Broad core update

[Lookchup]

In a general way, these kinds of updates are about improving how Google understands search queries, improving how Google understands web pages and bringing both sides together to provide more relevant search results.

[billyjhon]

Google has recently shared this guidance around expansive center calculation refreshes: "Every day, Google typically discharges at least one changes intended to improve our outcomes. Some are engaged around explicit upgrades. Some are wide changes.

[Yuga]

These updates come under the category of core algorithm update. ... Unlike the core update, the Broad Core Algorithm Update happens only a few times a year and can make significant changes in the search results for users. It is more focused on improving the search quality by giving users better search results.