src.fp.o theme tries to connect to https://apps.fedoraproject.org/mdapi/rawhide/srcpkg/{package_name}
When mdapi returns 404s, we are getting a X-Content-Type-Options: nosniff block from firefox since the 404 error's mimetype is text/plain.
X-Content-Type-Options: nosniff
text/plain
Reproducer: https://src.stg.fedoraproject.org/rpms/fedocal & https://apps.fedoraproject.org/mdapi/rawhide/srcpkg/fedocal
Is that the problem though? When I look at the console in Firefox, I see a block due to CORS.
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