Most Welcome,
In general, our theme is already optimized and don’t have too many resources to make your website slow. Most likely, your website performance suffers from the content you have added to your website. It may happen in case of too many plugins, large not optimized images or other resources. So we suggest you to remove unnecessary plugins, install some kind of JS & CSS optimizing plugins like Better WordPress Minify and caching plugin like WP Super Cache. Normally, we suggest GTmetrix tool to see what makes your website slow and optimize these parts of your website.
But in your case you already test your site with GTmetrix, and I have also check your site with GTmetrix, your website is quite fast and you can also seen that page speed score is 97%.
You shared two static components without a far-future expiration date. Where you found those two components. If both of them did not use anywhere then you can simply delete them.
There is no such option available in theme to combine those 8 external Javascript scripts into one. They might be included in different directories and used for different purposes.
It requires customization to minified 3 components which are script tag using inside some files. This is beyond our limitations and support policy.
To use a cookie free domain you can check the below article:
https://wpspeedmatters.com/cookie-free-domain-in-cloudflare/
Best Regards.
.
