Leo Baiano

This plugin includes a button that appears when the user scrolls the scroll bar when you click the button the user is taken to the top of the site.
Visit the <a href="https://wordpress.org/plugins/lb-back-to-top/screenshots/" rel="ugc">Screenshots</a> tab to see an example of the plugin running.
<h4>Credits</h4>
<ul>
<li>JS Script <a href="http://www.developerdrive.com/" rel="nofollow ugc">Jonathan Schnittger</a></li>
</ul>

LB Back To Top

Including button that takes the user to the top of the page.

Out the Box

A simple and customizable back to top button.
Add a back to top button to your site quickly and easily with this simple and easy to configure plugin. With settings to customize the size, color and style adding a back to top button to your site couldn’t be easier! No HTML or CSS knowledge or changes to the theme required.

Beam me up Scotty – Back to Top Button

Add a back to top button to your site quickly and easily with this simple and easy to configure plugin.

LB Back To Top vs Beam me up Scotty – Back to Top Button