This is the FSF's Uptime Kuma instance. Viewing this page with a browser requires JavaScript to be enabled, but the JavaScript is free software, LibreJS compatible, and unmodified from the original source found in the https://github.com/louislam/uptime-kuma/ repository.
If using JavaScript at all is an issue, email sysadmin@fsf.org to request an API key and a command to check the current uptime from the command line.
Source code:
upstream
,
JS Licenses