Apache is a free and open-source cross-platform web server software.
Websites that have a shopping cart or checkout page, either using a known ecommerce platform or a custom solution.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
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.
Trusted Shops is a company that acts as a 3'rd party representing the common interests of both consumers and retailers.
YouTube is a video sharing service where users can create their own profile, upload videos, watch, like and comment on other videos.