Detect Cart.js

JavaScript libraries

Cart.js is a very small open-source Javascript library that makes the addition of powerful Ajax cart functionality to your Shopify theme a breeze.

Detection looks at script sources across 1 fingerprint rules among the site's public responses.

01

Websites using Cart.js

Loading website list…

02

Signal classes

PluginView evaluates public page signals in these classes when identifying Cart.js. Individual fingerprint rule bodies are proprietary and are not published.

  • Script sources
03

Example public indicators for Cart.js

Illustrative indicators derived from public catalog metadata for Cart.js. A live scan may match additional proprietary rules beyond these examples.

  • shopify-cartjs/assets/rivets-cart.min.js
04

What a detection means

Establishes
One or more public signals on the scanned page matched a known Cart.js signature (1 rules) at the time of the scan.
Does not establish
A sitewide install of Cart.js, an active vendor contract, exclusive use, or that Cart.js is still in place today.
05

How to check a site for Cart.js

  1. 1. Enter the website URL in the scan form — homepage, pricing, checkout, or login pages usually expose the strongest Cart.js signals.
  2. 2. PluginView reads only public responses (script sources) and scores them against the Cart.js signature set (1 rules).
  3. 3. Review the confidence score and text explanation for Cart.js on the results page.
06

Commonly implies

A confirmed Cart.js match also implies these technologies are present.

07

FAQ: detecting Cart.js

Can PluginView detect Cart.js without logging in?
Yes. PluginView only reads publicly accessible responses when checking for Cart.js — typically script sources. It does not bypass authentication or paywalls.
What category is Cart.js?
Cart.js is classified under JavaScript libraries in the PluginView directory.
How many fingerprint rules cover Cart.js?
This reference currently tracks 1 fingerprint rule across script sources. Individual rule bodies are proprietary and are not published.
What public signals suggest a site uses Cart.js?
Illustrative public indicators for Cart.js include shopify-cartjs/assets/rivets-cart.min.js. A live scan may match additional proprietary rules beyond these examples.

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