I clicked on the submitter's username. This is his personal site. Which used to be a blog. Which isn't anymore. This is basically a Show HN. So, I have questi

I clicked on the submitter's username. This is his personal site. Which used to be a blog. Which isn't anymore. This is basically a Show HN. So, I have questions. What do you mean that it doesn't rank sites based on authority? What do you mean by authority? Because PageRank (for example) ranks sites based on relevance. What are you ranking sites based on?