Apache is a free and open-source cross-platform web server software.
Azure is a cloud computing service for building, testing, deploying, and managing applications and services through Microsoft-managed data centers.
Websites that have a shopping cart or checkout page, either using a known ecommerce platform or a custom solution.
cdnjs is a free distributed JS library delivery service.
Google Analytics is a free web analytics service that tracks and reports website traffic.
Typekit is an online service which offers a subscription library of fonts.