site 1
url : Create badass, fluid and smooth transition between your website's pages.barba.js is a small (4.4kb minified and gzipped), flexible and dependency free library that helps you creating fluid and smooth transitions between your website’s pages.
It helps reducing the delay between your pages, minimizing browser HTTP requests and enhancing your user’s web experience.
site 2
url : Barba.js TutorialPJAX(aka push state ajax)를 이용해서 페이지간 이동시 부드럽게 혹은 애니메이션을 추가 할 수 있도록 하며 다양한 효과가 가능