The purpose of the extension is to let user know in which country is the web server of the website which user is visiting.
The extension uses(explanation is after ":"):
1. Tabs: the extension needs tabs to get the domain of the current tab. The extension does not have access to the tabs until the user opens the pop-up.
2. Host permission: the extension needs host permission to get IP address from the domain from API. The extension does not send any data until the user opens the pop-up.