What is a CDN?
A CDN or Content Delivery Network,
which means "content distribution network" or "content
distribution network", is a network of servers geographically distributed
around the world (points of presence or PoP), between the server that hosts
your website and the location of Internet users who visit the pages of your
website.
To minimize the distance between
each visitor and the server that hosts a website, each web server in the CDN
infrastructure stores a cached version of the website content in multiple
geographic locations.
The objective is to provide high
availability and high performance by distributing your content (e.g., pages,
photos, videos) and your pages as close as possible to where your Internet
users are.
What are the interests of a CDN in SEO?
Setting up a CDN is beneficial to
your SEO. By reducing page load times on your site, you provide a better user
experience and improve your search engine rankings.
Indeed, your website's performance
(page and media loading speed) and user experience are now part of the ranking
criteria for your site in Google or Bing search engines.
As we mentioned in a previous
article on Google's new essential web signals (Web Core Vitals), user
experience becomes a central point in optimizing your SEO.
Thus, the setting up of a CDN
enables you to give your SEO a little "boost" in the response times
of your sites and to increase their load speed (sorry, SERP is the "web
world" in its jargon for "search engine results"). (The "search
engine results page."
A CDN caches static content. Static
content consists of files like HTML, CSS, JavaScript, and image files that
remain the same for each user. These files don't need to be generated
dynamically according to a set of rules - they are dynamic content; the static
files are right there, and everyone uses them. By making these static files
available on a CDN with many servers worldwide, you can make them available to
your visitors very quickly.
There are other advantages to
setting up a CDN. A CDN allows you, for example, to absorb traffic peaks on
your website or increase its availability rate.
So is a CDN good for SEO too?
Insofar as Google likes fast and secure sites, we can confirm that setting up a
CDN is also beneficial for your SEO.
The interest of the CDN in an
international SEO strategy
The interest of a CDN is even
greater as part of an international SEO strategy.
Indeed, the speed of loading your
site in the world can be slowed down, particularly in the countries that are at
a significant distance from the server where it is hosted on your Internet
site.
Thanks to the CDN, even if your
website is hosted in Nantes in our clean room, the pages of your website will
be displayed in good performance conditions in Canada, Spain, or the USA.
If you are therefore targeting
several geographic areas, you cannot, of course, have accommodation in each of
the targeted countries. The best and most sustainable solution is to use a CDN.
On a technical level and for the "more
Geek" among us, the primary role of a CDN is to reduce latency and Time to
First Byte (TTFB). CDNs use a so-called "anycast" IP address, that is
to say, an unlocated IP address which makes it possible to redirect the
Internet user's request to the nearest point of presence (PoP) and so as we
said. earlier in this article, to speed up the loading time of the site. CQFD!
How to set up a CDN?
In reality, there are different
types of CDN (Zone Pull CDN and Zone Push CDN, for example), but this article
is not intended to be technical, and we will therefore skip this chapter. You
will no doubt be grateful to us!
Setting up a CDN requires
technical skills that require your web agency's expertise but rest assured, for
you, this is completely transparent, and you will not have to invest in a
hundred servers or configure them!
Setting up a CDN is very simple,
for example, if you have a site developed on the WordPress CMS and hosted on
our servers. We have been web hosts for more than 25 years, we can set it up
and configure it for you quickly, and any proportion kept inexpensive!
Some of our WordPress hosting
offers, by default, include a CDN configuration. The easiest way is to contact
us.
The implementation and
configuration of a CDN can, on the other hand, become much more complex, for
example, in the context of distributed infrastructures.
Seo
services in Lahore have the expertise to assist you on projects, solutions,
or architecture-specific.
In particular, we support major
accounts on the implementation of architectures based on Amazon AWS Cloudfront,
Cloudflare, StackPath (formerly MaxCDN), etc.
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