Over the span of time, content delivery networks have aided businesses to make their respective websites, applications, and files accessible to their end-users at a blazing speed. Not only has it abetted in controlling the network hiccups, jittering, packet loss, but also made latency out of the syllabus gizmo. Before we take the subject forward, let me first make you cognize – what content delivery network is? 

A Content Delivery Network which is also sometimes connoted as Content Distribution Network is a network of geographically distributed edge-severs responsible for delivering static content depending on the geographical location (proximity) of the end-user. 

Let's take a Quick Glance at CDN's Functionality 

Cloud CDN is a collection of cached servers that are dispersed in several geographical locations. Here, content is replicated from the main server to cache servers in order to deliver the content from proximate optimal surrogates to the end-users. Replicating the same web content, applications or services over geographically located Web servers augments network performance and boost scalability. When a user searches for any information or service, the request gets quickly redirected to the nearest server in proximity to the user's location for immediate response.

CDNs Hype – Is it a Reality?

With the proliferation of the Internet of global Internet users that accounts for approximately 3.17 billion in 2015 plus bandwidth consumption are the prime mover that have completely revolutionized the landscape for CDN service provision. The potential of CDN has plunged new geographies and has surpassed Internet limitations with respect to quality of service when accessing web content. For businesses reliant on the Internet, CDNs are the key survival strategy, helping them improve their capex and opex investments. CDNs provide services that augment network performance by maximizing bandwidth, improving content accessibility through content replication.

Know What the Below Report has to Say:

According to a survey conducted by Informa Telecoms & Media, commercial CDN services are playing a pivotal role in overcoming the limitations of the Internet, and are expected to grow US$4.63 billion, which is three times higher than what was in the year 2012. In addition to this, it suggests that video will be the major contributor to commercial CDN revenue growth, accounting approximately 81% of overall revenue in 2017.

Impact of Content Delivery Networks (CDNs) on SEO

Well, it is no more a debatable question that CDN helps in improving the website performance on search engines. Slow loading web pages not only makes your visitors annoyed, but also lead to revenue loss.  

Did You Know? 

45% of visitors abandon a web page taking more than 3 seconds to load. 
Approximately 75% of users won’t returns to a website that takes 4 seconds to load

When a search engine crawls through your website and discovers it unavailable or slow– it gets recorded into its database. If inaccessibility issues occur on a frequent basis, websites get deindexed, and to your surprise, Google does so.

CDN can help you combat all such issues by making your website readily accessible to your end-users. It optimizes the page speed. Based on caching algorithms and canonical headers, CDNs help enhancing SEO ranking of your website by impeding duplicate content creation issues. 

Essence of this Post: CDN is the best technique that can ascertain fast and reliable applications delivery by distributing content to cache or edge servers located nearby to users. By leveraging CDN hosting services, businesses can gain faster time to market and capitalize on market opportunities by overcoming network congestion and bottlenecks, which usually occurs due to traffic spikes.