Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.
Facebook pixel is an analytics tool that allows you to measure the effectiveness of your advertising.
HTTP/3 is the third major version of the Hypertext Transfer Protocol used to exchange information on the World Wide Web.
Klaviyo is an email marketing platform for online businesses.
LiteSpeed Cache is an all-in-one site acceleration plugin for WordPress.
reCAPTCHA is a free service from Google that helps protect websites from spam and abuse.