Websites that have a shopping cart or checkout page, either using a known ecommerce platform or a custom solution.
Livewire is a full-stack Laravel framework for building dynamic interfaces.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Plausible is an open-source alternative to Google Analytics.