Question about astra theme

Hi so when i first made my wp website i used astra themes bc i thought it would make my job easier but as i started editing my wrbsite more i realized that i didnt even need the astra theme and couldve just built my website from scratch

Now the problem is, my website’s performance is really bad and removing astra theme completely from it would make it better.

My question is, is it possible to just delete astra theme and still keep my website the way it is without anything going wrong or having all my progress deleted along with the theme? If yes pls lmk how or send any tutorials u might have and thank you!

 

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