Websites that have a shopping cart or checkout page, either using a known ecommerce platform or a custom solution.
Google Font API is a web service that supports open-source font files that can be used on your web designs.
Google Hosted Libraries is a stable, reliable, high-speed, globally available content distribution network for the most popular, open-source JavaScript libraries.
LiteSpeed is a high-scalability web server.
OpenCart is a free and open-source ecommerce platform used for creating and managing online stores. It is written in PHP and uses a MySQL database to store information.
Swiper is a JavaScript library that creates modern touch sliders with hardware-accelerated transitions.