I'm migrating my blog and domain from prahladyeri.com to prahladyeri.github.io.

I've already implemented the HTTP 301 redirection in all pages and informed Google about the site move. After a month or so, my old domain will expire and go out of my control.

Is there a way to tell tildes.net to update my existing links which I've posted here to new ones based on their 301 redirection? Or some way to manually update them? What is the standard process on the Interwebs in this regard?

My question is would it be possible to have a user-level preference to not show posts which link to a certain domain?
I want to clarify, this would only affect the user (based on their preferences) and what they see on tildes.

Asking this question after seeing a bunch of posts from intlnewsdesk.org being posted here, and I am not able to find much about this site and would prefer not to provide more traffic to this site. (Seems like the user posting this signed up a day ago and pretty much has posted only articles to the above mentioned site).