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.
Google Analytics is a free web analytics service that tracks and reports website traffic.
Priority Hints exposes a mechanism for developers to signal a relative priority for browsers to consider when fetching resources.
reCAPTCHA is a free service from Google that helps protect websites from spam and abuse.
StackPath is a cloud computing and services provider.
Stripe offers online payment processing for internet businesses as well as fraud prevention, invoicing and subscription management.
WP Rocket is a caching and performance optimisation plugin to improve the loading speed of WordPress websites.
YouTube is a video sharing service where users can create their own profile, upload videos, watch, like and comment on other videos.