What's a proxy server and why does it matter?

A proxy server acts on behalf of a user, and it's a computer system or a router that works as an intermediary between a server and a client. Setting up a proxy in a specific region or country will you to gain full access to the content which was not allowed or restricted in the specified country. If you want to collect data from a website that is not in your country, you may want to set up a proxy and change your IP address while scraping.