Gnuboard/YoungCart Checker is a free Chrome add-on developed by hanjongbae. This handy tool allows users to quickly determine if a website is built using the popular Korean open-source platforms, Gnuboard or YoungCart. Gnuboard and YoungCart have been widely used in South Korea since the early 2000s, serving as the go-to solutions for community forums and online shopping websites. They have also gained popularity among Korean expatriates and have been adopted by many sites worldwide.

With the Gnuboard/YoungCart Checker add-on, users can easily verify if a website is based on Gnuboard or YoungCart. Simply click on the add-on icon or use the shortcut Ctrl+Shift+K (Mac: MacCtrl+Shift+K) to quickly check. It should be noted that the add-on may not be able to detect websites using older versions of Gnuboard (prior to Gnuboard3) or heavily modified code.

This Chrome add-on is a valuable tool for anyone interested in identifying websites built on Gnuboard or YoungCart, providing a convenient way to gather information about the underlying platform.