We'll create fresh WordPress site with Simple Goto Top Button installed. You have 20 minutes to test the plugin after that site we'll be deleted.
Add scroll to top button with simple way by using this plugin, this plugin make very easy steps for user to add scroll to top button without having technical knowledge, just install & activate plugin and goto top button will appear, also you will get setting page where you can enable or disable the button. you can add your custom arrow icon by uploading feature, you can try one time, you will not face any code confliction issue with this plugin.