448 third-party hosts, ranked by how often we saw them
Each host below appeared on at least two of the 187 United States store cart pages we read on 30 August 2026. 137 of them were loaded by a script or iframe tag on at least one store, which is the subset that actually runs code next to a payment form. 165 publish no description on their own website.
To see what is on your own page rather than on someone else's, run a scan from the front page. The method page explains how the list was collected and what it misses.
A row with an oxide left edge executed on at least one store. Those are the ones that run code next to a payment form.
“Seen on” counts stores, not requests. A host loaded three times on one page still counts once.
Payment
19 hostsProvides buy-now-pay-later and alternative payment method integration scripts for ecommerce checkout flows.
Provides buy-now-pay-later financing options and checkout integration for merchants.
Shopify payment gateway processing checkout transactions and managing customer payment details securely.
Provides buy-now-pay-later payment processing and checkout integration.
Facilitates cross-border checkout, currency conversion, and international shipping logistics for online stores.
Facilitates cross-border checkout, currency conversion, and international shipping logistics for online stores.
Processes online transactions and manages payment gateway integrations for merchants.
Enables buy-now-pay-later checkout options allowing customers to split purchases into installments.
Vendor site returned no description; identity not confirmed by this scan.
Cross-border payment calculation and currency conversion service.
Cross-border e-commerce platform handling international payments and checkout reconciliation.
Vendor site returned no description; identity not confirmed by this scan.
Processes buy-now-pay-later checkout flows and manages installment payment scheduling for customers.
Facilitates cross-border checkout, international shipping, and duty calculation for online retailers.
Facilitates cross-border checkout, international shipping, and duty calculation for online retailers.
Vendor site returned no description; identity not confirmed by this scan.
Tag manager
4 hostsGoogle Tag Manager container host. Loads whatever tags the container is configured to load, which can change without a site deploy.
Collects and unifies customer interaction data across web and mobile applications.
Vendor site returned no description; identity not confirmed by this scan.
Publishes educational resources and tutorials focused on web analytics and tag management implementation.
Fraud and security
9 hostsVendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Provides bot mitigation and risk verification challenges for web traffic.
Blocks malicious automated traffic and bots to protect website availability and security.
Vendor site returned no description; identity not confirmed by this scan.
Enables single sign-on access using credentials from major social media accounts.
Analyzes transaction intent to prevent ecommerce fraud and reduce chargebacks.
Consent
19 hostsPrivacy compliance tool managing user cookie preferences and regulatory opt-in tracking.
Processes consent signals and enforces tracking restrictions via edge functions.
Delivers cookie consent banners and manages user privacy preferences.
Delivers website accessibility overlay and WCAG compliance tools for users.
OneTrust platform managing user consent preferences, cookie banners, and privacy compliance workflows.
Provides privacy regulation compliance tools for Shopify stores across multiple jurisdictions.
Manages privacy governance, AI oversight, and consent collection for enterprises.
Manages cookie consent banners and privacy policy compliance for websites.
Manages cookie consent banners and ensures compliance with privacy regulations like GDPR.
Vendor site returned no description; identity not confirmed by this scan.
Manages user geolocation data for privacy compliance and consent routing decisions.
Provides automated data governance, inventory tracking, and consent enforcement for sensitive information.
Automates privacy policy generation and cookie consent management for e-commerce stores.
Hosts cookie consent banners, privacy preference centers, and compliance tracking tools.
Provides digital accessibility testing, remediation, and monitoring services for website compliance.
Shopify application that manages cookie consent and privacy regulation compliance across stores.
Analytics
28 hostsProvides A/B testing and personalization services for ecommerce pricing, content, and offers.
Vendor site returned no description; identity not confirmed by this scan.
Delivers A/B testing and personalization assets for optimizing website content and user experience.
Vendor site returned no description; identity not confirmed by this scan.
Collects application performance metrics and telemetry data for system monitoring and debugging.
Digital experience platform used for testing, personalizing, and optimizing website content.
Provides product analytics and event tracking to help teams measure user behavior and improve software.
Hotjar platform delivering heatmaps, session recordings, and user behavior analytics for websites.
Tracks search engine rankings, backlink profiles, and competitor marketing performance data.
Provides A/B testing, feature flagging, and product analytics capabilities.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Collects user interaction events and application metrics to track product usage and performance.
Monitors website broken links and provides search engine optimization tools.
Vendor site returned no description; identity not confirmed by this scan.
Tracks website load times and user experience metrics using synthetic and real user data.
Vendor site returned no description; identity not confirmed by this scan.
Tracks user interactions and provides digital insights into website behavior and conversion paths.
Tracks user interactions and transaction metrics for cross-border commerce operations.
Marketing attribution and analytics platform tracking customer acquisition channels.
Vendor site returned no description; identity not confirmed by this scan.
Advertising
36 hostsVendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Hosts social media content and embeddable video feeds for external website integration.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
GOVX platform verifying military and government status to provide exclusive discount access.
Vendor site returned no description; identity not confirmed by this scan.
Serves as a supply-side platform for programmatic advertising and ad monetization.
Hosts advertising pixels and tracking scripts for campaign measurement and audience targeting.
Vendor site returned no description; identity not confirmed by this scan.
Operates a web search engine providing information retrieval and AI-assisted browsing features.
Social news and discussion platform where users share content and engage in communities.
Vendor site returned no description; identity not confirmed by this scan.
Mobile messaging application enabling users to share photos, videos, and interactive stories.
Serves contextual display advertisements and manages sell-side ad inventory across partner websites.
Vendor site returned no description; identity not confirmed by this scan.
Serves ad matching pixels and tracks user interactions for programmatic advertising networks.
Delivers SMS marketing campaigns and manages customer messaging for e-commerce brands.
Serves targeted advertisements and tracks ad performance across partner websites.
Vendor site returned no description; identity not confirmed by this scan.
Serves tracking scripts for digital advertising campaigns and audience measurement.
Vendor site returned no description; identity not confirmed by this scan.
Email and SMS
9 hostsCustomer relationship management tool delivering targeted email and SMS messaging campaigns.
Email and SMS marketing platform managing customer lists and automated messaging campaigns.
Delivers real-time customer experience personalization and content optimization across web and mobile channels.
Sends email, SMS, and push notifications for product restocks and preorders.
Manages email and SMS marketing campaigns, subscriber lists, and customer communication workflows.
Delivers tracking pixels and scripts for email marketing and SMS campaign measurement.
Customer relationship management platform storing client data and supporting marketing communications.
Customer relationship management platform storing client data and supporting marketing communications.
Platform for managing email marketing campaigns, SMS messaging, and customer relationship data.
Personalisation
20 hostsProvides product recommendations and personalized shopping experiences for ecommerce stores.
Provides product recommendations and personalized shopping experiences for ecommerce stores.
Conversion rate optimization tool that tests and optimizes storefront performance.
Extend SDK providing personalized shopper operations and dynamic content delivery tools.
Enforces minimum and maximum order quantity limits during checkout.
Provides AI-driven storefront optimization and buyer messaging to improve conversion rates.
Provides A/B testing and conversion rate optimization tools for website experiments.
Delivers retail AI tools for outfit recommendations, product imagery, and real-time website personalization.
Captures prescription details and configures custom optical product orders.
Delivers AI-driven product search, merchandising, and personalized recommendations.
Delivers product recommendations and personalized shopping experiences based on user behavior.
Builds native mobile applications for Shopify stores to improve customer engagement and sales.
Delivers on-brand website personalization and tracks conversion metrics to optimize visitor engagement.
Delivers AI-driven product recommendations, merchandising rules, and search personalization to increase conversions.
Provides Shopify themes and applications for storefront customization and conversion optimization.
Ecommerce search and merchandising engine providing product discovery features.
Provides dynamic product labels and badges for Shopify storefronts to highlight items.
Vendor site returned no description; identity not confirmed by this scan.
Reviews
21 hostsCustomer feedback platform collecting and displaying product ratings and written reviews.
Customer review and user-generated content platform displaying ratings and testimonials.
Delivers shoppable video content and user-generated media for product pages.
Collects post-purchase customer feedback and survey responses to drive retention.
Embeds shoppable video widgets and user-generated content into storefront pages.
Aggregates and displays customer ratings, reviews, and visual user-generated content.
Collects and displays customer product reviews on e-commerce storefronts using embedded widgets.
Serves static widgets for collecting and displaying customer reviews and loyalty program elements on storefronts.
Collects and displays customer ratings, reviews, and user-generated content for product pages.
Collects and displays customer feedback and product ratings via embedded widgets.
Vendor site returned no description; identity not confirmed by this scan.
Manages customer loyalty programs and rewards tracking for e-commerce stores.
Vendor site returned no description; identity not confirmed by this scan.
Chat and support
15 hostsVendor site returned no description; identity not confirmed by this scan.
Customer support platform providing conversational AI and helpdesk tools for ecommerce businesses.
Delivers customer support and messaging widgets for handling client inquiries and service requests.
Vendor site returned no description; identity not confirmed by this scan.
Provides customer service messaging and support ticket management tools.
Customer support chat widget integrated with returns management workflows.
Automates customer support interactions and processes refund or return requests.
Provides artificial intelligence tools to automate and enhance customer support interactions.
Vendor site returned no description; identity not confirmed by this scan.
Provides live customer chat and support agent routing services.
Provides omnichannel customer support software including live chat, email, social messaging, and self-service FAQs.
Deploys AI-powered conversational agents to automate shopper support and answer product inquiries.
Salesforce Live Agent provides real-time customer chat support functionality.
Documentation site for integrating HubSpot CRM with Webflow platforms.
Loyalty
7 hostsBOGOS application managing buy-one-get-one promotions, free gifts, and discount bundles for e-commerce stores.
BOGOS content delivery network serving promotional assets, scripts, and configuration files for discount applications.
Vendor site returned no description; identity not confirmed by this scan.
Provides student verification and discount codes to drive loyalty and repeat purchases.
Tracks affiliate partnerships, influencer campaigns, and referral program performance.
Loads tracking tags for customer referral program participation and reward attribution.
Subscriptions
4 hostsManages recurring billing and subscription lifecycle automation for e-commerce merchants.
Handles online appointment booking, scheduling automation, and calendar management.
Manages recurring billing, subscription plans, and customer retention workflows.
Manages recurring billing and subscription management for e-commerce platforms.
Shipping and returns
10 hostsHandles cross-border shipping, duties calculation, and international checkout flows.
Manages product return requests and processes refund workflows for retailers.
Content delivery network hosting assets for the Redo returns application.
Backend server handling return request submissions and status updates.
Provides utility scripts for international checkout calculations, currency conversion, and cross-border shipping services.
Manages product returns, exchanges, and order tracking for online retailers.
Calculates international taxes, duties, and shipping rates for cross-border orders.
Manages e-commerce returns, exchanges, order tracking, and checkout modifications.
Manages post-purchase logistics including package protection, order tracking, and automated return processing.
Fonts and CDN
24 hostsShopify platform asset CDN: theme JavaScript, styles and images.
Shopify app-extension asset host: the code installed apps inject into the storefront.
Vendor site returned no description; identity not confirmed by this scan.
Public open-source package CDN. Serves whatever file path is requested.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Provides a widely used JavaScript library for DOM manipulation and event handling.
Public content delivery network distributing JavaScript libraries and frontend assets.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Amazon S3 cloud storage delivering static website assets, scripts, and media files globally.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Provides an open-source icon library and web font toolkit for developers and designers.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Merchant-owned
58 hostsContent delivery network hosting flag images and related static assets for websites.
Provides content delivery network and web performance optimization services for faster page loading.
Delivers and optimizes images and video assets via a cloud-based content delivery network.
Hosts e-commerce storefronts and provides integrated business management tools.
Provides core e-commerce store management, hosting, and administrative tools.
Provides open-source content management system functionality for publishing and site administration.
Hosts core commerce platform assets and scripts for the merchant's Shopify-managed storefront.
AWS S3 bucket hosting mobile application static assets.
Amazon S3 cloud storage bucket used for hosting static files or application data.
Amazon S3 storage endpoint used for direct customer file uploads to the storefront.
Proprietary script toolkit hosted on the retailer's corporate domain for storefront functionality.
Online retailer selling mattresses and bedding products with shipping and return policies.
Ecommerce platform providing website templates and storefront infrastructure for online retailers.
Custom backend application programming interface hosted on Amazon Web Services cloud infrastructure.
Provides weekly meal kit deliveries with pre-portioned ingredients and recipes.
Regional branch delivering pre-portioned meal kits with weekly recipes.
Provides weekly delivery of recipe boxes containing fresh ingredients and cooking instructions for home meal preparation.
Provides weekly delivery of recipe boxes containing fresh ingredients and cooking instructions for home meal preparation.
Provides weekly delivery of recipe boxes containing fresh ingredients and cooking instructions for home meal preparation.
Provides weekly delivery of recipe boxes containing fresh ingredients and cooking instructions for home meal preparation.
Provides weekly delivery of recipe boxes containing fresh ingredients and cooking instructions for home meal preparation.
Provides weekly delivery of recipe boxes containing fresh ingredients and cooking instructions for home meal preparation.
Provides weekly delivery of recipe boxes containing fresh ingredients and cooking instructions for home meal preparation.
Provides weekly delivery of recipe boxes containing fresh ingredients and cooking instructions for home meal preparation.
Provides weekly delivery of recipe boxes containing fresh ingredients and cooking instructions for home meal preparation.
Provides weekly delivery of recipe boxes containing fresh ingredients and cooking instructions for home meal preparation.
Provides weekly delivery of recipe boxes containing fresh ingredients and cooking instructions for home meal preparation.
Provides weekly delivery of recipe boxes containing fresh ingredients and cooking instructions for home meal preparation.
Provides weekly delivery of recipe boxes containing fresh ingredients and cooking instructions for home meal preparation.
Provides weekly delivery of recipe boxes containing fresh ingredients and cooking instructions for home meal preparation.
Provides weekly delivery of recipe boxes containing fresh ingredients and cooking instructions for home meal preparation.
Provides weekly delivery of recipe boxes containing fresh ingredients and cooking instructions for home meal preparation.
Provides fresh ingredient meal kits delivered to customers on a subscription basis.
Delivers fresh ingredient meal kits to customers via a recurring subscription model.
Supplies fresh cooking ingredients and recipes through a home delivery subscription service.
Offers pre-portioned ingredient boxes and recipes delivered directly to customer homes.
Corporate website for a multinational footwear and apparel manufacturing company.
Delivers fully cooked, healthy prepared meals directly to customer residences.
Unclassified
144 hostsVendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Hosts developer documentation and technical guides for building commerce applications.
Vendor site returned no description; identity not confirmed by this scan.
Hosts the official application marketplace listing for Shopify commerce extensions.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Displays product safety certification badges and compliance information for consumer goods.
Vendor site returned no description; identity not confirmed by this scan.
Implements AI-driven structured data and SEO optimization scripts for website content visibility.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Third-party online form builder used for collecting customer submissions and survey data.
Vendor site returned no description; identity not confirmed by this scan.
Amazon S3 storage bucket hosting application assets for a gift box configuration tool.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Reference website for open source software definitions and licensing standards.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Stores structured shopping behavior and interest data using Amazon S3 cloud storage.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Provides single sign-on authentication using external social media accounts for user access.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Apple service for distributing pre-release mobile applications, unrelated to standard web cart functionality.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Digital library and web archive providing access to historical websites and media.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.
Vendor site returned no description; identity not confirmed by this scan.