Asvin Balloo

This plugin will add a “Back to top” icon automatically to your blog. It features a smooth scrolling effect and customizable options such as the color, position and scroll duration, sprinkled with some cool CSS3 effect.
By <a href="http://htmlblog.net/" rel="nofollow ugc">Asvin Balloo</a>.
Supported features:
<ul>
<li>Smooth scrolling animation</li>
<li>Customizable options via the admin panel</li>
<li>Works on almost all browsers</li>
<li>No need to add any markup to your theme</li>
</ul>

WP To Top

This plugin will add a "back to top/ scroll to top" icon automatically to your blog.

Benoti

Brozzme Scroll Top, is a lightweight plugin that adds a fully customizable scroll to top button on every page. The button appears when a person scrolls, disappears on top. 
No coding skills require, No need to add any html to your theme.
** Works with Elementor page builder ** 
** Automatic Divi back-to-top disabling to use the plugin (and a customized button, without any css code !) ** 
** Automatic OceanWP back-to-top disabling to use the plugin **
Smooth scrolling animation, powered by jQuery 
Customizable colors, Material design style, responsive.
<ol>
<li>Enable Brozzme Scroll Top, when enable, check for a Divi theme and then automatically disable the theme back-to-top button</li>
<li>Button background color</li>
<li>Button background color on hover</li>
<li>Button border-radius</li>
<li>Select floating (left or right)</li>
<li>Set height and width of the button.</li>
<li>Set padding from bottom and left or right.</li>
<li>Animation speed.</li>
<li>Animation type.</li>
</ol>
Languages : English (en_EN) and French (fr_FR)
Read more in the plugin Help tab.
Link to <a href="https://brozzme.com/" title="Brozzme" rel="nofollow ugc">Brozzme</a> and <a href="https://www.wpserveur.net/?refwps=221" title="WPServeur WordPress Hosting" rel="nofollow ugc">WPServeur</a>.

Brozzme Scroll Top

No extra manipulations to use this plugin.



Simple

C'est parfait, simple a installer et le panneau d'admin contient tous ce qu'il faut :) :) :) 

Rien redire !

Simply add a fully customizable Scroll to top / Back to top button.

WP To Top vs Brozzme Scroll Top