What is CDN and why it is necessary for the blog

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Today in this article we will tell you What is CDN and why it is necessary for the blog. CDN plays an important role to speed up website loading speed. Google also uses loading speed as a ranking factor.

What is CDN and how CDN works


CDN full form is Content Delivery Network that improves website loading speed. Content Delivery Network (CDN) is a network of many servers, which serves your website contents based on user's Geographical Location. In simple words, when a user accesses your blog or website, it comes to your blog via the CDN server.

Suppose that you are using Bluehost web hosting which is an Indian server and when a user visits your website, then he passes through the Bluehost server, Now if your website has High Traffic site, then your server gets overloaded, and your website will be slow down or server will crash.

In this situation, CDN server handles your website and creates a Static page of your site. Now when a user visits your website, then CDN serve the static file to visitors and furthermore redirects to the nearest server of their geographical location.

Advantage of using CDN server


Improve loading speed

CDN especially use to increase page speed. It stores your site's cache file on their servers and when a visitor visits your site, then CDN service serves cache files to visitors. With this, your site opens faster in the visitor's device.

Improve Google Ranking and User Experience

When you use CDN service on your site, your site becomes more faster than before. From which you get the benefit of two things - Improve Google Ranking and Improve User Experience.

Google has also clear that faster loading website gets higher rank in search engine.

You must have noticed that when you check the loading speed of the blog then loading speed checker tools recommend using CDN.

Improve Website security

CDN improves the security of your blog or website and protects from spam attack, SQL injection, DDOS attack, spam comments. Many bloggers say that after setup CDN service on the blog, their visitors cannot access the website, its main reason is that they were using your site as spam. So they can not open your blog or website.

Furthermore, CDN prevents your website from crashing with high Volume Traffic.

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