What Is CDN? | How Do CDNs Work?

What Is CDN?

A network of content delivery (CDN) means a set of servers that work together to provide internet content quickly.

A CDN provides for the fast delivery of materials including HTML pages, javascript files, stylesheets, images, and videos that are needed for loading Internet content. CDN services are extremely popular, but they now manage the bulk of web traffic, including traffic from big sites like Facebook, Netflix, and Amazon.

A very well CDN may also be used to protect sites against some common malicious attacks, such as DDOS attacks.

Is A Content Delivery Network (CDN) The Same As A Web Host?

While a CDN does not host content and can not replace the requirement for proper web hosting, it does assist in caching content at the network edge but improving website speed. Many websites find that traditional hosting services struggle to meet their performance requirements, which is why they go to CDNs.

CDNs are a popular choice for easing some of the main pain points with traditional web hosting through the use of caching to reduce hosting bandwidth, help prevent interruptions to service and enhance security.

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What are the benefits of using a CDN?

While the advantages of CDN depend on the size and needs of an Internet site, the primary advantages to most users may be divided into 4 different components:

1. Improving website load times: By distributing material closer to visitors to the site, visitors can quickly access pages using a nearby CDN server (among other optimizations). Given that users are more able to click away from a slow-loading website, a CDN may cut bounce rates and increase the time spent on the site. This means more visitors are kept on coming and staying around faster than just a website.

What Is CDN
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2. Reducing bandwidth costs: The cost of website hosting bandwidth usage is the main cost for websites. CDNs can minimize the amount of data that an origin server has to provide via caching and other optimizations, thus reducing hosting costs for website owners.

Image credit goes pexels.com

3. Increasing content availability and redundancy: Large volumes can interrupt the normal site operation via traffic or technical problems. Thanks to their distributed nature, CDNs are more capable than many origin servers of managing traffic and withstand equipment failure.

What Is CDN
Image credit goes pexels.com

4. Improving website security: By providing DDoS mitigation, security certificate improvements, and additional optimization, a CDN may improve security.

Image credit goes pexels.com

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How Does A CDN Work?

When a visitor visits your WordPress blog, their browser typically downloads the site from your web host’s server (i.e. HostGator). Your web host’s server is actually located somewhere, such as Houston, Texas.

This means that to view your WordPress website, every user connects to a single server in Texas. If your site gets a lot of traffic, your server could become overloaded, resulting in a slow-loading site or possibly a server crash.

This is where a content delivery network (CDN) comes in helpful. A content delivery network (CDN) is a worldwide network of servers. When you use a CDN, all of these servers cache and store your static content.

Images, stylesheets (CSS files), javascript, and other static material are examples. When an arrive at the scene at your site, the CDN technology guides them to the server that is closest to their location.

If someone from Durham, England, tries to access your primary server in Houston, TX, they will be redirected to the server located, which may be in London.

The number of internet hops required to send static files to your end user is reduced as a result. The files will load faster because the user’s computer is closer to the CDN server.

You can make your pages load faster from the user’s perspective by having your content available on many servers across the world. Simply said, the closer the CDN server is to your user, the faster the content is delivered.

You could be wondering if a CDN is essential for your website. Let’s take a closer look at why you’d want it for your WordPress website.

Which is the Best CDN for WordPress?

There are several WordPress CDN services available. Clouflayer is the best CDN provider for your WordPress website, according to us. It has servers all around the world and offers pricing plans.

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