Speeding Up WordPress On Ubuntu 22.04

I currently am the owner of a website for a school project. It is my first time using WordPress and I host it on Oracles free ARM capacity (24gb ram 4 core) on Ubuntu 22.04 with apache2 (done with this tutorial https://ubuntu.com/tutorials/install-and-configure-wordpress#1-overview). I have a caching plugin that i set up with a tutorial as well as a bunch of other plugins such as woocommerce, elementor etc. (nothing too crazy) and have nothing else running on the VM. The domain of the Site is https://alvetia.ch (excuse the terrible english version, it is being worked on) and webpagetest.org gives the following results: https://www.webpagetest.org/result/230522\_AiDcKP\_EEG/ Does any of you Webhosting specialists know what could be the issue of the slow loading speeds? Let me know if you need additional information to my site to fix the issue Thank you very much!


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