Websites that have a shopping cart or checkout page, either using a known ecommerce platform or a custom solution.

Sentry is an open-source platform for workflow productivity, aggregating errors from across the stack in real time.

Algolia offers a hosted web search product delivering real-time results.

Bootstrap is a free and open-source CSS framework directed at responsive, mobile-first front-end web development. It contains CSS and JavaScript-based design templates for typography, forms, buttons, navigation, and other interface components.

Amazon Web Services (AWS) is a comprehensive cloud services platform offering compute power, database storage, content delivery and other functionality.

Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.

Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.

core-js is a modular standard library for JavaScript, with polyfills for cutting-edge ECMAScript features.

HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.

Amazon S3 or Amazon Simple Storage Service is a service offered by Amazon Web Services (AWS) that provides object storage through a web service interface.

Open Graph is a protocol that is used to integrate any web page into the social graph.