Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.
HTTP/3 is the third major version of the Hypertext Transfer Protocol used to exchange information on the World Wide Web.
NitroPack creates optimised HTML cache for fast page loading experience.
Priority Hints exposes a mechanism for developers to signal a relative priority for browsers to consider when fetching resources.
WP Engine is a website hosting provider.