Hello,
for some times now, I have troubles browsing and editing the Trinity 
Wiki using Firefox.
It looks a security feature was enabled by defauit starting in Firefox 
23, which consists of blocking the "mixed content".
It means that a web site that is accessed using secure connection 
(https://) is not allowed to load items that are located on non-secure 
URL (http://)

In our case, the wiki is automatically using https:// , but many 
resources (style-sheets, javascript files ...) are using http:// URL. 
With all these items missing, the wiki is almost unusable.
As a workaround I can disable the setting in Firefox, but I think it 
would be better to configure the Wiki so that all items are loaded 
through https.

François