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:101:1-2020081122524216203792
	https://doi.org/10.1007/s40520-020-01615-y STATUS : 302 → Redirecting to : https://link.springer.com/10.1007/s40520-020-01615-y
	https://link.springer.com/10.1007/s40520-020-01615-y STATUS : 301 → Redirecting to : https://link.springer.com/article/10.1007/s40520-020-01615-y
	https://link.springer.com/article/10.1007/s40520-020-01615-y STATUS : 303 → Redirecting to : https://idp.springer.com/authorize?response_type=cookie&client_id=springerlink&redirect_uri=https%3A%2F%2Flink.springer.com%2Farticle%2F10.1007%2Fs40520-020-01615-y
	https://idp.springer.com/authorize?response_type=cookie&client_id=springerlink&redirect_uri=https%3A%2F%2Flink.springer.com%2Farticle%2F10.1007%2Fs40520-020-01615-y STATUS : 302 → Redirecting to : https://idp.springer.com/transit?redirect_uri=https%3A%2F%2Flink.springer.com%2Farticle%2F10.1007%2Fs40520-020-01615-y&code=c955eedb-3ad6-4906-9545-c39fbcd2d774
	https://idp.springer.com/transit?redirect_uri=https%3A%2F%2Flink.springer.com%2Farticle%2F10.1007%2Fs40520-020-01615-y&code=c955eedb-3ad6-4906-9545-c39fbcd2d774 ERROR : Got more than maximum allowed 3 redirects! Stopping to follow.
	http://d-nb.info/1215754574/34 ERROR : Got more than maximum allowed 3 redirects! Stopping to follow.

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