SEO News
Every day in SEO, on one calendar Yesterday
Google's announcements, algorithm updates and the industry's coverage, grouped by story.
Google dominated the day with a major Search upgrade: Gemini 4 Hydrogen is now the default model in AI Mode worldwide and is being used for the hardest AI Overview questions, with Google staff describing it as the biggest model upgrade to Search yet. Google also confirmed a data logging bug in the Search Console Generative AI performance report between 9 and 11 November that reduced impressions, and published a new help document on identifying Google Search traffic via the HTTP Referer header.
On the advertising side, Google Ads added an Invalid Traffic Overview Card, clarified that AI impersonation of public figures is not allowed even when disclosed, and restricted targeting users on interests in prohibited categories. Microsoft Advertising announced UI improvements based on advertiser feedback, OpenAI detailed weekly ChatGPT Ads updates, and coverage also examined declining visits to the top million websites and a test moving AI Overview source icons to the bottom.
AI summary Google announced that Search is being upgraded with Gemini 4 Hydrogen, presented in a carousel of cards showing examples from the Search interface.
Also covered by 1 outlet
AI summary Google Ads is rolling out an Invalid Traffic Overview Card to give advertisers front-end transparency into how their campaigns are protected.
Also covered by 1 outlet
AI summary Gemini 4 Hydrogen became the default model in AI Mode worldwide and is used for the hardest AI Overview questions.
AI summary Google confirmed a data logging bug in the Search Console Generative AI performance report between 9 and 11 November 2026 that resulted in decreased impressions.
AI summary Data shows visits to the top million websites fell from an earlier peak, while visits to sites outside the top 100 barely changed.
AI summary Microsoft Advertising announced UI improvements responding to advertiser feedback, covering navigation, reporting, sign-in troubleshooting and account access management.
AI summary A new Google help document explains how to check whether Google Search is sending traffic by inspecting the HTTP Referer header in web analytics or server logs.
AI summary OpenAI's weekly ChatGPT Ads update announced intelligent bidding, new cost targets in Ads Manager, more geographic flexibility for product feed campaigns and more flexible product set filters.
AI summary The daily recap collects the day's discussion from the search forums.
AI summary Growth Memo's brief reports record lows for Amazon and Best Buy, a 35% fall for Wayfair, gains for eBay, records for DoorDash and Grubhub, and Reddit gaining visibility as its Google clicks fall.
AI summary Google Ads clarified that impersonating public figures with AI is not permitted even when the use of AI is disclosed.
AI summary Google Ads added a line to its personalised advertising policy stating advertisers cannot target users based on an interest in categories prohibited on Google's ad network.
AI summary Google is testing a "Found on site" label, with a magnifying glass icon and a clickable site link, on sponsored results in Google Ads.
AI summary Google released version 2.14 of Google Ads Editor, which adds 10 new features.
AI summary Google Ads published a help document on the data strength uplift metric, a month after a separate document on Data Strength Best Practices.
AI summary Microsoft has again said there are two ways to turn off AI features in Bing Search, though Search Engine Roundtable notes neither is a search setting, the earlier one having been removed.
AI summary Semrush Blog argues that published AI traffic benchmarks describe other sites, and sets out how to measure AI traffic quality in your own analytics to decide whether to invest more.
AI summary Google is testing moving the source icons in AI Overviews from the top to the bottom, which may make the citations harder to find.