Steps to reproduce

1.  Add log to see time execution for function createDashboardComponent. Ex: execution-time.diff. See img  
2.  Add some widgets of matomo, google, adobe
3. Restart the instance, open analytic app and drag drop 2 times 
4. Comment the code #doDateOrDecimalNumberFormatting and repeat the step
5. Compare 2 execution times. See the time executions of doDateOrDecimalNumberFormatting is bigger than 

Logs, screenshots, gifs...

Expected results

.. Justify non-trivial expectations with a link to a doc or a relevant discussion.

Actual results

// #doDateOrDecimalNumberFormatting is commented 
Execution time in milliseconds: 5340
Execution time in milliseconds: 61
Execution time in milliseconds: 76






// #doDateOrDecimalNumberFormatting is running
Execution time in milliseconds: 7756
Execution time in milliseconds: 7396
Execution time in milliseconds: 4187

Workaround

Development notes

https://git.magnolia-cms.com/projects/ADDON/repos/analytics/browse/magnolia-analytics-amcharts/src/main/java/info/magnolia/analytics/amcharts/vaadin/AmChartsComponent.java#109

The json after format date or decimal must be cached to improve performance of loading