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What is CDN?

CDN is a content delivery network of servers that are geographically distributed. They work together to provide faster delivery of Internet content. It allows the quick transfer of assets for loading the content including pages, javascript code, images, and videos. It also may help protect websites against some malicious attacks, for example, DDOS.

What is the difference between CDN and web host?

A CDN does not host content and can’t serve as web hosting, but it helps cache content at the network edge, which improves website performance. CDN helps to prevent interruptions in service, it improves security and relieves some of the major pain points that come with traditional web hosting.

What are the benefits of a Content Delivery Network?

  1. CDN can reduce bandwidth costs – Bandwidth consumption costs for web hosting is the main expense for websites. Because of caching and other optimizations, CDNs can reduce the amount of data an origin server must provide, as a result reducing hosting costs for website owners.
  2. It increases content availability – a CDN can handle more traffic and withstand hardware failure better than many origin servers.
  3. Website security – it improves security by providing DDoS mitigation, improvements to security certificates, and other optimizations.
  4. It improves website load time – CDN is distributing content closer to website visitors by using a nearby server that is a part of the network, that provides faster page loading times. A CDN can reduce bounce rates because visitors are more inclined to click away from a slow-loading site and also increase the amount of time that people spend on your website.

How does a CDN work?

CDN Houston Web AgencyA CDN is a network of servers linked together with the goal of delivering content as quickly, cheaply, and securely as possible. In order to improve speed and connectivity, a CDN will place servers at the exchange points between different networks. These Internet exchange points (IXPs) are the primary locations where different Internet providers connect in order to provide each other access to traffic originating on their different networks. By having a connection to these high-speed and highly interconnected locations, a CDN provider is able to reduce costs and transit times in high-speed data delivery.

How does a Content Delivery Network improve website load times?

Users drop off quickly if a website is loading slowly, CDN can help to reduce the time in the following ways:

  • It can reduce the amount of data that’s transferred by reducing file sizes using minification and compression.
  • By reducing the distance between a user and website resources. Instead of having to connect to wherever a website’s server may live, a Network lets users connect to a geographically closer Data Center. Less travel time means faster service.
  • Efficient load balancing and solid-state hard drives can help data reach the user faster.
  • CDNs can speed up websites that use TLS/SSL certificates by optimizing connection reuse and enabling TLS false start.

How does it keep a website always online?

Hardware failures have the potential to bring down a web server and prevent users from accessing a site or service. A well-rounded Content Delivery Network has several features that can minimize downtime:

  • Load traffic evenly across several servers, making it easier to scale rapid boosts in traffic.
  • It provides uninterrupted service even if one or more of the CDN servers go offline because the failover can redistribute the traffic to the other operational servers.
  • In case a data center is having technical issues, Anycast routing transfers the traffic to another available data center, ensuring that no users lose access to the website.

How does a CDN protect data?

A CDN can keep a site secured with fresh TLS/SSL certificates which will ensure a high standard of authentication, encryption, and integrity. Investigate the security concerns surrounding CDNs, and explore what can be done to securely deliver content. Let us know if your website seems too slow, we will help you to set up CDN that can improve a website’s performance.

BereshkaWeb is a Digital Agency located in Houston, Texas. We specialize in designing secure, scalable and customized web applications to provide turn-key solutions and full tech support for your web projects from simple landing pages to multi-functional online stores with eCommerce.

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