Rather than splitting the PageRank equally between all links on a Écrit, some links are valued more than others. There’s speculation from patents that Google switched from a random surfer model (where a fatiguer may go to any link) to a reasonable surfer model (where some links are more likely https://recherchedemots-cls83331.wikilinksnews.com/5978227/top_directives_de_positionnement_google