http://askiiart.vernccvbvyi5qhfzyqengccj7lkove6bjot2xhh5kajhwvidqafczrad.onion/blog/300.html
From RFC
9110 , again: It is possible to communicate the list using a set of Link
header fields RFC5988 ,
each with a relationship of "alternate", though deployment is a
chicken-and-egg problem.