Flow for us should be simple, clear, quick and easy to checkout
Top should show high-level step-by-step (3-5 steps), e.g. 1. Delivery 2. Payment 3. Review and Pay (depends on your design)
If customer clicks on “Add to Cart” on Product Detail page, website should show pop-up for customer to: 1. Checkout, 2. View Order, 3. Continue shopping
Next, if customer clicks on “Checkout”, next page, we should provide option to “Sign in” or “Checkout as Guest”:
Index Living Mall, SB Design and Heals UK - option for 1. Register or 2. Sign-in (no option for Checkout as Guest)
Habitat UK, Williams-Sonoma US and Wayfair US - option for 1. Sign-in or 2. Checkout as Guest