Document as much as you can about the system you are evaluating

[mgifford]

Document as much as you can about the system you are evaluating using tools like https://github.com/berrysauce/ingredients

Like Wappalizer Before it, it is possible to identify what collections of libraries are involved in a site. Often errors happen upstream, and by identifying the software that a site uses, it is easier to see patterns.