SoftProdigy offers One-Page Checkout Magento2 Extension that helps online shoppers 40% faster checkout with dynamic loading that should be every eRetail store.
Shared are the key features of them:
1) One-Page Checkout
2) 40% Faster Checkout
3) Dynamic Loading
4) Coupon Code Available Early
5) Billing Address Below Shipping
6) Display Payment Methods
7) Responsive Design
8) All Payment Methods Supported