I can't understand why http://www.endangeredlanguages.com/ http://www.endangeredlanguages.com/ is always trying to redirect me to /nojs and say it needs javascr

I can't understand why http://www.endangeredlanguages.com/ http://www.endangeredlanguages.com/ is always trying to redirect me to /nojs and say it needs javascript. With blocked redirects I can navigate that site just fine. It clearly works without JS, expect it lacks Google Plus and something else.