http://pub.bna.com/ptcj/1051462Jan11.pdf
GDPR-shield's original T&C was actually copied from ShareKit, which is another product from the same company:
But going paragraph by paragraph down the terms, you get this list of companies, all with the same language:
https://www.google.com/search?q=%22Except+for+certain+kinds+...
https://www.google.com/search?q=%22You+must+be+at+least+%5B1...
https://www.google.com/search?q=%22To+access+most+features+o...
https://www.google.com/search?q=%22The+Service+will+require+...
https://www.google.com/search?q=%22may+seek+pre-authorizatio...
https://www.google.com/search?q=%22The+Service+may+include+a...
https://www.google.com/search?q=%22may%20suspend%20or%20term...
That's only through section 4, but so far every clause is legal boilerplate except for the first paragraph of section 4, which is unique to ShareKit (and ThreadRadar, another product by the same entrepreneur).
https://buffer.com/terms VS: https://gdpr-shield.io/terms - Saved here https://web.archive.org/web/20180504020320/https://gdpr-shie... for good measure
Which is illegal to begin with. You even forgot to replace the part that explains what the service does and left the part that says that gdpr shield "provides a social media management tool".
You're selling something that just basically does a geoip lookup, and then tries to block people from an entire continent, with pure JS, which can be easily avoided, by the way. I'm shooting buffer an email to let them know you're infringing on their legal material.