Cart updates that happen without the page reload.
Every time a shopper hits 'Add to Cart' and the page reloads, you lose momentum. Cartylabs replaces that reload with an instant Ajax update and opens a cart drawer with upsells while the shopper is still engaged.
Every page reload is a moment when shoppers can leave.
The default Shopify add-to-cart redirects to /cart, a full page load that takes the shopper away from what they were browsing. Many never come back.
Ajax cart intercepts that redirect. The cart updates in the background. The shopper stays on the product page, and a slide-out drawer opens to confirm the add and show relevant upsells.
See the slide cart in detail →- Add to cart → full page reload
- Shopper loses scroll position
- Browse momentum broken
- No upsell opportunity
- Add to cart → cart drawer opens
- Shopper stays on product page
- Momentum continues
- Upsell shown at peak intent
A complete Ajax cart experience.
Everything live-updating, nothing requiring a page reload.
Add to cart without page reload
When a shopper clicks "Add to Cart", the product is added and the cart updates in milliseconds with no page navigation and no lost scroll position.
Live quantity controls
Shoppers can increase, decrease, or remove items directly in the cart drawer. Totals recalculate instantly via the Shopify Cart API.
Live shipping calculator
Show estimated shipping costs based on the shopper's location before they reach checkout, reducing surprise drop-off at the payment step.
Cart note and gift message
Let shoppers add order notes or gift messages directly inside the Ajax cart. No separate page or form required.
Discount code field
An in-cart discount input that validates codes in real time and applies the discount to the visible total before checkout.
Upsells after add-to-cart
The moment a product is added via Ajax, Cartylabs surfaces a relevant upsell offer inside the cart drawer, either AI-picked or manually configured.
What is an Ajax cart on Shopify?
An Ajax cart uses the Shopify Cart API to update cart contents without reloading the page. When a shopper adds a product, the cart count and drawer update instantly in the background. This reduces friction and keeps shoppers in their browsing flow.
Does my Shopify theme already have Ajax cart support?
Some themes (like Dawn) include basic Ajax add-to-cart. However, the full cart drawer experience with upsells, progress bars, and a slide-out panel requires an app like Cartylabs. We enhance whatever Ajax support your theme already has.
Will this conflict with my existing theme cart?
Cartylabs detects your theme's existing cart implementation and integrates with it. In cases where a conflict occurs, our support team resolves it, typically within a few hours.
Does Ajax cart work on Shopify Plus?
Yes. Cartylabs works on all Shopify plans including Shopify Plus. On Plus, we can also extend into the checkout itself.
Can I keep the /cart page as well?
Yes. The standard Shopify cart page remains available. Cartylabs intercepts the add-to-cart action to open the drawer, but the cart page is still accessible via direct URL.
How does the Ajax cart affect site speed?
Ajax carts improve perceived performance because there's no page navigation. Cartylabs loads asynchronously and scores well on Core Web Vitals. We've tested across hundreds of themes.
Make every add-to-cart instant.
Free to install. No theme coding. Live in minutes.
Install free on Shopify