404. That’s an error.
The requested URL /add?feedurl=http://de.gigajob.com/job/DE-44135/Dortmund/Wochenendjob.rss was not found on this server. That’s all we know.
/add?feedurl=http://de.gigajob.com/job/DE-44135/Dortmund/Wochenendjob.rss