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On the admin page under the ngclient settings there is one option that can improve initial load performance when deployed:

servoy.ngclient.enableWebResourceOptimizer: This enabled the grouping of various js and css files, so the the browser only sees a few js and css files which are a combination of all the standard and component javascript and css files.

Things to avoid

  • Try to minimize the usage of controller.recreateUI(), Using the solutionModel is not a problem if you use it upfront to make all your forms the way you want. But try to avoid regenerating the forms all the time, this was quite cheap for the SmartClient, was already quite a bit heavier for a WebClient, but for the NGClient it has even more performance implications because quite a bit of logic needs o constantly be pushed to the client (besides a new template)
  • Try to avoid a lot of nesting of forms, for example use a portal component instead of tabpanel that has a tableview form again. Or using a form for just a toolbar that could be quite an easy component.
  • Try to avoid touching elements or forms when you are not (planning to) show them. Setting properties is not a problem, but calling api on an element of a form that is not shown means that we have to quickly create it (in a hidden div) so that the element is really alive.

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