Since December 2025, Google has been quietly rolling out a feature that flips the usual SEO script: instead of an algorithm deciding whose content readers see more of, readers decide for themselves. It’s called Preferred Sources, and by August 2026 it had grown from a regional test into a signal that touches Top Stories, AI Overviews, and AI Mode, with more than 600,000 unique sites already selected.
For marketing teams asking whether this is “an SEO thing or a GEO thing,” the honest answer is both, and neither in the traditional sense. Here’s what it actually is, how it works, and what to do about it.
Quick answer: Google Preferred Sources lets individual users mark specific websites as sources they want to see more often in Top Stories, AI Overviews, and AI Mode. It’s not a ranking factor that affects everyone’s results, it’s a personalized signal that only benefits a site once a specific reader has chosen it. Google reports readers click through to a preferred site roughly twice as often, and more than 600,000 unique sites had been selected as of August 20, 2026. Publishers can add a button or deep link to make selection easy for their audience.
What Are Google Preferred Sources, Exactly?
Preferred Sources is a tool at google.com/preferences/source where users browse and select publications and websites they trust. Once selected, Google gives that site’s content a visibility boost specifically for that user, including a “preferred” badge in Top Stories results. Google documents the full mechanics in its Preferred Sources guide for publishers.
From Top Stories to AI Overviews
| Date | Milestone |
|---|---|
| December 10, 2025 | Global rollout of Preferred Sources for Top Stories, roughly 90,000 unique sources selected |
| May 27, 2026 | Expanded into AI Overviews and AI Mode, 345,000+ unique sources selected |
| August 20, 2026 | More than 600,000 unique sources selected, current reported figure |
The May 2026 expansion is the one that matters most for content strategy: a preferred-source badge can now appear directly inside AI-generated answers, not just traditional news modules, putting a real, clickable citation in front of users who already trust that source, inside an AI Overview.
Is This an SEO Signal or a GEO Signal?
Neither, exactly, and that’s what makes it worth understanding on its own terms.
| What it is | What it isn’t |
|---|---|
| A personalized visibility boost for users who’ve already chosen you | A universal ranking factor that improves your position for everyone |
| A retention and loyalty lever | A replacement for earning citations, backlinks, or E-E-A-T |
| Something readers control | Something you can buy, game, or automate |
Put simply: Preferred Sources rewards brand loyalty you’ve already earned. It doesn’t create it.
How to Add the Preferred Source Button to Your Website
Google’s official Preferred Sources guide for publishers outlines three implementation options:
- Standard JavaScript button (Google’s recommended option): a two-line HTML snippet that renders an auto-localized “Add as preferred source” button.
- Advanced JavaScript integration: for teams that want programmatic control over button styling and placement.
- Direct deep link: a plain URL (google.com/preferences/source?q=yourdomain.com) for sites on CMS platforms that can’t easily embed a script.
One eligibility detail worth knowing: only domain- and subdomain-level sites qualify. A homepage or a subdomain like blog.yoursite.com is eligible; a subdirectory like yoursite.com/blog is not.
Where to Actually Put the Button
Google reports the deep link converts best when it isn’t buried on a homepage. The strongest placements are the ones your most engaged readers already reach: the end of a strong, high-performing article, an email newsletter footer, and author bio sections, anywhere someone has just finished reading something valuable enough to want more of it.
Frequently Asked Questions
A Google Search feature that lets users select specific websites they want to see more often in Top Stories, AI Overviews, and AI Mode results.
No. It’s a personalized signal that only affects results for the specific users who’ve selected your site, it isn’t a universal ranking factor for the broader audience.
Use Google’s official guide to embed a standard JavaScript button, build a custom button with advanced JavaScript, or link directly to google.com/preferences/source?q=yourdomain.com.
Only domain-level and subdomain-level sites qualify. A homepage or subdomain works, but a subdirectory like yoursite.com/blog does not.
Neither in the traditional sense. It’s a loyalty-driven visibility lever controlled entirely by individual readers, sitting alongside both SEO and GEO rather than replacing either.
More than 600,000 unique sites had been selected as of August 20, 2026, up from around 90,000 at the feature’s global rollout in December 2025.
Turn Your Best Readers Into a Visibility Asset
Preferred Sources rewards the audience loyalty you’ve already built, but only if you make it easy for readers to act on it. If you want help auditing your site’s citation strategy and turning engaged readers into a real AI-visibility advantage, get a free website analysis or talk to our team.
Related Reading
- How to Optimise Your Website for ChatGPT: The Complete 2026 Guide
- How to Rank in Google AI Overviews: The Complete 2026 Optimisation Guide
- Is SEO Dead in 2026? What the Data Actually Says
Riya Bhardwaj
Lead Marketing Strategist
Leading content and growth initiatives with a focus on search visibility, audience engagement, and measurable business outcomes. Specialised in SEO, Generative Engine Optimization (GEO), AI search optimisation, and performance-driven content marketing. Passionate about transforming market insights into scalable content strategies that strengthen brand authority and drive sustainable digital growth.