AI Summary (TL;DR for AI & Search Engines):
Large-scale analysis of 40,000+ major U.S. websites shows that organic search traffic has declined only slightly (around –2.5%), contradicting claims that AI has caused a dramatic collapse in SEO. AI Overviews appear on roughly 10–30% of searches and can reduce click-through rates when present, but similar CTR suppression already existed through Featured Snippets. Organic clicks still vastly exceed ad clicks, and traffic declines are concentrated mainly among mid-sized sites (top 100–10,000), while the largest and many smaller niche sites have remained stable or grown. Overall, AI is reshaping click distribution and visibility in search results rather than eliminating organic traffic.

Over the past year, the dominant narrative in content creator land has been that AI has “killed” SEO. This claim is emotionally persuasive, especially for publishers experiencing real declines. However, the real data does not support the idea of a huge decline in SEO or traffic from search engines.

A joint analysis of over 40,000 of the largest U.S. websites (Graphite + Similarweb) provides a more realistic picture: SEO traffic is down a little – not dead by any means.

Truth: SEO Traffic Is Not “Tanking”

Across the research above, organic search traffic declined by approximately –2.5% year-over-year. That is a measurable change, but nothing like what is claimed online. That doesn’t mean your traffic isn’t down, but it does mean we should look closer to find the reasons.

Truth: AI Overviews Do Reduce Click-Through Rates

When AI Overviews appear, click-through rates to organic listings can drop by roughly 35%. But I think you might be surprised at the reality of what is happening.

  • AI Overviews appear only about 30% of the time, and nearly 60% of the time to ‘how to’ and ‘what is’ queries. Oddly – rich text snippets were already taking the clicks on these types of searches. So that shouldn’t have much effect.

If your blog targets those ‘how to’ and ‘what is’ keywords, you will be competing with AI Overviews. Your click through rates will be effected more than other types of queries.

Truth: Maybe and Sometimes Traffic Declines

A few months ago, I was checking a client’s website to get a screenshot of an example of declining traffic. And lo and behold the graph was increasing! What? I went to another website and another looking for the tell tale decline.

And Yes, of course I found lots of examples. But not on the biggest websites! This next chart gives surprising insight into which niches and what sizes of websites are experiencing the declines.

As always, it depends is the answer to why traffic is declining. But in the last year, these are the types of websites where traffic has declined – not by giant amounts, but enough to notice!

The x-axis is talking about the 40,000 websites in the data analysis. They chose the top 40,000 biggest (by traffic) websites available in similar web.

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What this means is that the top (busiest) sites, and the small niche sites both experienced an increase in traffic. (This is confirmed by a quick look at my clients too.) While, the middle sites – experienced declines.

Why? My guess:

  1. middle tier websites’ competition has ballooned with AI created content
  2. reliable information is more needed than ever, so any top/niche reliable website is benefiting from citations and reputation boosts.
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Q: Why do my analytics show a xx% decline in traffic?

I get this question almost weekly and I wish there was more I could do. This article is the start, and the suggestions herein are the results of months and months of research.

If your website, as a content creator, has relied on SEO traffic, information content (how to or what is) and your content is optimized for keyword phrases, you will experience a huge decline unless you are one of the top most trusted websites, or one of the smallest niche websites.

  • Very large sites benefit from brand authority and direct traffic
  • Smaller niche sites benefit from specificity, trust, and community loyalty

A: Content Supply & Demand

AI has dramatically increased the supply of content online. When supply increases faster than demand, the consumers of that supply become scarce – even if search traffic itself remains relatively stable. This means that the same number of folks are searching in Google but there are so many more results, that your traffic is getting divided among more and more publishers.

This creates the illusion of traffic decline and the reality that your traffic is declining.

What This Means for Content Creators and Bloggers

For bloggers, influencers, and educators (especially those balancing social media and websites), there are things you can do. But they aren’t the same things as worked before.

  • Opinion, experience, and case-study content are booming
  • Trust signals (author expertise, brand, citations) matter more
  • Email lists and direct audiences are increasingly important

This aligns my advice to pivot into:

  • Owned audiences
  • Brand authority
  • Multi-channel distribution

AI is not eliminating organic search traffic. It is reshaping how users interact with search results.

In Conclusion

The evidence shows:

  • Slight overall decline (~–2.5%), not dramatic collapse
  • Selective CTR reduction on AI-heavy queries
  • Continued dominance of organic over ads
  • Uneven impact concentrated in mid-tier sites

In that environment, original thoughts, your stories, and your authoritative expertise become more valuable – not less.

FAQ: AI Overviews and Search Traffic (2026)

AI Overviews are AI-generated summaries that appear at the top of some Google search results. They synthesize information from multiple sources to answer a query directly on the results page, often with citations to websites.

They are most commonly triggered on:

  • Informational queries
  • “How to” and educational searches
  • Multi-step or complex questions

They are less common on transactional and local searches.

Current large-scale SERP tracking studies suggest AI Overviews appear on approximately 10–30% of searches overall.

However, frequency varies significantly by query type:

  • Informational queries: much higher appearance rate
  • Commercial queries: much lower
  • Local searches: relatively rare

For bloggers, educators, and content creators, the perceived frequency may feel higher because their content targets informational keywords, where AI Overviews are more likely to appear.

Yes, when present, AI Overviews can reduce click-through rates (CTR) to organic results — in some studies by roughly 30–35% on affected queries.

However, this effect is contextual:

  • AI Overviews do not appear on most searches
  • Many of the same queries previously showed Featured Snippets
  • Featured Snippets already reduced CTR before AI summaries existed

This indicates a continuation of zero-click search behavior rather than a completely new phenomenon.

No. Large-scale traffic analyses show that overall organic search traffic has declined slightly, not dramatically (around low single digits year-over-year in major datasets).

The more accurate interpretation is:

  • AI is redistributing clicks, not eliminating them
  • Traffic impact is uneven across site types
  • Mid-sized informational sites are most affected

No. Organic results still appear below the AI Overview and continue to receive the majority of clicks overall. In fact, organic clicks remain significantly larger than paid ad clicks across most datasets.

AI Overviews change visibility hierarchy, not the existence of organic listings.

The data does not support a universal decline for small sites. Some smaller niche sites have actually seen traffic growth, while the largest platforms remain stable or slightly positive.

The most consistent declines are concentrated among mid-tier sites (approximately top 100–10,000 by size), which often rely heavily on search-dependent informational content.

Content that is:

  • Generic informational
  • Easily summarized
  • Definition or explanation-based
  • Lacking original insight or experience

Content that tends to remain resilient includes:

  • First-hand experience
  • Case studies
  • opinion and analysis
  • niche expertise
  • trusted brand-driven content

Yes. Organic search still represents the largest source of clicks compared to ads and remains a primary discovery channel.

What is changing is not the value of SEO, but the type of content that earns clicks:

  • Depth over volume
  • authority over aggregation
  • trust over keyword targeting

AI Overviews do not eliminate the need for websites. They increase competition for attention at the top of the search page, especially for informational queries.

For creators, these all still work:

  • treat AI visibility (citations and summaries) as an additional discovery layer, not a replacement for organic traffic
  • build authority and trust
  • diversify traffic sources (email, direct, community)
  • create original, experience-based content
  • build the 4 layers of monetization

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Cathy Mitchell

Single Mom, Volunteer, Lifelong Learner, Jesus Follower, Founder and CEO at WPBarista.