I would like to get some information about the https protocol of the site :
https://www.savoypo.sk
Internet Explorer 8 says that there is a problem with the certificate and after that the site is totally destroyed. In firefox everything looks fine. Chrome looks fine too.
well, it happened again ... it happens random when the cache isn't cleared. I don't wanna turn off the cache, cause it helps the loading speed a lot. Any suggestions ?
Problem with your site is that some of the content is delivered using HTTP and part of the content is delivered using HTTPS. You will have to configure your server and Joomla to work only through HTTPS. Since this is really a core Joomla configuration you should try to find help regarding this on official Joomla forum