The URL shortener that makes your links look as suspicious as possible.
Normal links are too trustworthy. Make them creepy.
Please see the below statement in regards to the legal nastygrams:
This website is a joke. Redirect pages are in place to inform the user of what website they are being directed to. It is not designed to "weaken global cybersecurity hygiene" and does not facilitate phishing.
This website does not violate any known laws, policies, or rules, to the best of the author's knowledge.
Valid concerns brought up in your letter have been addressed. Going forward, I would greatly appreciate if you would reach out at [email deobfuscation failed] to discuss concerns or problems with this service, rather than sending legal threats.