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How to tell what platform a website is built on

Posted by Mariana Morales

Website Development

Do you ever wonder what your competition is building their websites on? Or when you come across a really mind blowing website aren't you curious about the technology used to build it? It's always beneficial to be able to get some insight into what others are doing and why.

There are a few ways tricks that you can use to determine what platform a website is built on or with. We'll explore the below.

Use a Tool

There are a number of websites that you can go to, type in the website's address and then they will break down the technology stack for you.

For instance, if you go to and put in a website, they will break down the technologies by category. Web server, email services, SSL certificate and the platform or content management system.


  • CMS Detector
  • W3Techs
  • What CMS

You can also download a browser add-on like Wappalyzer, this will accomplish the same idea as the suggestions above if you use Firefox or Chrome.

Look at the source code

The source code of a website is easily accessible from your browser. In Chrome look for Developer Tools, in Firefox look for Web Developer in your menu. The source code's file extensions and URLs can tell you what type of platform the website is built on. For instance, if you search the code and find wp-content, you can be confident that the website was built on WordPress. Some platforms are even more telling, if a website is built on a platform like HubSpot, the source code will include information about the HubSpot template builder.


You can also make your way to the bottom of the website, often in the footer you will find the design agencies website, click through and browse what technology stacks that purport to work with, you'll likely find an answer with a bit of digging.

We hope this gives a little in sight on how to see how others are using the internet to accomplish their goals. If you're regularly building and designing websites, check out our free guide below. We put it together to help agencies deliver more successful websites on time and on budget.

Elements of a website redesign


Mariana Morales

Written by Mariana Morales

Mariana's a internet marketing enthusiast and a blogger. She loves Digital Marketing tendencies.