I noticed there is no navbar on all blog pages, but the en one.
Yes. That was a quick hack.
The solution is to put a navbar publishing service somewhere, and have all sites source their navbar from this one (I did that before, and that's the most efficient to ease update and deployment of new top bars, unless it is static).
Pinging, because nothing has happened with this report for more than 3 months, it still has the status NEW or REOPENED.
fixed with the new navbar
en and fr are ok. Other blogs need the <script> tag to be propagated in each template. I mailed blogteam about that.