Can someone explain what is a web proxy and how it works? or What is a web proxy, and why would I nee

what is a web proxy? It’s a server that acts as a middleman. You connect to it, and it connects to the web for you.

Pros: hides your IP, can unblock sites.
Cons: free ones are slow and might sell your data.

Try Luminati if you need something reliable, but it’s not free.