This post contains a POC (Proof of concept) on how to detect if a user is using the same computer as they have previously used before. This can be useful if you want to register a user’s computer for a certain functionality that your website may have. It can also be used to only allow one computer to view private content of a site and has many other applications aside from being really cool!
The way the script works, it has functions to retrieve the following:
- Browser type
- Display width & height, color depth and available height
- The plugins that are installed on the browser
- The operating system the browser is running on

Recent Comments