The web page is blank, what should I do?

PC Web - Chrome or general browser: 

Please check on your browser setting > content settings > JavaScript > allow to run JS. 

Mac Web - Safari 

1. Select Safari from the Apple/System bar at the top of the screen.
2. From the drop-down menu, select Preferences.
3. Select the Security icon/tab at the top of the window.
4. Check the Enable JavaScript checkbox under the Web content category.
5. Close the dialog box to save your changes.
6. Finally, refresh your browser.

Android - Google Chrome: 

Please check on your browser setting > (Advanced) Site settings > JavaScript > ALLOWED.

iOS - Safari :   

1. Select the Settings application/icon on the iPhone home screen.
2. Select Safari on the following screen.
3. Select Advanced, located near the bottom of the following screen.
4. Move the JavaScript toggle to the right so that it highlights green.

You may also try to clean your cache on your browser. After you clean the cache, close the whole browser and log in to the page. 

Please let us know if this issue still happened after you did the above.