techn. specifics?

p.s. Where can I find this and other data on the steemit system?
Steemit is such a genious project, I don't understand why there no such as:
tech specifics at a very central point of the page, so we dont have to ask all these simple questions the answer to which get outdated. This guessing around is not nice, there should be / could be a link at the page footer, for example, or in the menu/s, so that even a newbie can find it: