Free jQuery Scroll Depth Plugins
All the Free jQuery Plugins about 'Scroll Depth' are listed here.
scrollDepth is ajQuery plugin for webpage UX / SEO that detect the distance the user has scrolled and then send the data to Google Analytics via events.
A minimal JQuery script that tracks how deep the users scroll on your page and displays the scroll depth as a live update percentage bar.
Scroll Detection is a small jQuery plugin that tracks how far users are scrolling and triggers an event when the scroll depth reaches a target percentage.