This plugin will enable Awesome Modals box in your WordPress theme.
This plugin cache web requests and store static html code to your database.
Use cache manifest in wordpress themes
WP Preloader is a simple and customizable wordpress preloader plugin. Very easy to use.
EasyScroll adds an endless feed of posts to your site wherever you choose (even custom post types!).
Adds a customizable loading screen to your blog whenever a page loads.
Add preloader to your website easily, responsive and retina, compatible with all major browsers and full customize.
This plugin adds beautiful effect while page is loading