This is a simple blocklist for those SEO abusing sites that are just copies of StackOverflow/Github.
The work of finding and listing the sites is done by @arosh. This repository generates a pi-hole compatible blocklists from his findings.
To add the blocklist to your Pi-hole (or any other DNS based blocker), use the following link:
https://github.com/HeavenVolkoff/no-copycats/releases/latest/download/no_copycats.txt
https://github.com/arosh/ublacklist-github-translation
https://github.com/arosh/ublacklist-stackoverflow-translation