What is the difference between normal and residential countries?

We use two different kinds of countries for the visits: 

• the standard ones are the one we use in the demo and that you can use at a standard price with any paid plans. We use dedicated servers but spoof the IP in Google Analytics so the visit seems to come from the country of your choice. If you use another analytics software than Google Analytics, the geotargeting will not work. You can select a region/city with this kind of countries.
• the residential ones are the ones you can only use with any of our paid plans. We use residential proxies for this. All the visit really come from the country of your choice. The geotargeting will work on any website. There is an extra cost to use these countries. We have a limited number of region-targeting for these countries (mainly USA). We are working on this.