MozCast confirmed unusually high SERP flux from May , but it’s unclear if this was directly related to the bugs. Google pre-announced a “site diversity” update, claiming it would improve situations where sites had more than two organic listings. Moz data showed that, while the update did marginally improve SERPs with 3-5 duplicate sites on page one, the impact was relatively small. The update measured at 97°F on MozCast and seemed to impact sites affected by previous core updates. SERP trackers registered multiple days of ranking flux, with MozCast showing early signs on October 2 and peaking at 98°F on October 4. Multiple tools registered very high ranking flux for a few days (MozCast peaked at 116° on February 7th).
Google News – Great news site automatically generated using the results of news sites queried by Google. Google Home – Voice activated virtual digital assistant that assists users with questions. Google Groups – Google’s bulletin board with millions of users and postings. Google Classroom – Google service that allows students and teachers to participate in a digital class. Google Books – Another fantastic service from Google containing hundreds of thousands of books that can be searched. Google Analytics – Google Analytics allows users to monitor and create reports of visitors to their website.
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Google confirmed a “core” update on March 7th, but volatility spiked as early as March 4th, with a second spike on March 8th, and continued for almost two weeks. This may have been multiple updates or one prolonged, rolling update. The “Brackets” name was coined by Glenn Gabe; no details were provided by Google.
Starting around August 16, SEOs began to notice a substantial increase in Google rewriting page titles in SERPs. Google later confirmed this change , and, after many complaints about result quality issues, scaled back some of the changes in September. MozCast measured very high volatility, peaking at 105.0°F, just two days after recording a temperature of 101.3°F.