Add a blog
One domain. No account, no email, no reason needed. It can be your own blog or somebody else's — the people who know about a blog nobody has listed yet are its readers and its author.
What happens to it
A submitted domain becomes a row on a list of domains waiting to be read — it does not join the index by being typed here. We look for a feed at it, because that is the step that tells a blog from a product page: this crawler reads feeds, one page per post a feed names, and a site with no feed is never fetched at all. Then a person decides.
There is no status page and no email, because there is no account to hang either on. If the blog is yours and you want the record of it to be yours to correct, claim it instead: that is proof of control, and it takes one tag on your homepage.
What is refused
A blogging platform's own address — medium.com, bearblog.dev — because one row cannot stand for every blog on it; submit the host the platform gave the writer instead. And the infrastructure of the web — Wikipedia, GitHub, a CDN — which every blog links to and none of them is. Both are refused at the door and told to you, rather than accepted and dropped quietly later.