Often, long strings of keywords like this appear in browser history or cache. If a page was closed, you can often "restore" (wiederherstellen) it using Ctrl + Shift + T in your browser.
Many sites move content to a hidden "trash" state for 30 days. Server Backups:
: Changing your DNS to a public provider (like Google 8.8.8.8) can sometimes bypass local ISP filters that make pages appear broken.