Many SE sites (like math.SE) have a problem with mixed content, which causes display bugs in recent browsers. This is particularly evident with math.SE (because of the huge use of MathJax) and with chat sections.
Will this be fixed?
How to reproduce
Mixed content is blocked, output is missing pieces of code (MathJax):
This picture also includes my main Firefox addons (top right), it relevant. It shows missing styles:
The white on the left is my tab list.