Websites that have a shopping cart or checkout page, either using a known ecommerce platform or a custom solution.
enquire.js is a lightweight, pure JavaScript library for responding to CSS media queries.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
PayPal is an online payments system that supports online money transfers and serves as an electronic alternative to traditional paper methods like checks and money orders.
Priority Hints exposes a mechanism for developers to signal a relative priority for browsers to consider when fetching resources.
Spryker is a ecommerce technology platform that enables global enterprises to build transactional business models.