404. That’s an error.
The requested URL /translate_c?depth=1&pto=aue&rurl=translate.google.ru&sl=en&sp=nmt4&tl=ru&u=https://10fastfingers.com/typing-test/english&usg=ALkJrhji8HkPR--BY7wWWWViPrGXh-J7Eg
was not found on this server. That’s all we know.