404. That’s an error.

The requested URL /_/+1/confirm?hl=de&url=http%3A%2F%2Fwww.deutschlandradiokultur.de%2Feffektiv-und-effizient.976.de.html%3Fdram%3Aarticle_id%3D260972&title=Effektiv%20und%20effizient%20(Archiv) was not found on this server. That’s all we know.