I just noticed the description. What are search engine “factors”?

I apologize, but this is the first time I’m seeing this term in this setting, i.e. blackhat

do you mean what are the search engine ranking factors? if this is what you are looking for, see this video from 2013. still valid
https://moz.com/blog/weighting-the-clusters-of-ranking-factors-in-google-analytics-whiteboard-friday
one thing: addressing user intention is becoming more important than what it was in 2013