Firefox Add-on


We just released version 0.1 of our Firefox Add-on. The new add-on allows users to detect content management systems with the click of a button in the Firefox toolbar.


378 Content Management Systems


We're nearly up to 380 content management systems! We recently added detection methods for Contentful, SiteKreator and LeadPages. Since these are new system to, the market share calculations we have are artificially low. We expect, as we check and re-check more sites, their market share numbers to grow.

In addition to improving our detection coverage, we spent time beefing up our existing detection methods for BigCommerce, MantisBT. As with the new systems mentioned above, we may see the market share for these systems increase but we don't expect significant changes.

340 Content Management Systems


We just uploaded another update to our detection software. We've been pouring over web page content to beef up our detection algorithms and add to the list of detectable systems. Today's update brings us up to 340 different content management systems and better detection for a number of other systems.

New Comparison Tool

We just uploaded a new tool to our website for comparing content management systems. Using our comparison tool, you can see market data for multiple content management systems side-by-side. For example, here's a comparison of the two most popular systems: Wordpress and Joomla.

Increase In Submitted Detections


We've been seeing an increase in submitted detection methods recently.

First of all, THANK YOU! Your submissions are extremely helpful to us. They help us expand our detection coverage and help us figure out where our detections are off the mark.

Secondly, we just wanted to mention that with the increase in submissions, we've fallen a little behind.  We'll be doubling down our efforts to verify and add the new detection methods and we'll hopefully be caught up here soon.

Thanks for helping us become the best possible CMS detection service.


Working With Invalid Markup


It's very common for web pages to have errors in their markup. For the most part, these errors go completely unnoticed and our detection algorithm doesn't skip a beat. However, during some testing we ran today, we noticed one detection method was misbehaving for a particular url. Upon further inspection, we found that a small error in the page's markup was at the root of the problem. Once we found the cause of the problem, coding the fix was a breeze.

API Wrapper

We now have a simple API wrapper available for PHP developers. The project is hosted on Github and easily installed using Composer.

More Accurate Detections


We're always looking for ways to improve our detection methods, and we feel pretty good about the current quality. Well, we felt pretty good until we came across this article on It's not bad news, we tied for first with two other detectors.

The author, Petr Svihlik, tested ten different CMS detectors on "well-known websites running on almost 20 different CMSes". His tests found that our detection rate, along with the other two top detectors, was 84%. It's a respectable number, but as a perfectionist, I'd like to see it higher and I'd really like to know where our detector missed a CMS.

So, I reached out to Petr, and even though he's out of the office right now, a coworker of his has responded with the assurance that Petr will get back to me. So cross your fingers! Hopefully we'll have some answers to how our detector missed some CMSes and some solid data for improving our algorithms!


Get more out of by accessing our detections programatically with our API or directly in your browser.

Dedicated Content Management System Detection