Nowadays, more and more websites support two or more languages. More languages supporting simply means more customers your website would. i18n (internationalization) is a solution to localize a web application into different languages and cultures, this is not simple process especially you have a large web application.

However, if you are using nodejs, thanks to many open-source i18n node middleware, you can deploy i18n solution without too much pain. This blog provides a simple demo to show how to build a multi-language website by using node and its i18n module.