The ranking is only relevant to you. It's part of Kagi's lenses and search tailored for you, by you approach. I guess their "Universal Summarizer" is a part of

The ranking is only relevant to you. It's part of Kagi's lenses and search tailored for you, by you approach. I guess their "Universal Summarizer" is a part of their indexer, so they try to understand what you want and provide you more relevant results. They probably have other signals and systems to detect spam and other unwanted things.