this is just one of the instances
there are many more instances according to farside.link (which is a thing that will automatically redirect you to one of them: farside.link/teddit/ ) so by using this, you help reduce the load on individual instance, resulting in less “too many requests” errors for everyone.
Teddit and other alternative frontends were a perfect way to send someone a Reddit link when they didn’t have an account because the mobile web experience is just pure cancer.