404. That’s an error.

The requested URL /translate_c?depth=1&hl=ru&prev=search&rurl=translate.google.com.ua&sl=de&sp=nmt4&u=https://de.wikipedia.org/wiki/PH-Wert&usg=ALkJrhguMM8wZfK355p-KDcyXAw6cuuB9w was not found on this server. That’s all we know.