I need an experienced WordPress & WooCommerce developer to fix a UI loading delay issue on my single product pages. Problem: Single product page layout does not load instantly UI appears broken/unstyled for 15–20 seconds Page becomes normal only after: Touching the screen Scrolling Clicking anywhere Issue happens mainly on mobile devices This is affecting user experience and sales My setup: WordPress + WooCommerce Astra theme Custom CSS added via Code Snippets Some layout customization on checkout & product pages What I need fixed: Product page UI must load instantly on first load No waiting, no touch/scroll trigger Fix CSS/JS loading order issues Remove layout shift (CLS) Ensure critical CSS loads first Fix any WooCommerce / theme / plugin conflicts Solution must be permanent, not a hack Requirements: Strong experience with WooCommerce & performance optimization Understand render-blocking JS, CSS injection issues, and Core Web Vitals Must test on real mobile devices Not acceptable: Reload tricks or timeout hacks Temporary fixes Removing features to hide the issue