Not all content of a page will be loaded on the first execution

Hello, I have following issue on loading a new page. This page contains to diagrams with four traces. At the first attempt to load the page only the first diagram with tree traces will be shown complete. The other diagram is very often empty. If I am closing the page and reopen it immediately all widgets will be shown and contains data. Does somebody have an idea for the root cause of this behavior and how can I fix it? Thanks and cheers Ingo  
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