Go to:
https://en.planet.wikimedia.org
https://zh.planet.wikimedia.org
After clearing the SSL warning screen (this appears to be bug 31335 ), I am taken to a slightly dated official WMF blog page (it's the same for both languages). I expect the served content to match http://en.planet.wikimedia.org and http://zh.planet.wikimedia.org respectively, but served over HTTPS.
Version: unspecified
Severity: normal