What is a CDN (Content Delivery Network)?

A CDN or Content Delivery Network is a global network of servers that serves web content to end-users more quickly by storing copies of files such as images in locations that are geographically closer to the users requesting that content.

Who uses CDN technology?

It's not just big companies who build their own server networks that can make use of CDN technology. Most CDNs belong to specialized companies that provide hosting and include CDN services as part of the hosting fee.

What are telco CDNs?

Because they own the networks over which video content is transmitted, telco CDNs have advantages over traditional CDNs. They own the last mile and can deliver content closer to the end-user because it can be cached deep in their networks.

Does a website need a CDN?

Put simply, a website needs web hosting, but it does not necessarily need a CDN. A CDN is a content delivery network. It is a system of computers that are connected to each other and work together to deliver content, like high-resolution images or videos, quickly.