cdnjs is a free distributed JS library delivery service.
Google PageSpeed is a family of tools designed to help websites performance optimisations.
HTTP/3 is the third major version of the Hypertext Transfer Protocol used to exchange information on the World Wide Web.
Sucuri is a cybersecurity company that provides website security solutions and services.
WhatsApp Business is a free to download app available on Android and iPhone using which businesses can connect with their customers.