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I have a JSF page with charts without AJAX support. I noticed that the time of loading of the charts is very slow. Is it possible for example to load the body of the JSF page and to display “Loading…” inside the DIVs where the charts are positioned while the chart is being loaded? I use Primefaces for charts generation.
You could experiment with BlockUI and the preRenderComponent event for the chart. Refer this link How to display ‘loading’ while loading PF chart