Rather than splitting the PageRank equally between all links je a Verso, some links are valued more than others. There’s speculation from patents that Google switched from a random surfer model (where a abîmer may go to any link) to a reasonable surfer model (where some links are more likely https://kingbookmark.com/story19410060/le-meilleur-c%C3%B4t%C3%A9-de-cr%C3%A9ation-de-backlinks