If you woke up this week and noticed that your traffic looks different, you’re not alone. Google officially launched May (year). Core Update on May 21st, and the SEO community has been closely monitoring the impact since then. This is the second major core update of (year) and according to the initial data, it hits with full force. If you run a blog, content site, or any other website that relies on organic search traffic, the most important thing right now is to understand this.
Google released May (year). Core update on May 21st, the company’s second core update of the year (year). It follows March (year) Core update, March (year) Spam update and February (year) Discover the update. The rollout can take up to two weeks. This means that the rankings you see today are not final. The dust won’t settle until about the first week of June, so don’t make panicked decisions based on what you see this week.
How bad is it compared to previous updates?
This is where context matters, and context is really worrisome for sites that haven’t kept up with Google’s quality expectations for content. In March (year) As the core update rolled out, 79.5% of URLs in the top three positions moved, up from 66.8% in the December 2025 update. In the top 10, 90.7% of URLs moved, compared to 83.1% in December.
This is extraordinary volatility. Think about what that means: Almost 80% of the sites that ranked first through third in March have been moved. This is not a small change to the algorithm. This is a near complete reordering of search results for an enormous number of queries.
March (year) Core Update was, without exaggeration, one of the most aggressive in the last cycle: almost 80% of the results in the top 3 changed positions, and almost one in four pages in the top 10 fell completely out of the top 100. May (year) The update comes as the next chapter of the same story.Marketing4eCommerce
The May update arrives just 43 days after the end of the March rollout. That’s an unusually tight rhythm and means sites that were still recovering in March are now being hit by a second wave before they’ve had time to diagnose what went wrong.
What is punished?
Early community observations suggest that the categories of poor informational content, AI-generated sites without significant human editing, and affiliate rating characteristics were most prominent in the early days of the May rollout.
Google is now introducing the next generation of its core ranking systems, built on advanced Gemini-based quality models, with an emphasis on presenting original, helpful, human-focused content and penalizing automated, ad-laden content.
This phrase – “twin-based quality models” – is significant. Google no longer just uses traditional signals to assess content quality. It uses proprietary AI models to evaluate whether content is truly useful or whether it is designed to rank. The complexity of this assessment has increased significantly over the year, which is precisely why sites that have flown under the radar with reasonably light content are now being targeted.
What is actually rewarded?
Google increasingly favors content that demonstrates real expertise and practical understanding of a topic. Articles that contain real-world examples, case studies, expert insights, or first-hand experiences are becoming increasingly more competitive than generic, rewritten summaries. Websites that focus heavily on a niche produce stronger authority signals.
This isn’t new news from Google – they’ve been saying it for years. The difference in (year) is that the algorithm is finally mature enough to consistently enforce it. Experience-based content, verified recommendations, real opinions backed by real knowledge – these are things AI can’t easily reproduce, and that’s exactly what Google’s quality models are trained to find and reward.
What you should do now – and what you should avoid
Most importantly, don’t make quick content changes during an active rollout. During an active rollout phase, data is volatile and unrepresentative. Any changes you make now will be evaluated against an algorithm that is still changing – making it almost impossible to know whether your changes helped or hurt.
Wait for the introduction to complete and then review carefully. Retrieve your Search Console data for the last 90 days. Look at what pages have been deleted and ask honestly: Does this page contain anything truly useful that a reader couldn’t find elsewhere? Is it based on real knowledge or real testing? Does it answer the query better than the pages that ranked higher? The answers to these questions are your content roadmap.
Reddit signal: r/SEO is extremely active this week. The threads reporting the biggest declines consistently come from site owners who are pushing large amounts of canned content, be it AI-generated or just thin and formulaic. The threads reporting wins come from smaller sites with real niche authority and a consistent editorial voice.
Twitter/X Signal: SEO experts on X have been sharing volatility screenshots all week. The most retweeted analysis points to a pattern: sites that switched to email newsletters, YouTube, and social audiences before the update are ignoring the traffic drops. Websites that were over 90% dependent on organic search are in crisis mode.
Quora signal: “My blog traffic is down 70% this week – what should I do?” appears in large numbers in the digital marketing section of Quora. The most upvoted answers consistently say the same thing: don’t touch your site during launch, do proper content auditing once it’s stable, and start building traffic channels that aren’t 100% dependent on Google.
The larger lesson from this update is not new, but it continues to prove true. The sites that are resilient through core updates are the ones that are already building real authority, real audience relationships, and content designed to serve readers, not to rank. This is the only strategy that won’t be interrupted every time Google pushes out a major update.
Quick links:
