ipdata is a JSON IP Address Geolocation API that allows to lookup the location of both IPv4 and IPv6.
ipify is a service which provide public IP address API, IP geolocation API, VPN and Proxy detection API products.
Java is a class-based, object-oriented programming language that is designed to have as few implementation dependencies as possible.
jQuery UI is a collection of GUI widgets, animated visual effects, and themes implemented with jQuery, Cascading Style Sheets, and HTML.
jQuery is a JavaScript library which is a free, open-source software designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax.
Naver Analytics is a Korean based analytics service.