/assets/ is incorrectly linked to (pointing to /sinon//assets/ instead of simply /assets/). I have a feeling
{{ "/assets/..." | prepend: site.baseurl }} -> {{ "/assets/..." }}
would fix it (which I'll test when I can).
This is a bug in GitHub pages that started occurring on all GitHub pages today! It should be closed in a few hours when GitHub notices.
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I talked to support and they have fixed the issue a few hours ago. My own site was down for the same reason and they triggered a rebuild after fixing the issue. I have asked them to do the same for our site.
It seems as if we might be subject to another bug as well, as we get redirected to another domain as well. Going to sinonjs.org/docs redirects to http://sinonjs-3231d9877a.drafts.github.io/sinon/releases/index.html
Fixed after they rebuilt the site
:+1:
http://sinonjs.org/ still broken锛寃hen it can been fix锛焧hx

@huanghuiquan that was probably a temporary network issue, it's working for everyone it seems
Sorry锛孖t was my fail, I used http protocol while it should https
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This is a bug in GitHub pages that started occurring on all GitHub pages today! It should be closed in a few hours when GitHub notices.