This repository contains the script used for the blog post above.
Python 3
pip install requests
pip install beautifulsoup4
A ScrapingBee API key, you can get one here for free with 1000 credits: https://www.scrapingbee.com/
You'll need a ScrapingBee API key because the proxy list websites are will block your IP after a few request, which is kind of ironic :)
Then you will find the instructions inside the script to perform the test against different website & proxy lists.