Category: Technology | Published: 2026-06-09
The rules of online visibility are being rewritten, and most businesses have not caught up yet.
For the best part of two decades, search engine optimisation came down to a relatively familiar set of signals: build backlinks, grow domain authority, publish quality content, optimise your pages. Get those things right and you had a reasonable chance of appearing when potential customers searched for what you offer.
AI search is changing that calculation in ways that are only now becoming clear. And one of the most striking findings from recent research is that your presence on YouTube may now matter more than almost anything else.
The Study: 75,000 Brands Across Three AI Platforms
SEO platform Ahrefs analysed brand visibility across 75,000 companies, looking specifically at which factors correlated most strongly with appearing in AI-generated responses across ChatGPT, Google AI Mode and Google AI Overviews.
The results were not what most SEO professionals would have predicted. The strongest predictor of AI visibility was not backlinks, domain authority, page count or any traditional on-site signal. It was mentions of the brand on YouTube, including appearances in video titles, transcripts and descriptions.
The correlation figures tell the story clearly. Branded web mentions scored 0.664 against AI visibility. Backlinks scored 0.218. That is not a marginal difference. It suggests that AI systems are drawing on a fundamentally different set of signals than the ones SEO has traditionally focused on.
Why YouTube Specifically
It is worth asking why YouTube in particular carries so much weight, rather than simply brand mentions across the web broadly.
The answer likely comes down to two things. First, YouTube video transcripts have become one of the richest sources of natural, conversational text on the internet. Large language models learn from publicly available content, and transcripts provide exactly the kind of context-rich, topic-specific discussion that AI systems use to understand what a brand does and why it matters.
Second, Google owns YouTube and regularly cites YouTube content directly within its AI-generated responses. That creates a feedback loop: YouTube content feeds into how AI models understand brands, and Google's own AI systems actively surface that content when generating answers. A brand that is discussed substantively on YouTube is, in effect, being endorsed by one of the most trusted sources in Google's own ecosystem.
As Ahrefs put it: your brand's presence across the web, not just your own website, is what AI systems draw on when deciding whether to mention you.
AI Overviews Are Now Everywhere
The scale of this shift matters. Google AI Overviews now appear on approximately 48 per cent of all Google search queries, up from 34.5 per cent in December 2025. That is a 58 per cent increase in just three months, and the platform now serves more than two billion monthly users.
Each AI Overview response draws on an average of 13 sources. The composition of those sources has also changed significantly: the overlap between AI Overview citations and the traditional organic top-ten results has fallen from around 76 per cent in mid-2025 to somewhere between 17 and 54 per cent in early 2026. In plain terms, ranking at the top of a search results page no longer reliably earns you a mention in the AI-generated answer that appears above it.
For businesses, that is a material change. If the AI Overview is where users are getting their answers, and your brand is not cited within it, your page ranking may be delivering less value than it once did.
The Citation Value Shift
The flip side of this is striking. Research from Seer Interactive found that organic click-through rates drop 61 per cent for queries that trigger an AI Overview, as users get their answer without clicking through. However, websites that are actually cited inside an AI Overview receive 35 per cent more organic clicks than they would from a standard number-one ranking.
Being cited is now worth more than ranking first. The objective has shifted from winning a position on a results page to being selected as a trusted source within a synthesised answer.
AI-referred visitors are also higher quality. Data from 2025 suggests they convert at rates 42 per cent higher than typical organic visitors and spend significantly longer on site. Adobe's research tracked a more than tenfold increase in web traffic from AI-driven referrals in the United States between July 2024 and February 2025.
Mentions Matter More Than Links
One of the more counterintuitive findings from the Ahrefs study is the relative weakness of backlinks as a signal for AI visibility. Backlinks have been central to SEO for so long that many practitioners treat them as foundational. The research suggests AI systems are less impressed.
Unlinked brand mentions, branded anchor text and branded search volume all outperformed traditional link-based metrics. The implication is that AI systems are asking a different question than search engines historically have. Rather than asking which websites have the most authoritative links pointing to them, they appear to be asking which brands are being genuinely discussed across the widest range of contexts.
A review on an industry platform, a mention in a podcast transcript, a discussion in a video, a reference in a news article, a recommendation in a forum: these are the kinds of third-party signals that appear to carry increasing weight.
More Content Is Not the Answer
One tempting response to this research would be to ramp up content production. That instinct is probably misplaced.
Ahrefs found only a weak relationship between the volume of content a business publishes on its own website and its visibility in AI-generated responses. Publishing more pages does not appear to materially improve the likelihood of being cited. What matters is discussion elsewhere, and that is something that cannot simply be manufactured through higher output.
This reframes the challenge from a content production problem into something closer to a reputation and awareness problem. The businesses that appear most often in AI answers are the ones that have earned genuine recognition across a wide range of external sources, not necessarily the ones with the largest content libraries.
What Businesses Should Think About
For organisations trying to improve their visibility in an AI-dominated search environment, the research points in a few clear directions.
YouTube is worth taking seriously. A YouTube presence, whether through your own channel, guest appearances on relevant channels, or being discussed by creators in your sector, gives AI systems substantive, indexed content in which your brand appears. Even transcripts of video interviews or webinars where your business is mentioned can contribute.
Third-party coverage matters more than owned content. Press mentions, podcast appearances, industry awards, customer reviews, analyst commentary and partner endorsements all generate the kind of external signals that the research suggests AI systems weight heavily.
Branded search volume is a useful indicator. The more people actively search for your business by name, the stronger that signal becomes within AI ranking systems. That points back to brand awareness as a genuine SEO objective, not just a marketing nicety.
If you are thinking about how AI tools fit into your broader business strategy, including how to ensure your business is well represented in the AI-powered environments where your customers are increasingly looking for information, our AI Consultancy page is a useful starting point.
The Bigger Shift
The Ahrefs research is a useful data point in a much broader transition. AI search is not simply a faster version of traditional search. It operates on different signals, surfaces information in a different format, and rewards different kinds of brand presence.
YouTube and other external platforms are becoming part of your SEO strategy whether you think of them that way or not. The businesses that recognise this shift early, and adjust how they think about visibility accordingly, are the ones that will find themselves cited rather than overlooked as AI search continues to expand.