Websites that have a shopping cart or checkout page, either using a known ecommerce platform or a custom solution.
Clicky is web an analytics tool which helps you to get real-time analysis including spy view.
Elfsight is an all-in-one platform offering 70+ customisable widgets for websites.
Google AdSense is a program run by Google through which website publishers serve advertisements that are targeted to the site content and audience.
JouwWeb is an online website builder that allows internet users to create own website.
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.