I am working on an interface like above
and each time a component is added or configured, it takes about 10 to 30 seconds to load.
Is it normally this slow? Or is there a way to speed up.
+ The interface form is requested by the customer, so separating the interface into parts will not be a selectable choice.
Thank you.
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It is not slow usually. You might need to check the Appian performance and its execution engine's health.
That's certainly plenty of input fields but even with that it should only take a few seconds to load at most if you're not doing anything unnecessarily load-intensive in the background. I'm a little unclear what you mean by "each time a component is added", but 10-30 seconds seems high. My first guess is that you're doing unnecessarily large or repeated queries in the background for your dropdowns or other on-form data, which I have no way of knowing without seeing some sample code.
One more thing to take into account, the UI editor is running JavaScript in browser. In case you have an old/slow machine, large interfaces might become a problem. Especially if you have lots of other software running.
In my experience the UI will be a lot faster for normal users outside the editor.