Google Core Update.

Google changes its search systems every day in small steps. In addition there are larger adjustments that Google announces officially. The most important of these are core updates: changes to how Google assesses overall which content is most helpful for a search query. They are published on the Google Search Status Dashboard and usually roll out over about two weeks.

Alongside core updates there are more targeted updates, for example against spam, against pages with low-quality reviews or against the abuse of other sites' domains. Since March 2024, the former 'helpful content system', which specifically downgraded unhelpful content, has been part of the core ranking systems. As a result, the question of whether content is written primarily for people feeds directly into the core assessment.

Google stresses that a loss after a core update does not mean something is wrong with a website. Often other pages rise because they are judged more helpful. There is therefore usually no quick technical fix. Google recommends taking a critical look at your own content: does it offer original information, experience or analysis? Would you recommend it to a friend? Is it better than what else appears in the results?

Recoveries after a loss often only show with a later core update, when Google reassesses the revised content. Hectically rebuilding pages after every update tends to make analysing the causes harder. A calm comparison makes sense: which pages and which queries lost, who rose instead, and what are those pages doing differently?