Lesley Morrison

Google’s latest spam update has officially wrapped up, and if you’ve noticed some unexpected movement in your search rankings lately, it might be worth taking a closer look.

The September 2026 spam update began rolling out on September 24 and ended on October 8, giving Google’s spam-detection systems nearly two weeks to adjust. As with previous spam updates, Google’s goal is to improve the quality of search results by identifying websites that violate its spam policies.

But what exactly changed? And what should marketers do if their rankings took a hit?

Google’s September Spam Update Has Finished Rolling Out

According to the Google Search Status Dashboard, the September 2026 spam update launched on September 24 at 9:15 a.m. Pacific and completed on October 8 at 1 a.m. Pacific. The update applied globally and across all languages, meaning websites in every market could potentially be affected.

Google hasn’t identified specific spam tactics targeted by this rollout. However, its official spam update documentation explains that these updates improve the automated systems responsible for detecting and addressing search spam.

That includes technologies such as SpamBrain, Google’s AI-based spam-prevention system, which helps identify manipulative practices and emerging forms of spam.

Importantly, this was a spam update, not a core update. While both can affect rankings, spam updates focus specifically on improving Google’s ability to identify content and practices that violate its spam policies.

What Does This Mean for Your SEO Performance?

If your website experienced ranking fluctuations between September 24 and October 8, the spam update could be one possible explanation. But don’t assume every traffic dip is evidence of a spam violation.

Search performance can change for plenty of reasons, including competitor activity, seasonal demand and shifts in search behavior. The first step is to examine your data.

Compare organic clicks, impressions and average positions in Google Search Console before, during and after the rollout. Look for patterns affecting particular pages, search queries or sections of your website. If you identify a significant decline, review Google’s spam policies and consider whether any of your SEO practices could be creating problems.

Google’s documentation also notes that recovery isn’t necessarily immediate. Even after a website addresses spam-policy violations, its automated systems may take several months to recognize sustained compliance.

What Should Marketers Focus On Now?

There’s no need to overhaul your entire SEO strategy just because Google released another spam update.

Instead, use this opportunity to check a few important fundamentals:

  • Review your content quality: Look for pages created primarily to attract search traffic without providing meaningful value.
  • Examine your link-building practices: Avoid manipulative tactics intended to artificially influence rankings.
  • Audit AI-generated content: Make sure automation isn’t being used to produce large volumes of unoriginal or low-value pages.
  • Monitor search performance: Identify meaningful trends rather than reacting to every daily ranking fluctuation.

Google’s spam updates are another reminder that shortcuts designed to manipulate search rankings can carry long-term risks.

Google’s September Spam Update Is Over. The Work Continues.

The September 2026 spam update may have finished in October, but Google’s efforts to combat search spam are ongoing.

For marketers, the takeaway is fairly straightforward: Keep an eye on your performance, investigate significant changes and make sure your SEO strategy is built around useful content and legitimate optimization practices.

After all, chasing loopholes in Google’s ranking systems is a lot less appealing when Google keeps closing them.