Best Content Delivery Network (CDN) Software

What is a CDN?

Content Delivery Network (CDN) providers offer access to a network of servers as well as services that help improve website performance by facilitating the efficient delivery of content to websites. CDN services rely on geographically dispersed points of presence, known as PoPs, that help route the delivery of digital content from the origin server to one that is as close to the browsing user as possible. Organizations use CDN services, such as web caching, request routing, and server-load balancing, to reduce load times and improve website performance. CDN services are often used by organizations that depend heavily on reliable content delivery. Some examples of these include online video streaming providers and e-commerce companies, as both of these are significantly affected by poor web performance. CDN services are often used in conjunction with website hosting services to optimize content delivery speeds, though some CDN services may also offer hosting separately from their CDN services. Some content management systems offer pre-built integrations with CDN services to help users improve their website performance.

To qualify as a CDN provider, a service provider must:

  1. Allow access to a geographically dispersed network of PoPs in multiple data centers
  2. Help websites access this network to deliver content to website visitors
  3. Offer services designed to improve website performance
  4. Provide scalable Internet bandwidth allowances according to customer needs
  5. Maintain data center(s) of servers to reduce the possibility of overloading individual instances

Content Delivery Network (CDN) Software Grid® Overview

The best Content Delivery Network (CDN) Software products are determined by customer satisfaction (based on user reviews) and scale (based on market share, vendor size, and social impact) and placed into four categories on the Grid®:
  • Products in the Leader quadrant are rated highly by G2 Crowd users and have substantial Market Presence scores. Leaders include: Amazon CloudFront, Imperva Incapsula, CloudFlare, and Sucuri
  • High Performers are highly rated by their users, but have not yet achieved the market share and scale of the Leaders. High Performers include: SecureCDN, KeyCDN, and
  • Contenders have significant Market Presence and resources, but have received below average user Satisfaction ratings or have not yet received a sufficient number of reviews to validate the solution. Contenders include: Akamai and Microsoft Azure CDN
  • Niche solutions do not have the Market Presence of the Leaders. They may have been rated positively on customer Satisfaction, but have not yet received enough reviews to validate them. Niche products include: Rackspace CDN
G2 Crowd Grid® for Content Delivery Network (CDN)
High Performers
Amazon cloudfront
Imperva incapsula
Cdn77 com
Rackspace cdn
Microsoft azure cdn
Market Presence
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