better-attribution

Using this package

import { betterAttribution, DefaultQueryParams } from "better-attribution";

const attr = betterAttribution();

// Stores the current URL query params and referrer in a cross site cookie
attr.storeAttributionValues();

// JSON from the latest visit
const lastParams = attr.getLastTouch();
console.log(lastParams); // {referrer: 'facebook.com', fbclid: 'abc-123'}

// JSON from the first visit
const firstParams = attr.getFirstTouch();
console.log(firstParams); // {utm_term: 'first-visit-term', referrer: 'google.com'}

Features:

• Uses cookies to store visitors query params and the referrer for attribution tracking
• Exposes methods to retrieve the last and first touch attribution data
• Allows you to override collected query params
• Allows you to submit to your analytics platform or on form submissions additional info about how the user found your site for the first and most recent time.
• Enables MMM (marketing mix modeling) // MTA (multi-touch attribution)
• Tracks the document referrer

Default list of tracked query params (you can override this in the setup function):

• utm_source
• utm_medium
• utm_campaign
• utm_content
• utm_name
• utm_term
• fbclid
• ad_id
• gclid
• gc_id

Customization:

// All arguments are optional
const attr = betterAttribution({
  // allows tracking of additional (or fewer) query params
  queryParams: [...DefaultQueryParams, "custom_known_query_param"] as const,
  // allows prefixing the cookie w a custom string
  cookiePrefix: "custom_prefix",
  // allows setting the cookie w a custom domain
  domain: "example_2.com",
});
attr.getFirstTouch().custom_known_query_param // undefined | string

Install

npm i better-attribution

License

MIT