eventline and timeline need a browser refresh (with "F5") to appear

From semantic-mediawiki.org

Hello, You can see what I mean here

Any idea ?

Nicolas NALLET (Sémantiki)

09:55, 15 July 2013

Jep, that is the same here. And was not all the time. I think it came with some Browser update (FF29 I suppose). IE11 does it without refresh. Oh, I see this post is some month old, so FF29 is out. But it worked before, but now nomore.

14:47, 9 May 2014