What internationalization is and why it's so critical. Teaches you how to apply internationalization to your WordPress code so that your website can cross the language barrier and reach a global audience. What is Internationalization? Internationalization is the process of developing applications in a way that can be easily translated into other languages. Internationalization is often abbreviated as i18n (because there are 18 letters between the letters i and n). WordPress is used around the world by people who speak many languages. Therefore, WordPress ...