The job the page has to do
A Minecraft server listing gets about four seconds. The page has to answer what makes this one different, whether it runs on the device the reader owns, and how to get in, before any of them are asked.
So the headline states the rule the whole server is built on, the paragraph under it explains the death loop in four sentences, and the address is one click to copy. Everything else is below that.
The architecture decision
A module inside the game tails append-only tables and pushes them outward. The website reads a database and never speaks to the game server at all.
The obvious alternative is to query the live server whenever somebody loads a page. That is a denial of service you have written yourself, and it arrives on the day the server is busiest and most worth showing off.
Why it exists
I have a lot of built projects and very little a stranger can click. This is the piece that makes the largest of them visible without an account, an install or an invitation.