Google September 2026 Spam Update Completes After Two-Week Rollout
Google's September 2026 spam update finished rolling out on October 8, 2026 after a two-week rollout, far longer than the typical two days. Local Service Ads, Merchant Center, and Google Ads reporting also changed.

- Google September 2026 spam update rolled out from September 28 to October 8, 2026, taking two weeks versus a typical two days
- SEO community reports a recent uptick in Google manual action penalties
- Merchant Center may disapprove products that change more than once per day if a mismatch is detected
- Google Ads self-service Conversion Lift now requires 1,000 observed conversions and a $5,000 budget
- Google Ads added four AI Max reporting columns: brand inclusions, locations of interest, commission, and optimized targeting
Google's September 2026 spam update finished rolling out on October 8, 2026 at 4:37 am ET, ending a rollout that took two weeks instead of the typical two days.
The update began Thursday, September 28, 2026 at around 12:00 pm ET. The extended timeline is unusual: the previous several spam updates completed within roughly 48 hours, per Search Engine Roundtable's coverage. Webmasters who saw ranking volatility between September 28 and October 8 can now treat the post-update window as stable and start comparing traffic against pre-September 28 baselines.
Why did this spam update take longer than usual?
The source does not explain the slower cadence. The update targeted Google's standard spam-fighting systems rather than the link-specific SpamBrain iteration. Site owners in affiliate, YMYL, and thin-content verticals historically absorb the sharpest ranking drops during spam waves and should review Search Console manual action reports first.
Are manual action penalties rising?
Several SEOs report that Google has issued more manual action penalties over the past few weeks than in the preceding period. The uptick reportedly began several weeks ago and accelerated recently.
Lily Ray wrote on X: "Something I hear often: 'Google has no way of figuring that out'." That line captures the SEO community's recurring friction with Google's enforcement signals, even as the manual action volume appears to climb.
Google does not publish manual action counts, so the reporting remains anecdotal. Sites that buy links, run PBNs, or scrape and reformat third-party content tend to cluster in enforcement waves.
What did Google change in Local Service Ads lead documentation?
Google expanded its "how leads work" help documentation within Local Service Ads. The rewrite spells out what counts as a billable phone lead and how Google processes lead quality disputes and credits.
For LSA advertisers, the practical impact sits in dispute resolution. A tighter definition of "billable" gives advertisers a firmer footing when filing credit requests for low-quality or invalid leads.
How did Merchant Center change its product update policy?
Merchant Center's help documentation now states that a product changing more than once per day may be "disapproved instead of updated if we detect a mismatch."
Retailers running flash-sale feeds, high-velocity inventory, or price-automation scripts should audit feeds for sub-24-hour change cycles. Disapproval removes the product from serving until the mismatch clears, which can crater visibility during peak demand windows.
What is new in Google Ads reporting?
Google Ads added four AI Max columns to the reporting console: brand inclusions, locations of interest, commission, and optimized targeting. Advertisers running AI Max campaigns can now break out performance along those dimensions without requesting custom reports.
Separately, Google Ads now lets advertisers self-service Conversion Lift measurement. Previously, setup required a Google Ads representative. The new threshold: at least 1,000 observed conversions and a $5,000 budget.
The change removes a sales-team gate from incrementality testing and lowers the floor for mid-market advertisers to run their own lift studies.
What else moved on October 8?
Google's new SynthID website can identify AI-generated media. ChatGPT launched a more visual interface. Google Maps added UK fuel prices. Google AI Mode began showing three ads at the bottom of results instead of two.
What to monitor next
Watch post-spam-update ranking data over the next 7-10 days and look for any Google confirmation of a manual action pattern. Run a Merchant Center feed audit on high-velocity SKUs before the holiday shopping cycle. Track whether self-service Conversion Lift produces comparable results to the rep-led version across the next quarter.
via semrush.com (Original)