My game freeze and stuttering and I don't know what to do.
is there a way to know where it cames from?
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construct.net/en/make-games/manuals/construct-3/tips-and-guides/performance-tips
If you can isolate when and under what conditions it occurs, you'll be able to narrow it down more. It may also be a good idea to test on different browsers and devices.
You can run the game in debug mode and see what the problem is.
You can post the "c3p" file here and we'll take a look.