Websites that have a shopping cart or checkout page, either using a known ecommerce platform or a custom solution.
Firebase is a Google-backed application development software that enables developers to develop iOS, Android and Web apps.
Lightbox is small javascript library used to overlay images on top of the current page.
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.
Swiper is a JavaScript library that creates modern touch sliders with hardware-accelerated transitions.