I’ve analyzed the biggest domain level visibility shifts in Sistrix for the US and UK during the May 2026 Core Update, with a measured window from May 26 to June 2, 2026. The rollout itself took place from May 21 to June 2. One of the clearest patterns I’ve found when going through the winners … Google May 2026 Core Update Analysis: Intent, Market Fit and Source Type Drove the Biggest Visibility Shifts