Understanding CDN Benefits: Why Your Website Should Use It!


Table of Contents

A content delivery network refers to a group of servers connected to provide fast, cheap, safe, and reliable delivery of Internet content. CDN usually caches web pages, styles, scripts, images, and video on proxy servers near your physical location. The CDN benefits extend beyond those just mentioned, though. 

It can act as a delegate handler for DNS records, or filter traffic according to rules to protect against suspicious activity or activity that heuristically matches a pattern of attack. It can also provide generalized statistics over time about the traffic a site that is CloudFlare-enabled might see.

The main goal of CDN is to deliver content at top speed to users in different geographic locations, and the process of replication does this. CDNs improve web content delivery services by duplicating content from other servers and directing it to the nearest data center users.

How Does a CDN Work?

The primary goal of a CDN is to reduce web content delivery delays due to network latency. Network Latency is the annoying delay you experience when accessing a web page or video stream before it fully downloads to your device. Although network latency is usually measured in thousandths of a second, if it takes a few seconds it may cause a download error.

Some content delivery networks reduce delays by reducing the physical distance required for the content to reach you. Therefore, large, widely distributed CDNs can deliver web content as quickly and reliably by placing content as close to the end-user as possible.

Want to watch reruns of your favorite show? The CDN finds a suitable server on its network to deliver that content. Usually, this will be the server closest to where you're surfing from. Media files will be cached and live on that network server to provide content to other users' requests in the same area. Suppose the requested content is unavailable or expired? In that case, the CDN service will store the downloaded new content to provide any future requests.

Why Is a CDN Essential?

CDNs are crucial in delivering online content for purchasing, banking, health care, and other businesses quickly and efficiently. Without CDNs, with their ability to duplicate and store information from source servers and bring digital content closer to where users access the web, users will have to wait longer to consume their content.

Have you done almost anything online? A CDN has probably helped provide you with a faster, more reliable, and more consistent experience. A CDN balances total traffic to give everyone who accesses Internet content the best web experience you can. The fact is, without CDNs, we would all be stuck in traffic jams many times when surfing the web.

What Are Some Applications of CDNs?

The benefits of CDNs are greatly emphasized by evaluating their use in a few real-time application areas. The common application areas include:

Business Websites

CDNs speed up communication between users and websites. This speed is essential for corporate businesses. For websites, speed is one important metric and quality factor. If the user is far away from the website servers, the web pages will load less quickly. Content Delivery Networks overcome this problem by sending the requested content to the user from a server near the CDN to provide better upload times, thus speeding up the delivery process.

E-Commerce Companies

E-commerce businesses leverage CDN technology to improve their websites' performance and make their products available online. In the long-term, companies can retain existing customers, attract new customers with their products, and explore new markets, maximizing their business results.

Media and Advertising

For media hosting platforms, CDNs improve the performance of streaming content on a large scale by introducing the latest content and delivering it to users faster. There is a growing demand for online video and real-time audio-video and other media streaming applications. CDNs accelerate the streaming of media content such as movies, music, online games, and multimedia games in various formats. Content is made available on the server that is closest to the user’s geographical area.

Businesswoman in an office using a laptop to manage her business website with the help of CDN.

What Are the Benefits of Using CDNs?

CDNs control most of the world's internet traffic. They help solve the challenges of speed and reliability when delivering content online. CDNs speed up website performance and provide numerous benefits for users and also for the network infrastructure.

CDNs are designed to make the Internet more efficient. They help bring the media safely to the scale and enable all connected sensations that are part of everyday life for many people. Businesses from SMBs to large corporations worldwide use content delivery networks to provide seamless web information to their customers.

That said, CDNs offer the following benefits to businesses and other entities that have websites:

1. Faster Website Load Speeds

By distributing content close to website visitors through a nearby CDN server, visitors get speedier page loading times. Since visitors are more likely to click away from a slow-loading site, a CDN can reduce bounce rates and increase the amount of time people spend on your website. In other words, speeding up a website means that more visitors will visit and stay longer. The better their user experience on your website, the more likely they will end up doing business with you.

2. Bandwidth Costs

The cost of using a web host for bandwidth management is a leading expense of many websites. By saving some time and other settings, CDNs can reduce the amount of data the origin server has to provide, thus reducing the cost of hosting website owners.

3. Content Availability, Scalability, and Redundancy

CDNs can handle significant traffic and provide fail-over safety through redundancy. Since multiple servers in the CDN are working in a distributed manner to deliver your content to the consumer and can each provide almost all the same requested resources as any other, should one of its peers (or the origin server) malfunction, another server on the CDN will still be available to deliver that resource. The redundancy in content also reduces errors and eliminates the need for buying additional hardware that can affect your bottom line.

4. Improved Security

A CDN can help protect your website against common malicious attacks, such as Distributed Denial of Service (DDoS) attacks, by adding DDoS Mitigation. DDoS mitigation, whereby the multiple servers within the content delivery network can work together to distribute multiple, simultaneous network requests amongst themselves, so one particular server doesn't feel a full load of all of the requests, or how it can throttle (space out) requests coming too frequently and too close together in time (which can be a sign of requests intending to bring down a web resource or service). They are also built with data integrity and privacy concerns being addressed to comply with the consumer privacy policy.

5. CDNs Are Cost-Effective

Considering the services provided by the CDN and the revenue that they help generate through a better user experience, the CDN service is worth the investment. Additionally, without the capabilities CDNs provide, some businesses will not have the opportunity to compete in ranking favorably in search engine results.

6. CDNs Promote SEO

How can CDNs affect a website's ranking in search engine results? Search engines include many parameters when ranking a page or website. They do not disclose a complete list of what they consider. Still, page speed, data transfer security, and user information you provide are a big part of the statistics.

Wrapping Up the Benefits of Using CDNs

A CDN is a system of servers deployed in different geographical locations to handle increased traffic loads and reduce content delivery time for servers. 

CDNs are a complicated topic for the average person, and leveraging this technology can be daunting. Fortunately, our developer at Viral Solutions is very knowledgeable and will take it off your hands when you come on board with us for marketing services.


At Viral Solutions we are committed to seeing YOU succeed. It is our goal to grow your business with proven digital marketing strategies that will help your business for the long haul.

Stay Up To Speed in the Ever Changing World of Marketing!

Sign-up today for FREE, monthly marketing tips, loopholes, and news to EXPLODE your Return on Investment!


Share your knowledge and gain exposure by becoming a guest author on our blog! Learn how to write for us.

Filed Under: Content Creation, Tools & Technology

About Jeremiah Richter

Jeremiah understands the complex world of software, tech, and the web. He knows that security and stability problems with a site not only harm a business’s image but also impact user experience.

Jeremiah combines his web development expertise with marketing savvy to relieve technological stress for our clients. He uses his admittedly “inordinate fascination with the obscura of the internet” to fine-tune each client’s website so they can deliver content and become a revenue-building machine.