Planual Rules regarding reducing visual load.
3.03-01 Hick’s Law
Fewer items on a page enable faster decision-making.
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3.03-02 Summarize data
When working on your landing pages, try to minimize or summarize the data on these pages and hyperlink to more detailed pages.
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3.03-03 Keep it clean
Set a default color palette that's approved by your company and works for your users. Also, be consistent throughout the entire Anaplan application in order for the pages to flow and not be disjointed.
3.03-04 Split it up
Consider using multiple pages instead of putting all elements on one and forcing the user to scroll.