Pavlovia experiment loading slowly

URL of experiment:

Description of the problem:
I finished building my experiment and want to run it. I have noticed that the loading section in the beginning is running very slow (downloading XX/434).
The gitlab project is 303 MB. I looked at the directory in my computer I am synching to - a total of 91MB. it has all the files I need including the code, stimuli, data, and html folders. I also have a “.git” folder that is 310 MB. how can I make it smaller? or any other idea to remove excessive files?

Would appreciate any kind of help,