Websites that have a shopping cart or checkout page, either using a known ecommerce platform or a custom solution.
Chosen is a jQuery plugin that makes long, unwieldy select boxes much more user-friendly.
Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.
Contao is an open source CMS that allows you to create websites and scalable web applications.
Google PageSpeed is a family of tools designed to help websites performance optimisations.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
HTTP/3 is the third major version of the Hypertext Transfer Protocol used to exchange information on the World Wide Web.