Laser Loader v2.0.1 - Stylish Progress Bar Preloader
Plugin Laser Loader is very small (4,9 KiB) and fast. The plugin adds a little loading progress bar at the top of the page to indicate that the next page is loading.
Laser v1.0.2 - Page Loading Progress Bar for WordPress
Laser is a lightweight and easy to use WordPress plugin to add a page load progress bar.