haha could be anything, to me it looks like "there's a bug, i'm broken please fix" but it could be anything

tons of abandoned sites on routers from people that keep them running

for all we know it could be a front, some people do this as a honeypot to see what the vulnerability scanners are up to so they can protect their main sites better

there could be something else on another port or you need to auth somehow to see the "real" site

probably just a dead site though but you never know