Latency-optimized ThredUp cart hoarding tool. Forked and improved from cart-hoarding/thredup-cart-hoarding.
- Replaced blocking
setIntervalwith visibility-aware polling (pauses when tab is hidden) - Added animated loading states so the page feels fast on first load
- Replaced deprecated
document.execCommand('copy')with modernnavigator.clipboardAPI - Added
preconnecthints for CDN resources to cut render-blocking time - Added explicit request timeout (8s) with user-friendly error fallback
- Removed redundant Bootstrap JS from
buy.htm(not needed) - Cleaned up dead/commented-out code
- Frontend: Deploy this repo to Vercel (static, instant global CDN)
- Backend: Keep API on Railway paid/always-on at
server-production-4c65.up.railway.app