Danny Sullivan, Google's Search Liaison, posted on X explaining the differences between algorithm updates, like core updates, and then data refreshes, the data that goes into those ranking systems.

Google launched four official and confirmed algorithmic updates in 2025, three core updates and one spam update. This is in comparison to last year, in 2024, where we had seven confirmed updates, then ...

News source websites have benefitted the most from the introduction of Google’s Panda algorithm update, a research by search marketing specialist Greenlight suggests. The study aimed to identify the ...

Searchmetrics has been publishing Google Panda updates on winners and losers across Europe for the past week. On its Web site, marketers can find information on companies in Switzerland, Italy, Spain, ...

Google’s algorithm is wasting no time in removing low quality sites from the search results. Anecdotal evidence suggests that the volume of sites affected by this update may reach historic levels not ...

When you hear the words "penguin" or "panda," you likely think of the adorable animals you saw during your last trip to the zoo. If you are familiar with Google’s constant algorithm updates, however, ...

The introduction of Google’s Panda algorithm left webmasters and online business owners alike scrambling. The change was designed to lower the rank of low-quality or "thin" sites and return ...