This is not our first theme purchase or website we have made in WordPress.
Please check below websites which are opening in GT Meterix and having good scores there:
https://blog.japanesecartrade.com/
https://faq.japanesecartrade.com/
https://news.ramadbk.com/
https://study.gaijininfo.com/

Only the issue is coming with your theme website: https://shop.ramadbk.com/
that is not opening in GT Metrix and showing unhealthy in the cloudflare account.