You will need to install a user script manager extension to install this script.
The following couple of options are available via a discrete, XNXX-themed sidebar that expands on hover at the bottom right of the site once installed.
Some improvements are done behind the scenes:
It's not much as of now, but hopefully one day it will be.
Disclaimer: The features of the Plus-scripts are developed for my own use. They add a few personal conveniences and remove some of my annoyances, all of which may offer little value to others. So feel free to fork them and make them more in line with your own use cases.