There are many popular websites on internet like Mashable, Facebook etc that provides their users AJAX powered infinite scrolling on home and other archive pages. Infinite scroll automatically appends the next page containing posts (via AJAX) to the page you are viewing as soon as the user scrolls the bottom of the page. Most WordPress users uses Jetpack by WordPress.Com plugin to enable this feature in their website. This tutorial is for the site owners who are not using Jetpack, there is no need of installing Jetpack only for activating infinite scroll module in your WordPress site. You can easily do so with a plugin called Infinite Scroll.