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.
cdnjs is a free distributed JS library delivery service.
ExpressionEngine is a free and open-source CMS.
Google Analytics is a free web analytics service that tracks and reports website traffic.
Google PageSpeed is a family of tools designed to help websites performance optimisations.
PHP is a general-purpose scripting language used for web development.
Ubuntu is a free and open-source operating system on Linux for the enterprise server, desktop, cloud, and IoT.