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:ch:serval-BIB_DD08F5B731F76
	https://serval.unil.ch/notice/serval:BIB_DD08F5B731F7 STATUS : 302 → Redirecting to : https://serval.unil.ch/en/notice/serval:BIB_DD08F5B731F7
	https://serval.unil.ch/en/notice/serval:BIB_DD08F5B731F7 STATUS : 503 → Server error during contacting : https://serval.unil.ch/en/notice/serval:BIB_DD08F5B731F7
	https://serval.unil.ch/resource/serval:BIB_DD08F5B731F7.P001/REF STATUS : 503 → Server error during contacting : https://serval.unil.ch/resource/serval:BIB_DD08F5B731F7.P001/REF

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