1/ We do not see the problem. Make sure that your browser is up to date.
Try to disable all the third-party plugins (including cache plugins), that do not come bundled with XStore https://xstore.helpscoutdocs.com/article/36-included-plugins , clear cache of browser, and check then. Maybe one of the additional plugins is a reason for the problem.
https://prnt.sc/bAZ_2wd-wZmy – https://kinsta.com/blog/make-fewer-http-requests/ https://wpastra.com/add-expires-headers/ https://wpengine.com/resources/how-to-enable-gzip-compression-for-wordpress/
One standard license is valid only for 1 project. Running multiple projects on a single license is a copyright violation.