The digital medium is like a seesaw of constant algorithm modifications and changes to the crawling agents utilized by search engines for calculating SERP positioning and visibility for generative results. The latest of such modifications came in the form of the September 2026 spam update, launched by Google on September 24th and completed almost two weeks later, on October 8th.
According to Google, the September 2026 spam update was just another algorithm modification like the ones launched in the past year, designed to fight link spam and align websites with the previously laid-out helpful content framework. But the update’s rollout time and the overall impact on the industry appear to have been greater than most SEOs expected.
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Google September 2026 Spam Update
The Google September 2026 spam update took significantly longer than previous spam updates launched in 2026. While the average rollout time for algorithm modifications like this is usually under two or three days, this one took two weeks, and while Google did not disclose any specific spam techniques targeted, the high SERP volatility in SEMrush and the turbulence encountered in Mozcast point to significant SERP disruptions.
September 2026 Spam Update Key Facts
Google Search Status Dashboard announced the latest in the collection of 2026 spam updates on 24th of September, and declared the completion of the implemented algorithm modifications, almost two weeks later, on October 8th. At thirteen days and sixteen hours, the rollout period of this latest update is the longest we have encountered since the start of the year. Moreover, the update was global, impacting all websites regardless of language, and it was the fourth spam-like update of 2026.
This longer rollout period is unusual, as Google Spam updates are typically completed much faster than this. For 2026, only the Discovery update of February had a longer implementation duration. In contrast, the March spam-focused update only took 19 hours to finish.
What Did Google’s September Spam Update Target?
The September algorithm modification was described by Google as a normal algorithm modification, with no specific targets being publicly announced. There is no proof so far that the update targeted only link spam or AI-generated content. What is known is that this latest update was characterized by unusual industry volatility, and that it should be interpreted in the context of Google’s already in-use spam policies.
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How Did the Update Affect Website Rankings?
The full extent of this latest spam update will only be known a few weeks after completion. Right now, after only four days, the scope and impact of the algorithm change is still being assessed.
What is known, however, is that this update coincided with significant volatility in SEMRush, Wincher, and Mozcast. In the latter one, for instance, the volatility forecast before the September update was somewhere in the neighborhood of 110-120 degrees. Between September 27th and September 30th, the forecast climbed to almost 200 degrees, and currently, on October 12th, it’s at 184°.
What Should You Do If Your Rankings Dropped?
First of all, you should consider using our services. Our 20 years of PhD-led experience and the complexity of the SEO services we provide can represent a useful tool for identifying pages affected by algorithm modifications, even before these changes can have an impact on long-term CTRs and interactions with target users.
SEO traffic analysis dashboard
The ongoing SEO services we provide can be an effective way to keep up with the algorithm modifications launched by Google in the last couple of years, enhance your content’s E-E-A-T signals, and improve the structural elements of your pages with a direct impact on AI Overviews citations. In order to help after the spam update, our agents could:
- Identify pages affected by the latest algorithm update by comparing clicks, impressions, and average position in the GSC
- Audit the impacted pages for potential violations of Google’s spam policies
- Monitor the page’s performance for months after the update’s completion
- Improve content and ensure that pages follow the CWV metrics
FAQ:
1) Did the Google September 2026 Spam Update Specifically Target AI-Generated Content?
A
Google did not comment directly about the targets of the September search-abuse crackdown. For all we know, the update was focused on enhancing already in-use spam policies, and the creation of large amounts of content with no topical value for target users is among those measures targeted by spam updates, regardless of whether AI was used or not.
2) How Long Does Recovery from a Google Spam Update Take?
A
It depends. Recovery can take as little as a few weeks, or it can stretch for months at a time. The issue is that Google’s indexing tools need time in order to reassess the SERP positioning of previously targeted websites. So, even if your site identified and resolved the issues that led to visibility penalties, the ranking can be affected for quite a long time.
3) Can Websites Lose Rankings Without Violating Google’s Spam Policies?
A
Yes, search rankings can fluctuate for a variety of reasons, and it’s not always a guarantee that visibility losses are caused solely by modifications to Google’s backend systems. This is why audits and GSC data reviews are necessary in order to make significant modifications to SEO policies.
About Author
Larisa Stefan
Larisa is our project manager and SEO engineer. Her personal competencies and professional knowledge fit well at Gamit. She works closely with clients and team members to establish the best SEO strategy for each of our projects and then supervises their completion and reporting.
