What should I do if the site does not display correctly in Mozilla FireFox?

Question

Mozilla

Problem solved!
Good afternoon! Tell me what could be the problem. Subscribers complain that the site does not display correctly in the Moziila browser. Checked through the services - such a problem on all FireFox browsers.
Seen like this:

Patient: alfainvestor.ru
PS. This is not related to the transition to https, since it was switched to for a long time and there was no problem. Plugins disabled and enabled, the problem is not connected with them.

Answer 1

you have 22 302 errors - take a poker and stick it to the hoster, but deeper ...