Set up Klaviyo website event tracking using server Google Tag Manager

Klaviyo has extensive pre-setup integrations for websites built using popular CMS (like Shopify or woo-commerce). But what if you want to track additional events or have a custom site? In this case, there are two options: set up tasks for the developers or send website events through the server Google Tag Manager. This guide will show how to use a server GTM container to set up Klaviyo website event tracking.