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Sure! The e-commerce tracking setup for Google Analytics 4 (GA4) using gtag.js library involves a series of steps. Firstly, ensure that your website is well configured with GA4 (which involves adding a snippet of GA4 tracking code on every webpage of your site).
For e-commerce tracking, you will need to send specific events that GA4 recognizes. These events include ‘view_item’, ‘add_to_cart’, ‘remove_from_cart’, ‘begin_checkout’, ‘purchase’, among others, and you send these via the gtag function. For example, a view item could be sent with gtag(‘event’, ‘view_item’, { ‘items’: items}); where ‘items’ is an array containing information about the item viewed.
Each event has a designated structure of parameters to provide the data dimensions that Google Analytics will use for analysis. For example, the purchase event should include transaction information such as transaction ID, affiliation, value, tax, shipping, and others. You need to make sure this information is accurately captured and fed into the event parameter of the gtag function.
Remember, accurate ecommerce tracking relies on how well the events are fired at the correct user interaction points. Therefore, you’ll likely need to work closely with developers if you’re not comfortable manipulating the website code yourself.
You can find more detailed information in the GA4 documentation on Google’s developer website which provides the gtag.js events and parameters specific to Google Analytics 4.
