How to ensure the Shopify shopping cart is displayed on all pages of my Webflow site after integrating the "ADD TO CART" button?

TL;DR
  • Embed the Shopify Buy Button script globally via Webflow's Project Settings > Custom Code > Footer.  
  • Use a Webflow Symbol (e.g., in the header or footer) containing the Shopify embed and add it to all pages so the cart persists.

To ensure the Shopify shopping cart is visible across all pages of your Webflow site after integrating the Shopify "Add to Cart" button, you need to include Shopify’s cart functionality on all pages where you want it accessible.

1. Embed Shopify's Buy Button Script Globally

  • When you generate the Shopify Buy Button, Shopify provides a JavaScript snippet and iframe embed code.
  • The snippet initializes the Buy Button SDK, which also includes the cart functionality.
  • Ensure you place this script in the site's global custom code, ideally in Project Settings > Custom Code > Footer. This ensures the cart logic is available site-wide.

2. Use a Persistent Cart Node

  • Shopify’s Buy Button embeds a floating cart by default unless modified.
  • Make sure the cart node isn’t page-specific. If you only embed the cart or button on one page, it won’t persist across page loads.
  • To create persistence, embed the Buy Button with cart on all pages manually or use a Webflow Symbol that includes the embed.
  • Create a Webflow Symbol for your header or footer, and place the Shopify embed inside it. Add that Symbol to all pages.

3. Avoid Page Reloads with Webflow’s SPA-Like Page Transitions (Optional)

  • If your site uses Webflow's native page reloads, the cart iframe will refresh, and some session info might be lost temporarily.
  • Use external tools or custom code to implement smooth page transitions if you want a single-page-app feel where the cart state persists more cleanly.

4. Verify Cart Visibility Settings in Shopify

  • When building the Buy Button in Shopify, ensure the cart behavior is set to “Pop-up cart” or “Show cart icon.”
  • Shopify gives options like “redirect to cart,” which breaks continuity. You want a floating cart to maintain visibility.

5. Test Across Pages

  • After embedding and publishing, navigate through multiple pages of your Webflow site.
  • Add items to the cart on one page and confirm the cart icon and item count persist on other pages.

Summary

To display the Shopify cart across all pages in Webflow, embed the Shopify Buy Button script globally and place the cart-related embed (including the cart icon) in a Webflow Symbol used on all pages. This ensures Shopify’s JavaScript and cart container are consistently loaded across your site.

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