Content Delivery Network (CDN) : Jargon Buster
A Content Delivery Network (CDN) can help improve a website’s availability and performance by distributing the hosting of content across a whole network of servers.
This delivery network usually spans multiple data centres around the world and content is automatically served to the individual website visitor from whichever is geographically closest. The resulting reduction in network delay on every file request can deliver web pages noticeably faster.
Undoubtedly websites with an international audience benefit most from implementing a CDN, potentially saving seconds on every page load. But there is value for those with a more domestic focus too. By shifting a significant proportion of the work of content delivery to the CDN the load on the originating web server is lightened, helping to deliver more consistent performance, even during traffic spikes. A combination of super-fast servers and proximity to major networking hubs also tends to give a good Content Delivery Network the performance edge compared to the average hosting solution.
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