Engineer's curiosity leads to discovering the reason behind a slow-performing e-commerce website. By analyzing Google's developer tool, the engineer realizes the website doesn't use a content delivery network (CDN), which is crucial for accelerating content delivery.
This article explains what a Content Delivery Network (CDN) is, why it is needed, and how it works.
Basically,CDNs consist of a group of servers that are geographically distributed and reduce the load on the Origin server by caching content. CDNs improve website performance by reducing latency, improving availability, and reducing bandwidth consumption costs. Browsers or Mobile Apps request static data from the CDN instead of the Origin server, and subsequent requests are served from the CDN server.
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