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Today marks Google I/O, where the company unveils many new features across its lineup of products, including Google Search. It’s common to observe increased volatility in search rankings during this event, and that trend is evident this morning — the day of Google I/O.
To clarify, Google has not officially announced a search ranking update today. However, since we monitor all unconfirmed fluctuations, this is likely one of those. The latest core update started on March 27, 2026, and wrapped up on April 8, 2026. Additionally, the trend of sites being deindexed, which we highlighted earlier, continues. Many websites are experiencing drops in indexing, with the “Crawled — currently not indexed” metric rising significantly for numerous sites.
Unconfirmed updates have been observed on May 13-14, May 8, April 27-28, April 23, and other dates. The most recent of these, beginning on May 13, appeared to persist through last Friday.
Various SEO tracking tools indicate notable volatility:
– Semrush shows fluctuations in search engine rankings, with graphical representations highlighting the changes.
– Advanced Web Rankings and SimilarWeb also detect significant shifts during this period.
– Zutrix, Wincher, SERPstat, Sistrix, Wiredboard’s Aggregator, Accuranker, Mozcast, Data For SEO, Algoroo, Mangools, and other tools similarly report elevated levels of search volatility, often showing a spike in ranking fluctuations. It’s expected that these tools will continue to report increased activity tomorrow.
Some early discussions about these changes are circulating in SEO communities and webmaster forums. Notable comments include observations of sites experiencing sudden gains followed by declines, unexpected traffic patterns like a surge in Google Analytics due to bots from specific regions, and reports of worsening search result quality, rankings, and increased bot traffic. There’s also mention of bot activities, including those originating from Germany and China, that have been notably aggressive over the past few weeks. Some participants remark that, despite the chaos, and if only bots could place orders or convert, the situation might be different.
The ongoing discussions reflect a common theme: significant fluctuations are happening across the SEO landscape, with many websites feeling the impact of the recent activity.
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