Marketing Attribution
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Pass marketing source attribution values with your orders to collect marketing and affiliate attribution data for reporting visibility, and partner marketing postbacks - for example when using tracking extensions like Everflow.
Source attribution values are supported on the Storefront checkout and product pages, as well as on custom funnels integrated via the Admin API.
Pass Google UTM parameters, Affiliate / Sub-Affiliate, and Funnel values according to the unique source or marketing path. You may use the source attribution data when firing tracking pixels on the success / confirmation page.
Querystring Parameters
| URL Parameter | Detail | Cookie |
| utm_source | The referrer: (e.g. google, newsletter) | marketing |
| utm_medium | Marketing medium: (e.g. cpc, banner, email) | marketing |
| utm_campaign | Product, promo code, or slogan (e.g. spring_sale) | marketing |
| utm_term | Identify the paid keywords | marketing |
| utm_content | Use to differentiate ads | marketing |
| funnel | Use to attribute funnels | marketing |
| gclid | Adwords click ID | marketing |
| evclid | Everflow Click ID | marketing |
| aff | Main affiliate / network | affiliate |
| sub1 | Sub affiliate 1 | affiliate |
| sub2 | Sub affiliate 2 | affiliate |
| sub3 | Sub affiliate 3 | affiliate |
| sub4 | Sub affiliate 4 | affiliate |
| sub5 | Sub affiliate 5 | affiliate |
| attribution_metadata.KEY=VALUE | Attribution Metadata key/value pair | marketing |
| clear_attribution | true (default) / false | marketing |
Example URL Structures
Last Click Attribution
Next Commerce applies a "Last Click" attribution model by default, meaning that attribution values are applied based on the most recent visit. You may customize and control this behavior using the custom querystring parameter clear_attribution
To preserve the "First Click" attribution values on a returning visitor, pass the querystring parameter clear_attribution=false
If you wish to apply additional attribution values to an existing visitor, you may pass clear_attribution=false in the querystring, along with the additional querystring parameters which will be saved alongside the intial values. The most recent attribution value will take precendence in case of a duplicated value -- for example existing sub4=abc and new click sub4=123, value of 123 will be applied on sub4 field.
Cookies
Two cookies are generated for the attribution data, split by marketing for UTM/Google parameters, and affiliate source values.
| Cookie | Detail | Expires |
|---|---|---|
| AffiliateData | affiliate source data | 1 day |
| MarketingData | marketing source data | browser close |
| sessionid | cm session id of user | browser close |
Data Storage
The marketing source attribution data is kept in the cookies and sent to the store's database when a cart is created and associated to a customer. All marketing source attribution data is stored in its own data model, which can be queried from carts, orders, and subscriptions for reporting purposes.