Sometimes when your network configuration has it's default settings, there is a chance that data or images on website can sometimes not show.
Here is a guide on how to fix issues like these.
Go to System Preferences. You can find it by pressing
Space on your keyboard and typing
Select the Network icon > Advanced.
Select the DNS tab.
Select the + you see in the bottom left.
Select OK > Apply.
If your issues persist after the steps mentioned above, please open a ticket for further assistance.