links

PageRank by Larry Page and Sergey Brin, is the foundational algorithm Google was built on - it ranks web pages by treating hyperlinks as votes, where a link from a high-authority page passes more "link juice" than one from a low-authority page. The model calculates a probability-based score reflecting how often a random web surfer would land on any given page by following links. Explains why backlink quality and site authority matter in SEO, and why links from authoritative sources carry disproportionate ranking value.