This is a test page with an intentionally 100% Greek-script title, linked from https://anrghg.sunsite.fr/test-amp-compat/64-characters-▶-css-allows-all-non-ascii-😑/#1129-here-a-test-page-with-a-title-in-simplified-greek-using-a-transliterated

‘AMP’, in Greek usually a Latin initialism, has been transliterated for the purpose.