Content Delivery Network

Understand more about Content Delivery Network and how it can impact your business to perform better.

What is a Content Delivery Network?

A CDN (content delivery network), also known as a content distribution network, is a network of servers that are geographically distributed and interconnected. They deliver cached internet content from a network location near a user’s location.

A CDN’s primary purpose is to improve web speed by lowering the time it takes to deliver content and rich media to users. Aside from content caching and web delivery, CDN providers provide services that enhance their core functionality and benefit their network edge presence.

What is CDN

Benefits of Content Delivery Network

  • Efficiency: CDNs shorten page load times and lower bounce rates. Both benefits prevent consumers from leaving a slow-loading website or e-commerce application.
  • Security: CDNs improve security by providing services like DDoS mitigation, WAFs, and bot mitigation.
  • Availability: CDNs can handle more traffic and avoid network outages better than origin servers, resulting in increased content availability.
  • Optimization: These networks offer a wide range of performance and web content optimization services to supplement cached site content.
  • Saving money and resources: CDNs minimize bandwidth usage and prices.

How do CDN works?

  • Step 1: A user-agent (the computer running the end user’s web browser) submits a request for content needed to display web pages, such as images, JavaScript files, HTML, and CSS.
  • Step 2: The best CDN server is chosen to handle each request.
  • Step 3: Each CDN server reverts to an earlier version of the requested content that has been saved (cached).
  • Step 4: The files are retrieved from a different server on the CDN platform if the requested material cannot be located on the best server.
  • Step 5: A request is made to the origin server if the requested material is either outdated or not available on any of the platform’s other CDNs.

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