What is the CDN good for?

CDN stands for Content Delivery Network. What a CDN does is basically duplicate your website’s resources across a network of servers around the world. That means that your website in your server’s country will load as fast as it would load for somebody in the other side of the world. This is a MUST WordPress performance setup if your visitors are all over the world.

But a CDN not only improves the loading speed of your website. Here's the four main benefits of using a CDN with your site:

  • Speed – As mentioned above, a user located in the other side of the world will no longer suffer slow loading times.
  • Less downtime – A CDN allows to distribute the load to more than 1 server. 100,000 users accessing your local server is not the same as 100,000 making use of many servers that are more powerful than yours
  • Security – Most of the CDNs provide a WAF (Web Application Firewall), which, in short, provides another layer of security protecting your site.
  • Improvement in SEO – Google clearly states that faster sites will rank higher in search engines. Since a CDN improves your site speed, your SEO will too.
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