Websites that have a shopping cart or checkout page, either using a known ecommerce platform or a custom solution.
Criteo provides personalised retargeting that works with Internet retailers to serve personalised online display advertisements to consumers who have previously visited the advertiser's website.
Drupal is a free and open-source web content management framework.
Google Analytics is a free web analytics service that tracks and reports website traffic.
JSDelivr is a free public CDN for open-source projects. It can serve web files directly from the npm registry and GitHub repositories without any configuration.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
OneSignal is a customer engagement messaging solution.
Open Graph is a protocol that is used to integrate any web page into the social graph.