What are more sites like this where the posts have been reviewed and have references?
"The panel is an informal group of redditors who are either professional scientists or those in training to become so. All panelists have at least a graduate-level familiarity within their declared field of expertise and answer questions from related areas of study. A panelist's expertise is summarized in a color-coded AskScience flair."
https://www.reddit.com/r/askhistorians are also fairly good at citing.
Both communities are self-accountable to an extent - If a poster makes a mistake or controversial comment, the other qualified members of the community are likely to correct them or provide a rebuttal.
Review is a pretty specific word. Do you think it's really a good fit for blogging? I don't.
Theconversation.com is curated, but non-blog non-peer-review semi-academic writing. It's by academics and research people with cites and comments. Maybe it's more suitable? There are about five editions, each sponsored by a national or local science funding agency, donations, tertiary institutions.
I know this is a non sequitur maybe, but I just think "reviewed blog" is pretty... Wierd. Maybe you've defined a niche I didn't realise existed?
Get the .com domain name before it's gone...
If an author is going to have their work reviewed, and approved, by an outside expert then they may as well submit it to a publisher so that it can be cited by others.