Do you have a WordPress site that doesn’t have active comments? Do you use Disqus or another system that replaces the native WordPress commenting system?
Specifically, the script is this:
And the only thing you have to do to stop it from loading is to add this function to your optimizations plugin or to the functions.php file of the active theme:
Note: Don’t do this optimization if you use the WordPress commenting system or it will be impossible for users to respond to comments.