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How Content Delivery Networks Deliver Your Content 

Content Delivery Networks, or CDNs, are a system of servers that work together to deliver content to users. When a user visits a website, the content is delivered from the closest CDN server to the user, ensuring a quick and smooth experience. It is often used to distribute online video, audio, and software, and helps reduce traffic on the user’s network. CDNs are used by many of the world’s biggest websites, including YouTube, Facebook, and Netflix. 

How do content delivery networks work?

CDNs work by keeping copies of content on servers around the world. When a user requests content, the CDN delivers it from the closest server. Thus, if your website is hosted on a server in the USA and is visited by someone in Australia, for example, it will still load fast, as it will be served by a machine in Australia, instead of the original US server. As consistency of loading speed around the globe is desired by most of the big international websites, tons of money is paid by them for using CDN services. 

What are the benefits of using a content delivery network?

There are many benefits to using a CDN. For example, using a CDN can help you to reduce your bandwidth costs, and it can also help you to improve your website’s performance. Additionally, a CDN can help you to improve your website’s security, and it can also help you to protect your website from DDoS attacks. 

How do content delivery networks improve website performance?

There are a few different ways that content delivery networks (CDNs) can improve website performance:

  • Caching content on servers that are closer to the person visiting the website. This helps to reduce the amount of time it takes for the content to be delivered to the person’s computer.  CDN helps to speed up loading times and improves website security. When a user requests a web page, the CDN server will first check to see if the content is already stored on the local server. If it is, the content will be served up quickly and without having to go through the main website server. For instance, SiteGround boasts that their CDN service is cached and replicated across multiple locations on 4 continents and thus served to website visitors with minimal latency. 
  • CDNs can also help to decrease the load on the website’s server, which can improve performance. If the content is not stored on the local server, the CDN will request it from the main website server. This process helps to reduce the load on the main website server, making it less likely to crash under heavy traffic.
  • Additionally, CDNs can be used to manage traffic spikes, which can help to ensure that the website remains available to visitors even during times of high traffic. 

How does a content delivery network help with website security?

The CDN also helps to improve website security. Beside speed optimization, CDN also adds cool security features to protect your website from online threats such as comment spam, excessive bot crawling, SQL injection, and denial of service (DOS) attacks. Based on the large number of websites that use the network, Most CDN stores knowledge about the quality of web traffic to determine which is good and which is bad, and automatically blocks malicious traffic from reaching and possibly hurting your own website. The security improvement makes it more difficult for hackers to overload the server with requests and makes it less likely that the server will be hacked.

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