With this function, the resolver checks all associated URLs and marks them either with a green tick or, in the event of an error, with a red cross. Users are redirected to the first URL marked in green.

Analyse	urn:nbn:de:hebis:30:3-397743
	http://publikationen.ub.uni-frankfurt.de/frontdoor/index/index/docId/39774 STATUS : 429 → Skipping : http://publikationen.ub.uni-frankfurt.de/frontdoor/index/index/docId/39774
	http://publikationen.ub.uni-frankfurt.de/files/39774/NB_article_4007.pdf STATUS : 429 → Skipping : http://publikationen.ub.uni-frankfurt.de/files/39774/NB_article_4007.pdf
	http://publikationen.ub.uni-frankfurt.de/files/39774/NB_article_4006.pdf STATUS : 429 → Skipping : http://publikationen.ub.uni-frankfurt.de/files/39774/NB_article_4006.pdf

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