Block Unwanted Visitors
Certain countries are known to be a source for hackers, spammers and other people who want to do harm to your website. With block a country you can simply block these and never have to worry about them again.
Increase Your Revenue
Did you know that traffic from certain countries can make a difference in Adsense earning? With block a country you can simply block the countries that lower your Adsense earnings.
Lower Your Bandwidth Cost
Your product or service might be focused to only a certain country. With block a country you can easily deny access from countries which are not serviced by you, doing so will reduce your overall bandwidth cost.