How does a CDN affect SEO?

Written by Posted On Sunday, 29 April 2018 23:15
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A CDN is a content distribution network (Content Delivery Network in English). It is based on a series of servers scattered around the globe and contains a version of the static content (Images, CSS, Javascript) of our website. Thus, when a person visits our site, they receive information from the server closest to it geographically, thus obtaining a faster response when sending data, since we reduce distances and avoid intermediate breaks. In addition to lowering the load of your server, by using a CDN users around the world will have better load times and therefore a better user experience globally. Each CDN service is different, and there are many, both CDN free trial and paid.

CDN affect in SEO

There are four factors that will be affected by using a CDN and in particular INXY CDN: Security, speed, local SEO and duplicate content.

A CDN improves our security and availability against denial of service (DDoS) attacks, a technique considered as Negative SEO, but which is really a widespread practice of Hacking.

It is based in a simple way, on sending massive amounts of traffic to a server until the line is saturated and the server is unable to send data.

With INXY CDN, all traffic that would normally attack your server directly and block it is automatically distributed throughout the network of servers. With all this traffic distributed, the effect is diluted and it is much more difficult to drop your server.

Speed, it is clear that Google considers every factor that improves the user experience very positively, and speed being one of the things that have the greatest impact on a satisfactory experience. It is clear that the improvement of speed improves our positioning and the specialty of a CDN is precisely improving our service speed.

When changing the DNS of your hosting to INXY CDN, the public IP address will no longer.

Contrary to what many believe the IP address is not a factor in your Local SEO.

The factors that really matter in local SEO are your TLD, the hreflang tags and the declaration of your audience in Google Search Console.

It should be noted that this is an important point for any website with an international scope.

We have the doubt of the duplicate content. It is clear that our static information resides in many servers scattered around the planet, it is normal that the doubt of the duplicated content arises.

The answer is that in a CDN there will be duplicate content because you are making many copies of your site all over the network.

The question is whether this penalizes or not, and the answer is that it does not penalize since the same content is always presented in the same URL independently of the server that sends it to you, so it is identified as unique before the search engines.

Of course, they detect that they come from different IP addresses, but this happens even on websites in a classic hosting without realizing it.

The key to avoiding duplicate content is a correct canonization of our content, if we fail here, we will be penalized both in a CDN and outside it.

The correct configuration of the Google Search Console and the use of rel = "canonical" tags is the correct way to avoid it.

Let's suppose a PDF and an HTML page with the same content.

The content of a PDF is indexed and Google would detect content equal in both.

In short, if our website or blog is well planned and well defined and configured by CDN, not only will not hurt our position but will improve.

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