If you use WooCommerce and Klaviyo’s onsite tracking and signup forms aren’t working, it could be due to the WordPress plugin WP Rocket blocking certain features of Klaviyo. If you are using WP Rocket and encounter this problem, there are two ways to solve it.
What is WP Rocket?
WP Rocket is a caching and page speed optimization plugin for WordPress which speeds up WordPress sites.
What’s causing the problem?
How do I fix it?