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We ran a test using the Pagespeed Insights tool, and some of the recommendations include reducing unused CSS/JS code and eliminating render-blocking resources. You may enhance this by disabling the Enfold > Performance > File Compression settings and installing a third-party compression plugin such as Autoptimize, WP Super Minify, or BWP Minify. You can also utilize the default compression settings from cache plugins like WP Rocket or W3 Total Cache.
Another area for improvement is minimizing the impact of third-party code, including Google Tag Manager and scripts from sibforms.com. And you should also leverage browser caching, which can be achieved by editing your .htaccess file or installing a caching plugin.
Please check the articles below for more info about site optimization.