It’s hard to imagine a centralized way of banning websites online.
Seems like the fediverse/Mastodon world is moving towards shared instance block lists, i.e. pick some people you trust and import their block list. For now it doesn’t seem to be a proper automated feature, just random github repos like the (awesomely named) BLOCKchain.
Post your response
If you write a response on your website, mark it up with h-entry and let me know the URL: