HTTP stands for Hyper Text Transfer Protocol.
WWW is about communication between web clients and servers.
Communication between client computers and web servers is done by sending HTTP Requests and receiving HTTP Responses.
npm is the world's largest Software Registry.
The registry contains over 800,000 code packages.
Open-source developers use npm to share software.
Many organizations also use npm to manage private development.
The performance of web sites and applications can be significantly improved by reusing previously fetched resources. Web caches reduce latency and network traffic and thus lessen the time needed to display a representation of a resource. By making use of HTTP caching, Web sites become more responsive.
An HTTP cookie (also called web cookie, Internet cookie, browser cookie, or simply cookie) is a small piece of data sent from a website and stored on the user's computer by the user's web browser while the user is browsing.