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Why Businesses Need a CDN; Content Delivery Network Service?

Article by Daniyal Ghaffar in  - December 25, 2020


A content delivery network commonly called CDN is basically a closely linked network of edge servers that are intelligently and strategically placed all over the globe so that the content delivery to the end customers can be made as fast and swift as possible. When any user prompts a request to access data on CDN servers, he/she is then re-routed to the nearest available CDN edge server and data access is granted successfully. This technique of creating a network of inter-connected edge servers reduces the latency at the end of the user significantly. Almost all the globally renowned content providers such as Netflix, Amazon Prime Video, Udemy and many more use CDN technologies at the backend to ensure that the data is delivered to the end-user instantly with very less lag time or in other words less latency.  In this way, CDN technology improves the user experience on a website by offering exceptionally quick access to the required data from anywhere in the world irrespective of the origin of the source content.


Businesses now prefer to maintain their own content management system CMS for keeping the in-house data storage. However, the globalization of digitalization has expanded the businesses and marketplaces all over the globe. The employees from different regions of the world request access to data online which causes a lag in the performance if the content access is not prompted instantly. This is the basic reason how CDN technology can enhance the business processes and improve the user experience. The further text will discuss in detail the benefits and reasons why businesses need a CDN service for optimizing the effectiveness of workplace operations.

Why CDN is Important?

Performance Optimization

  1. CDN is directly related to the improvement in the performance. Performance optimization is one of the primary and fundamental benefits of deploying CDN technology. With a CDN service integration, your web content can be cached in different geographical POPs Points of Presence and consequently rendering the access of the content to the user instantly. The edge servers come into action and provide the fast delivery of the content to the subject user. This reduction in the distance is directly related to the latency rates; the main reason behind the delay in accessing the web content. Thus, if a company feels or knows that the users from all over the world will be accessing the content on their websites, then a CDN should be integrated as the first step of an action plan. As per some of the reports and tests conducted y KeyCDN, a CDN can reduce website latency by 83% on average as compared to the websites that do not use a CDN.

Enhanced Reliability

  •   Without a CDN in action, there is a possibility that latency may cause the unavailability of the data for some users in some cases. This will be followed by an error message on your website for the user accessing the request. Now if you are a website that has content based consumers, then it will leave a very disappointing image at the end of the consumer. It can also cause a decrease in the retention rates in some cases. However, a CDN enhances the digital reliability of your company. Whenever a request is prompted by the user, he will be re-routed to the nearest available edge server. Even in the worst of a server being unresponsive, the request is re-routed to the next nearest server available in line. This whole cycle takes places in an automated fashion until the data is accessed by the users. Using a CDN gives your company the reliability that the consumers or users will not have to deal with the bad experience owing to the server malfunction or to the latency in the requests.


  • CDN data management is a technique that enables the companies to offload traffic to a certain CDN edge server in order to manage the unforeseen traffic spikes on any particular CDN edge server. You can scale up or scale down the traffic spikes as per the load requirements on a server.   Hence, you can optimize the load time on the server under traffic pressure and reduce minimize the downtime if need be. Almost 80% content of an average website is often static, so a significant percentage of web content can be delivered quickly and efficiently with a CDN service in action.

Enhanced Security

  • As it would be clear by now that CDN cuts the direct connection between the original server and a data request and edge servers are used to provide the data access to the users, it means that risk of DDoS attacks known as Distributed Denial of Service can be mitigated significantly and automatically when a CDN edge server is in action. One of the benefits of using a CDN service is that you can integrate SSL/TLS certificates on your CDN platforms. Latest web protocols such as HTTP/2 and HTTP/3 are used by CDN service providers to secure the data. These web protocols automatically encrypt the data end-to-end. Apart from this SSL or TLS based security, one can also implement an additional security layer to protect the data using Hotlink protection, secure tokens, RBA (Risk-Based Authentication) and many other to protect and encrypt the data from breach or cybercrimes.

Cost Effectiveness

  • Since the CDN edge servers are to be managed by the CDN service providers, so there are no direct costs associated with storing, managing or maintaining databases for the content that your business offers. In this way, any costs (direct or indirect) associated with the data management can be invested in other business operations. Origin server bandwidth costs are reduced because the content is delivered by CDN edge servers instead. It, therefore, reduces the need to register for a bulky storage hosting plan since the traffic accessing content on your website will be provided with the data from the edge servers and most of the times, even the content is cached there which further reduces the latency.


There are a number of factors that need to be addressed if you are a consumer based content provider business. Marketplace competitions are always on a hike and consumers prefer that they be provided with the quickest and swiftest data access with minimized latency. Not just from the end of the consumers, deploying a CDN technology is also in the best interests of the company since it provides an additional layer of security and encryption which is vital for securing the digital content from attacks and malware.

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