How to find the CDN used on your website – CDN Checker

A CDN (Content Delivery Network) is one of the essential performance optimization components of any website. Speed ​​up content delivery by processing requests from the location closest to the user.

One of the questions I often get is how to find out which CDN a particular site is using.

We all love curiosity . Isn’t it?

I previously wrote about how to check the technology used on your site, and this time I’ll explain how to check your CDN.

There are two methods, choose the method you prefer.

Using online tools

Probably the easiest way is to use a tool. The following tools will display the CDN provider name when you enter your domain name.

CDN finder

CDN Planet’s CDN Finder lets you see which providers are used for an entire website or a specific domain name.

In the search results above, you can see that .com was correctly detected as using Cloudflare.

It’s easy.

manually

If the above tools do not give you results, you can find it manually. It takes a little effort, but you can definitely get it.

First , you need to find your domain’s IP address. You can obtain your IP address using one of the following tools:

• DNS record search
• DNS watch

Example : I got 104.27.175.50 as the A record for siterelic.com

Next, you need to find the IP owner using online tools.

Original:

• geek flare
• IP lookup

As you can see, the IP is owned by Cloudflare . If you want to automate the process of retrieving IPs, you can consider leveraging the IP Lookup API.

We hope this brief explanation helps you check your site’s CDN for your research.