Theses
A claim about Google ranking, put up for discussion and weighed against the evidence — not a system already confirmed and sourced like a Deep Dive.
2 theses
- What Backlinks Are Actually ForA link is not a vote. It says what a page is about — and authority runs on a different axis entirely.
- Popularity Is Not AuthorityPageRank was defined as a visit probability. Twenty-seven years later Google calls it distance from a good source — and measures popularity somewhere else entirely.