In the past few years, we have covered plenty of amazing WordPress plugins that add dynamic elements to your website. Preloader Awesome Pro is also worth a look. It is a neat plugin that lets you add loading animation to your pages. It has various page transition styles and CSS loaders. You can upload your own animated GIF and choose unlimited colors.
This plugin lets you customize loader size, font size, color, and other settings. It has a mobile friendly design. Ideal for company, e-book, game, band, event, and other similar types of websites. You can find out more about it here.