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Thursday, August 26, 2021, 12:59 AM

Using a Content Delivery Network (CDN) to Improve Website Performance

When it comes to understanding how a content delivery network (CDN) works, this is a good example to use. . . Throughout the most of the year, I keep one or two boxes of tissues in the home at all times. When it comes to allergy season, though, every room is stocked with boxes. When pollen counts are high, you need to be able to sneeze and immediately deploy a tissue without any delay.


Instead of having tissues in every room of the home, a content delivery network (CDN) has servers in every part of the world, and they assist decrease latency between when a user requests a website and when the page is actually shown. A content delivery network (CDN) may assist you in making sure your website loads fast no matter who is accessing it. Today, we'll look at the advantages of content delivery networks (CDNs), how they operate, and several typical use cases with real-world examples.


According to Cloudflare, one of the industry leaders in content delivery network (CDN) services, a CDN is a geographically dispersed collection of computers that collaborate to provide internet material as quickly as possible. A content delivery network (CDN) improves the performance of your website by temporarily storing your website content on servers that are closer to end users. This is referred to as caching.

When someone in Australia visits your website that is hosted in New York City, instead of fetching content such as images, video, HTML pages, javascript files, and other types of files all the way from the origin store (the server where the main, original website resides in the Big Apple), the CDN fetches content from an edge server that is geographically closer to the end user at the edge of the network, which is called a content delivery network (CDN) server. You will notice a significant improvement in website loading speed when the material does not have to travel halfway across the globe to reach your website users.



While a CDN does comprise of servers that hold website material, a CDN does not function as a web host in and of itself; in order to run your website, you will still need conventional web hosting. Simply said, the CDN caches your website content on servers that are closer to your end customers. In the event that you make any modifications or additions to your website, it will refer back to the primary, original website content that is kept on your origin store.

Although your origin store may be a physical, on-premises server situated wherever your company is based, many expanding companies choose to have their origin store hosted by a cloud storage provider. They can scale up or down as their website content increases, and they only pay for what they use, rather than having to invest in costly on-premises servers and networking infrastructure.

It is the CDN provider's responsibility to put up their edge servers at internet exchange points, also known as IXPs. IXPs (internet exchange points) are places where traffic flows between various internet service providers, similar to a freeway interchange, allowing your data to reach end consumers more quickly.

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