want to earn more from your website, you need to understand two things: one, how much monthly searches your target keywords is pulling and how much CPC rate your target keyword is getting. CPC and search volume differ according to location. For example in the US search volume for Logo Design is 110,000, however, in the UK it is 49,500, likewise, in Australia, it 22,200 and in Canada it 14,800. If your target is keyword is logo design you need to focus on getting traffic from the US. The same keywords get different CPC in different location, for instance average CPC for Insurance is $17 in the US but in UK it is $6.86, in Canada it is $3.57, and in Australia it is$8.39.