If I visit:
The top article is:
Full Time: Software Developer (Functional Programming) at Jane Street in New York, NY; London, UK; Hong Kong — GitHub Jobs, Jan 03, 2017
As a matter of fact Jane Street has published an article yesterday:
<link rel="alternate" type="text/html" href="https://blogs.janestreet.com" />
The planet is missing a few other blog posts (like the Caml Weekly News).
Seems this is still broken, but unfortunately I can't get to this right now.