What is Core Update?
A Core Update refers to significant changes that Google makes to its search engine algorithm - a complex system it uses to sort and rank websites in search results.
These core updates are designed to improve the relevance and quality of search results.
They can affect a large number of sites across various industries, potentially causing noticeable shifts in website rankings and traffic. Unlike minor daily updates, core updates can greatly affect a site's SERP performance.
Google typically announces these core updates in advance, because of their potential to significantly influence a site's performance on SERPs.
However, they do not often provide specific details about what has changed in the algorithm, leaving SEO professionals to analyze the effects and adapt their strategies accordingly.