Adding an MD co-author (not just a reviewer): a 50-page YMYL test The question: is there a measurable difference between an expert who reviews content and one credited as a co-author who demonstrably …
Cleaning a damaged off-site reputation: a brand's 9-month signal repair The question: when the QRG tells raters to lower a page's rating for negative reputation, can a brand measurably reverse that of…
Original test photography vs stock: a 90-page product-review split The question: does first-hand experience evidence — your own product photos, not manufacturer images — correlate with ranking after t…
Pruning 60% of a thin-affiliate library: an HCU-era recovery study The question: after a Helpful Content hit, does removing low-value pages outperform improving them? A documented affiliate case from …
When an author earned a Knowledge Panel: one finance writer's 14-month arc The question: does building a recognizable author entity — to the point Google issues a Knowledge Panel — track with ranking …
The Healthline medical-review-board experiment, by the numbers The question: does attaching a named, credentialed reviewer to YMYL health pages move anything measurable, or is it cosmetic compliance t…
