What is a CDN
The CDN (Content Delivery Network) is made up of a set of localizations around the world that locally redistribute the contents of the servers and cache files that do not require constant updates.
It is a simple but useful principle especially for those who work in international contexts because it allows you to speed up and optimize websites.
All our hosting services support Cloudflare , one of the most reliable CDNs in the world, for free: you can activate the functionality with a click, thanks to our automatic integration, increasing the protection of your site and performance.
How a CDN works
How does a CDN actually work?
- Users access content from all over the world and the CDN redirects the request to the closest PoP (Point of Presence) CDN to the user to reduce latency times.
- Thanks to the communication between the CDN and the server, the requested files are sent to the users. The CDN then empties the cache and then refills it when the file is requested by a new visitor.
- When a user requests the same page again, the CDN distributes the static content directly from the cache, without requesting anything from the hosting.
These steps are aimed at delivering a faster site, decreasing latency times and server load.
The benefits of a CDN
Reduce loading times
The CDN helps you to improve the loading times of your website: the various requests for content from users will be processed with the same speed in every part of the world. Loading times will be faster in any place and users will be able to access content quickly, improving their browsing experience on the site.
Rapid and widespread distribution of your content will help you expand your online business and your brand internationally.
Improve security
The Cloudflare CDN features a threat, bot and malware identification system that blocks attacks before they reach the server.
It protects against DDoS attacks by automatically managing the load in the different PoPs to avoid server saturation.
It also provides a 50% reduction in spam, saving valuable cleaning time.
Optimize the SEO of websites
Loading time is an important SEO parameter for positioning on search engines. The CDN accelerates the response times of the pages of your website thus improving the loading and, consequently, the positions in the SERP.
In fact, the CDN has an “anycast” IP address, ie non-localized which allows you to geolocate your site anywhere in the world and position it better in local search engines.
Improve the performance of the CMS
If you have built your website with a CMS (Content Management System) such as WordPress or PrestaShop, using a CDN can boost your performance and help you make the most of all the potential of each individual CMS, whether you have a blog. personal whether you have an e-commerce with thousands of visits.
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