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AI RESEARCH

AEO vs SEO: What You Need to Know for 2026

Your content can rank #1 and still be invisible in ChatGPT, Perplexity, and Google's AI Overviews. That gap is AEO - and ignoring it is getting expensive.

By Ulka Wilson | December 2, 2025 | 12 min read

SEO + AEO = Complete Search Visibility in 2026

69% of Google searches now end without a click. AI Overviews appear in 13%+ of queries. The businesses that thrive will optimize for both traditional search and AI-generated answers.

Analysts estimate hundreds of millions of people now use OpenAI products weekly. Google's AI Overviews appear in 13.14% of search queries according to Semrush data from March 2025 - up from 6.49% in January. Perplexity reports serving millions of users and queries daily. For business owners who spent years mastering SEO, this creates an uncomfortable question: What happens when the answer appears before anyone clicks through to your site?

We're building a tool to check if your content is optimized for AI search. Get early access below.

Key Numbers: Similarweb data from July 2025 shows 69% of Google searches now end without a click (up from 56% in May 2024). Semrush reports AI Overviews appear in 13%+ of queries - doubled since January. One 2025 analysis found Position #1 CTR falls from 7.3% to 2.6% when AI Overviews appear - about a 47% drop. In another recent study, only 11% of domains were cited by both ChatGPT AND Perplexity.

The Search Landscape Shifted

The short answer to "what changed" is this: You need both SEO and AEO. The longer answer requires understanding what actually happened - and what the data tells us about where traffic is going.

SEO optimizes for rankings. AEO optimizes for citations. That sounds simple, but the implications run deep. Your content can rank #1 in Google and be completely invisible to AI systems that generate answers instead of links.

"In one 2025 analysis, only 11% of domains were cited by both ChatGPT AND Perplexity. Optimizing for one AI platform doesn't automatically get you visibility in others."

The Numbers Behind the Shift

Zero-Click Searches Have Accelerated

According to Similarweb data comparing May 2024 to July 2025, 69% of Google searches now end without a click to any website. That's up from 56% just over a year earlier - a 13 percentage point jump driven by AI Overviews, featured snippets, and knowledge panels.

Where are those clicks going? Nowhere. Users get their answers directly from AI-generated summaries. The search engine became the destination.

AI Overviews Impact on Click-Through Rates

One 2025 analysis found that when AI Overviews appear, the CTR for organic Position #1 drops from 7.3% to 2.6% - about a 47% decline in traffic for the same ranking. Your SEO might be working perfectly while your traffic tanks.

2024-2025 AI Search Timeline

May 2024
Google AI Overviews Launch

Public rollout in US market. Initial appearance rate approximately 5% of queries.

Oct 2024
ChatGPT Search Launches

OpenAI introduces web search capabilities directly in ChatGPT.

Jan 2025
AI Overviews at 6.49%

Semrush baseline measurement shows steady growth in AI Overview triggers.

Mar 2025
AI Overviews Double to 13.14%

Semrush data shows approximately 100% growth in AI Overview appearance rate.

Jul 2025
Zero-Click Reaches 69%

Similarweb reports highest zero-click rate recorded to date.

What's the Actual Difference Between SEO and AEO?

Factor SEO AEO
Goal Rank high in search results Get cited in AI-generated answers
Success Metric Rankings, organic traffic, CTR Citation frequency, brand mentions, answer inclusion
Content Format Long-form, keyword-optimized Direct answers, structured data, clear facts
Technical Priority Page speed, mobile, Core Web Vitals Schema markup, structured data, machine readability
Authority Signals Backlinks, domain authority E-E-A-T, citation footprint, topical coverage
Platform Focus Google (primarily) ChatGPT, Perplexity, Google AI, Claude, Gemini

What This Means for Your Business

Traditional Metrics Are Unreliable

If you're tracking organic traffic as your primary success metric, you may be optimizing for a shrinking pie. Position #1 doesn't mean what it used to when 69% of searchers never click anything.

User-Generated Content Is Winning

Reddit's organic traffic grew over 250% between July 2023 and July 2024 according to third-party analyses. AI systems favor authentic user discussions and specific experiences over polished marketing content.

Platform Fragmentation Is Real

Low citation overlap between AI platforms means you need separate tracking for each. Content that works for one may not work for others.

E-E-A-T Matters More Than Ever

AI systems are designed to cite reliable sources. Real expertise - clear author credentials, specific experience, verifiable claims - becomes a competitive advantage.

Some enterprise publishers - including HubSpot - have reportedly seen severe organic declines, with third-party analysts estimating drops of 70% or more following the rollout of AI Overviews. If they're vulnerable, most businesses are too.

The 2026 Hybrid Strategy

Gartner predicts traditional search engine volume will drop about 25% by 2026 as users move to AI chatbots and virtual agents. That's not an SEO apocalypse - it's a channel diversification. Smart businesses will optimize for both.

AEO Priorities for 2026

  1. Implement comprehensive schema markup: Product, FAQ, HowTo, Article schemas tell AI systems exactly what your content contains and how to cite it
  2. Structure content for direct answers: Lead with clear, factual responses to specific questions, then expand with supporting detail
  3. Build topical authority: AI systems favor sources that demonstrate comprehensive knowledge across related topics, not one-off pages
  4. Strengthen E-E-A-T signals: Clear author bios with credentials, specific experience examples, citations to primary sources
  5. Track citation footprint: Monitor where your brand appears in AI responses across platforms, not just traditional rankings
  6. Optimize for voice queries: Industry forecasts estimate voice commerce could reach around $80 billion by the mid-2020s - conversational content structure matters
  7. Showcase authentic experiences: Customer stories, specific use cases, and real problem-solving discussions outperform generic marketing claims

What Not to Abandon

Traditional SEO isn't dead. 31% of searches still result in clicks. Branded searches still drive direct traffic. Local SEO still connects physical businesses with nearby customers. The goal isn't replacement - it's addition.

The Bottom Line: The businesses that thrive in 2026 won't be the ones who picked SEO or AEO. They'll be the ones who understood that search behavior is fragmenting across multiple AI platforms - and built visibility strategies for each.

Ulka Wilson

Ulka Wilson

Ulka runs Ulka Rocks, a 7-figure luxury jewelry business she operates solo using AI automation systems. She recently launched AutomationEdit.AI with her son Sloan to share the exact workflows that make this possible. This research reflects real-world testing across all three major AI platforms and ongoing monitoring of how search behavior is changing for product-based businesses.

Is Your Content AI-Search Ready?

We're building a tool that analyzes your content and shows exactly what AI search systems see - and what's missing. Based on what's actually working for our 7-figure jewelry business, not theory.

Frequently Asked Questions

What is AEO (Answer Engine Optimization)?

AEO is the practice of optimizing content to be cited by AI systems like ChatGPT, Perplexity, and Google's AI Overviews. Unlike SEO which focuses on ranking in search results, AEO focuses on being selected as a source when AI generates answers.

Is SEO dead in 2026?

No. SEO and AEO work together. SEO still drives organic traffic from traditional search results, while AEO captures visibility in AI-generated answers. The smartest strategy combines both approaches. 31% of searches still result in clicks.

How do I optimize for ChatGPT and Perplexity?

Focus on clear, factual content with strong E-E-A-T signals. Use structured data and schema markup. Answer questions directly in the first 40-60 words. Build topical authority through comprehensive content clusters. Track your citation footprint across platforms.

What percentage of searches are zero-click in 2025?

According to Similarweb data comparing May 2024 to July 2025, 69% of Google searches now end without a click to any website, up from 56% just over a year earlier. This is driven primarily by AI Overviews, featured snippets, and knowledge panels answering queries directly.