What is CDN and its impact on SEO?

DotNek Software Development 21 minute(s) read

Last updated: Jan 13, 2021

One of the newest tools to increase the ranking , is using CDN or Content Delivery Network . A correct implementation of CDN, can help you a lot because it improves your website quality and loading time, it also offers 100% availability and reduces server load. Today, businesses are moving online to display their offers, products, and service to a broader level. Industry research shows brand awareness metrics of the organization, business visibility achieved, number of customers reached, number of sales, and many more. These are relevant to the content depth on the website of the company.

What is CDN (Content Delivery Network)?

Content Delivery Network is a distributed platform of servers that minimizes delays in loading websites by decreasing the physical distance between the user and the server, they generally deliver pages, and web content from the mobile application or website to visitors more efficiently and quickly to visitors according to their geographical location. There are lots of networks around the world to reduce site traffic, and all of these networks connect the user to the nearest server in any geographical location. In fact, if you want to have users from all over the world, you should be able to exchange information between your server and users at high speed, so you have to use Content Delivery Network for this purpose because It helps the users globally view the same high-quality content without slowing loading times. CDNs have become a continual trend involving all cloud computing layers such as Google app engine, Amazon, PaaS, IaaS, and SaaS.

How does it work?

Servers are spread all over the world in different geographical locations, they are connected to each other in the form of a chain network, called pop. The way it works is that, when a user requests for content from a website, it connects him/her to the nearest server, called the Edge Server. In fact, Content Delivery Network is one of the rules-oriented ways that can increase site ranking and make a site more visible and attract more users.

What are the reasons for users to use CDN?

•Improve the loading speed of web pages

•Low cost of setup and use

•Increase content availability and redundancy

• Improve website security

What are the benefits of using a CDN?

CDN helps content providers to deliver a quality and fast web experience to all the users. It does not matter what the networks, device, browser, and location is. There are several benefits of CDN, such as: Content providers get more businesses and users stay more engaged, it provides intelligence, security, availability, and performance. Here are some other benefits of using a CDN:

• Increasing the loading speed of the website:

Nowadays, speed is the first priority in daily life and human beings try to do everything faster. Sometimes websites load slowly because of the server. The way it works is that your browser notifies your server to send data to your website for the site to load. If there is a problem with the server, it takes longer than usual. These interconnected networks, which are located in all geographical locations, increase the loading speed of pages and respond more quickly.

• Reducing the cost of purchasing bandwidth:

Every time a user visits your site, a number of answers must be received to him/her by your website. In this process, bandwidth is consumed, and it costs a fortune to purchase bandwidth for those who want to have a website. CDNs collect information and optimize them to reduce the amount of data that must be provided by your site server for each response, which causes reducing bandwidth and money consumption.

• Increase web security:

Website security is something that is done to protect the website against possible attacks. It is a time-consuming and important process. Furthermore, it is a very important issue because no one wants their website to be hacked. Having a website with high security is as vital as having your own one for online sales and monetization. Not having a high security website can be worse than having a low quality one. For example, low security can lead to breaches of customer information that can lead to conflicts, heavy fines and loss of site popularity. Cyber-attack has always been considered as a concern for site owners. Another benefit of using CDNs is reducing cyber-attacks and increasing web security. In fact, when your site information is on multiple servers, when someone wants to disable a website, he/she should almost do the same thing to all servers, which is very difficult, and, if one of the servers is disabled, another one will replace it. From the different locations and servers, it saves your site load. It means it does not only improve your site performance, but it is beneficial for SEO Multiple servers can help you prevent your website from crashing by distributing the several servers' load time.

• Users satisfaction:

One of the most important factors for the success of a site, is a positive user experience. You can make them feel satisfied in various ways, the best ones are optimizing the website and showing better performance in displaying content.

• Improves ranking on search engine:

Considering the benefits of the content delivery network that we have mentioned so far, CDN increases the quality and speed of the content that is given to the users and its stability, all of this will eventually increase the site ranking in search engine search results. It is an ultimate solution for search engine ranking as it increases efficient delivery and page speed, but it is not the only thing that requires to be done to enhance search ranking.
• Ensures each website’s version across the servers

• Locations are identical

• Handle duplicate content creation problems

• Always load relevant content because CDN purges the content.

• Reduce website failure:

Another benefit of the content delivery network is increasing the stability of a site and reducing the failure of it.

• Increase bandwidth:

Content delivery network increases the speed of the website by increasing the bandwidth and reducing the number of connections, so it brings the best results.

Easy installation:

The nature of the global CDN distribution, is minimizing the distance between users from different parts of the world and your website resources. In fact, instead of connecting the user to the main server of your website, the user will be connected to the nearest server in the nearest geographical location. As a result, the loading time is reduced for each individual user which is a tremendous achievement.

Impact of CDN on SEO:

Given the above, we know that CDN has a great positive effect on loading speed, and this is something that is important for every user, it also reduces the site failure, which increases user retention and ultimately leads you to a high ranking. It also provides security conditions to protect the site from being hacked, all of which have a positive impact on SEO . Besides producing great content, creating social signals, and building backlinks, speeding up your website is the right way to assist Google's rank and index your website quickly. Implementing a content delivery network is an easy and simple way to get high speed and improve your SEO. Moreover, it plays a vital role in making your website load quickly; it uses canonical headers and caching algorithms to combat duplicate content problems. It helps to increase the SEO of your web pages. The algorithm of Google ranking can penalize your site if they find duplicate content in different places.

Is CDN the same as web host?

The CDN is not the same as a web host and may not meet our web hosting needs, but it helps to cache content on the edge of the network, which increases the performance of your website. Some websites try to meet their performance needs with traditional hosting services, so they are replacing the CDN. By using cache to reduce hosting bandwidth, help prevent service interruptions, and increase security. CDN is also a good option for alleviating some major problems associated with traditional web hosting.

Last word:

Everyone is looking for different solutions to save the time. So, CDN is the choice of all users by providing the mentioned benefits, so using a CDN is a good suggestion for any expert. It is beneficial for the mobile application or website that can request multiple users at a time. It is also good for websites that contain complex websites, varying content types, and a lot of content from numerous geographical locations. Furthermore, it increases site load speed, which is the best factor to gain a high ranking on the search engine