https://news.ycombinator.com/item?id=21622322
https://www.kevin-indig.com/the-problem-with-spam-and-search/
https://support.google.com/websearch/thread/144091989/continuous-spam-results-in-google-search-first-page-result?hl=en
https://searchengineland.com/google-web-spam-report-less-than-1-of-search-results-visited-spammy-301158
https://damonmccoy.com/papers/www2016-cloud.pdf
2023
How we fought spam on Google Search in 2022
Tuesday, April 11, 2023
https://developers.google.com/search/blog/2023/04/webspam-report-2022
https://chrome.google.com/webstore/detail/signal-spam/npkncdihipibabapnailakhpajlglbfk
