When activating your plugin takes time to checkout

Hi,

Im trying out your plugin and it has many good features. When activating your plugin it delay 4 seconds after I done the payment (I compared doing purchases with and without your plugin activated. Why can this happen and how can I make it not adding delay? We use Walley/Collector checkout plugin for the purchase.

BR
Andreas

The page I need help with: [log in to see the link]

 

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