It is happening to the smallest proportion of players and appears to be with caching issues, either on your machine, or your internet provider. Conquer Club has new servers, new hosting, so it means the website has a new IP address also.
A few things you can try
1) clear your browser cache - you can find instructions on google, or if you post your browser here (please include browser number) and I will get instructions for you
2) Clear your computers DNS cache - instructions -
https://documentation.cpanel.net/display/CKB/How+To+Clear+Your+DNS+Cache3) reboot your modem
If you are still having issues, please post here (and send me a PM)