Oldest one would be this, where I mention Diaspora as "alpha": https://rys.io/en/5.html - just over 10 years ago!
And 9 years ago still had RSS feeds for each account: https://rys.io/en/75.html
Today on fedi you can get RSS feeds. Here's mine:
And so almost 10 years ago I thought we need a Diaspora-based comment system:
This we can do today thanks to @carl : https://carlschwan.eu/2020/12/29/adding-comments-to-your-static-blog-with-mastodon/
About a year later I went a bit further - why not have "social blogosphere", which federates natively? https://rys.io/en/92.html
There are many things I love about this one. For starters, it's been translated into Spanish by @email@example.com and contributed to intellectually by @forteller .
In those 9 years Steps 0 and 1 got figured out: we have an agreed-upon protocol (ActivityPub), and we are close to having awesome mix of services (my pick: @yunohost ).
This is going well.
Server run by the main developers of the project It is not focused on any particular niche interest - everyone is welcome as long as you follow our code of conduct!