XO Insert Code is a great solution that gives you the ability to add code to your Shop pages! You can add anything you want including scripts, styles, custom CSS, Google Analytics, Facebook Pixel, verify header tags and more. It's very easy to do: just turn it on and paste any code (javascript, style CSS, custom HTML code) into the app's form, click Save and you're done! This app makes it easy for anyone to insert code into their header and footer.

Drive sales and repeat purchases with a powerful wishlist app that lets customers save their favorite products, create multiple wishlists or gift lists, and easily share through email or social media. Re-engage shoppers with automated back-in-stock, price-drop, and low stocks alerts that create urgency & encourage purchases. Fully customize your wishlist page, icon, & header to match brand. Support GDPR with email opt-outs, multilingual templates, and preferred language settings for alerts.

Go beyond the basics with the Klaviyo marketing app. New stores get a guided setup — sign-up form, welcome email, and abandoned-checkout flow — without leaving Shopify Admin. Unify data from 350+ integrations and boost marketing performance with campaigns, smart segmentation, and automated workflows from Klaviyo’s AI Agents. Over 117k brands use Klaviyo and Shopify to grow faster with personalized emails, SMS, WhatsApp messages, and marketing automation tools that turn browsers into buyers.