wig is a tool developed in Python3 of information collection of web applications, which can identify numerous content-management systems and other administrative applications. Each detected CMS is displayed along with the most probable version of it. Internally, it obtains the operating system on the server from the 'server' and 'x powered-by' headers (https://github.com/jekyc/wig).
These are the options provided by wig script over the Python3 environment:
In this image, we can see the technologies used by the testphp.vulneb.com site:
In this image, we can see how it detects the CMS version and other interesting ...