Blogger.com - Create a unique and beautiful blog. It’s easy and free.
This chart shows the history of detected websites using Blogger
We detected the following sites were using Blogger
A CMS will sometimes include a meta tag within the html of each page. This is usually a "generator" tag like <meta name="generator" content="What CMS" /> but could also be "application-name", "Powered-By" or anyting else the CMS creators decide to use.
Some content management systems also offer hosting. A website hosted on a CMS developer's domain is a dead giveaway.
Dedicated Content Management System Detection