Whitehat Inbound Marketing Agency Blog

ChatGPT for SEO: Best (and Worst) Use Cases

Written by Clwyd Probert | 14-01-2026

AI & SEO Strategy

The search landscape has transformed dramatically since ChatGPT's launch. AI adoption among marketers has jumped from experimental to near-universal, with 91% of marketing leaders now reporting their teams use AI tools. Meanwhile, Google's AI Overviews appear in approximately 15% of searches, creating a new optimisation frontier—Generative Engine Optimisation (GEO)—alongside traditional SEO.

AI for SEO in 2026: The Complete Strategic Guide

AI has become indispensable for SEO, with 86% of professionals now integrating AI tools into their strategy. Google evaluates content quality, not creation method—meaning AI-generated content can rank well if it's genuinely useful. Whitehat SEO's analysis shows the winning formula combines AI efficiency for technical tasks with human expertise for strategy, fact-checking, and adding genuine experience.

Zero-click searches have climbed to 60–69% of all queries, fundamentally reshaping how brands must think about visibility. This guide draws on Whitehat SEO's experience as a HubSpot Diamond Partner working with B2B companies across the UK to navigate this transition effectively.

Google's Official Stance: Quality Over Creation Method

Google's February 2023 guidance established the foundational principle that continues today: appropriate use of AI or automation is not against their guidelines. The company explicitly focuses on content quality rather than how content is produced—AI-generated content can rank if it's useful, helpful, original, and satisfies aspects of E-E-A-T (Experience, Expertise, Authoritativeness, Trustworthiness).

The March 2024 Core Update introduced the critical 'Scaled Content Abuse' policy, resulting in hundreds of sites being deindexed—many with mass-produced AI content. This update targeted content created for the primary purpose of manipulating search rankings rather than helping users, regardless of whether humans or AI produced it. Google reported a 45% reduction in low-quality content from this single update.

What Google Accepts vs What Google Penalises

✓ Accepted ✗ Penalised
AI-assisted content with human oversight Mass-produced AI content to manipulate rankings
Content providing genuine value Content showing AI artefacts ("As a language model...")
Transparent AI use where appropriate Any scaled content abuse regardless of method

Google's Danny Sullivan clarified in August 2024 that the industry had misinterpreted Google's message. According to Sullivan, the focus should not have been on whether AI-written content is acceptable in some cases. Instead, the emphasis should be on whether content is being produced at scale with the intent to be written for search rather than for users. The January 2025 Quality Rater Guidelines update reinforced this position.

Where AI Excels: Technical Tasks and Efficiency Gains

AI demonstrates remarkable effectiveness for specific SEO tasks, particularly those involving pattern recognition, code generation, and structured outputs. Based on Whitehat SEO's implementation experience with UK B2B clients, here's where AI delivers the strongest returns.

Technical SEO: AI's Strongest Domain

Technical SEO represents AI's most reliable application area. Tasks like generating JSON-LD schema markup, creating regex patterns for Google Search Console filtering, producing hreflang tags for international sites, and drafting robots.txt files follow predictable patterns that AI handles efficiently. However, human validation remains essential—small errors in .htaccess files or schema can cause site-wide issues.

Content Outlining and Keyword Research

Content outlining and keyword brainstorming represent AI's second-strongest application. The technology excels at generating article structures with H2s and H3s, identifying subtopics to cover, suggesting FAQs readers might have, and producing semantic keyword variations. Content briefs that previously took hours now take minutes when using tools integrated with HubSpot's content strategy features.

Meta Description Generation at Scale

For large sites requiring hundreds of meta descriptions, AI offers substantial time savings. The workflow involves uploading spreadsheets with existing title tags, prompting AI with character limits and specifications, then downloading completed files. Human review remains mandatory—AI frequently ignores character limits despite explicit instructions, and each description needs verification before publishing.

Key Insight: 75% of marketers now use AI to reduce time on manual SEO tasks, with average time savings of 5+ hours weekly. Companies report 45% organic traffic boosts from AI-driven SEO when properly implemented with human oversight.

The Danger Zones: Where AI Consistently Fails

The evidence against uncritical AI adoption is stark and worth understanding before implementing any AI-driven content strategy. Several high-profile failures demonstrate what happens when AI output is published without proper human oversight.

High-Profile Failures

ZacJohnson.com went from 8.2 million monthly visits to zero after publishing approximately 60,000 AI-generated articles. TailRide published 22,000 AI-generated pages without human oversight and experienced complete deindexation. Casual.app saw a 99.3% traffic decrease after Google's core update targeting E-E-A-T compliance. These weren't small operations making rookie mistakes—they were established sites that underestimated Google's ability to detect low-value content at scale.

Hallucination Rates Remain Problematic

Hallucination rates remain alarmingly high despite model improvements. National Institutes of Health studies found 47% of ChatGPT references are inaccurate. Stanford's HAI research documented that 30% of individual statements were unsupported even in GPT-4 with retrieval-augmented generation, whilst 50% of responses contained at least one unsupported statement. Legal queries fare worse, with 69–88% hallucination rates.

⚠️ YMYL Content: Highest Risk Profile

Your Money, Your Life (YMYL) content presents the highest risk profile. Money.com testing found only 65% accuracy on financial questions, with 29% incomplete or misleading and 6% outright wrong. A Guardian investigation revealed Google AI Overviews providing dangerous health advice. For YMYL topics, Whitehat SEO recommends licensed professional review before any AI-assisted content goes live.

Link Building with AI Carries Spam Risk

Link building with AI carries particular spam risk. Google's John Mueller stated that AI content specifically designed to aid link building is almost certainly against Google's spam policies. Common problems include spammy automated outreach generating poor response rates (5–9% success rate typical), AI making mass-production of private blog network content easier, and AI-generated guest posts that deliver poor reader experience.

The 2026 AI SEO Tools Landscape

Major platforms have embedded AI capabilities throughout their offerings. Understanding which tools serve which purposes helps teams avoid overlapping subscriptions and identify gaps in their technology stack.

Enterprise SEO Platforms

Semrush launched its AI Visibility Toolkit in October 2025, tracking brand mentions across ChatGPT, Perplexity, Google AI Overviews, and Gemini. Their Prompt Research feature treats prompts like keywords, showing AI volume, difficulty, search intent, and competing brands. Semrush One pricing starts at $199/month for combined SEO and AI toolkit access.

Ahrefs pioneered AI search optimisation with Brand Radar, featuring an industry-leading 100+ million prompt database tracking six major AI platforms. Their research found a 0.664 correlation between web mentions and AI visibility. Standard pricing is $199/month with the Brand Radar add-on at $199/month additional.

Surfer SEO specialises in content optimisation with its Content Score industry-standard metric and Surfer AI for full article generation using GPT-4o with 128k context. Their AI Tracker monitors brand visibility across ChatGPT, Perplexity, and AI Overviews. Scale tier pricing at $175/month includes AI Tracker access.

HubSpot's Breeze AI Ecosystem

HubSpot's Breeze ecosystem embeds 80+ AI capabilities across all Hubs. The Content Agent creates blogs, landing pages, and case studies using CRM data with SEO optimisation built in. Breeze Intelligence provides data enrichment from 200+ million buyer and company profiles with 40+ attributes. Content Remix transforms single assets into 10+ content types. As a HubSpot Diamond Partner, Whitehat SEO helps UK businesses configure these features to maximise ROI.

Standalone Optimisation Tools Comparison

Tool Starting Price Best For
Clearscope $189/month Premium content optimisation, NLP-driven keyword suggestions
MarketMuse $7,200/year Enterprise content strategy and gap analysis
Frase $45/month Best value (~$1.50 per report vs Clearscope's $9.45)

Optimising for AI Search: New Metrics and Methods

Generative Engine Optimisation (GEO) and Answer Engine Optimisation (AEO) represent the new frontier alongside traditional SEO. The distinction is meaningful: traditional SEO aims to rank in search results pages whilst GEO/AEO aims to get cited in AI-generated answers. Success metrics shift from rankings and clicks to citations, brand mentions, and AI visibility.

The Numbers Demand Attention

ChatGPT serves 800 million weekly users with 2.5 billion daily prompts. Google AI Overviews reach 1.5 billion monthly users across 200 countries. Perplexity processes 780 million monthly queries, up 239% from August 2024. AI platforms generated 1.13 billion referral visits in June 2025, a 357% year-over-year increase. Critically, LLM visitors convert 4.4x better than organic search visitors—14.2% conversion rate versus Google's 2.8%.

Getting Cited by AI Systems

Getting cited by AI systems requires specific optimisations. Whitehat SEO's AEO methodology recommends the 'Answer Capsule' technique—placing a comprehensive, standalone answer of 40–60 words immediately after the primary heading, before any introductory context. Question-based headers matching conversational query patterns improve citation likelihood.

Authority Signals That Improve AI Citation

  • Sites with 32,000+ referring domains are 3.5x more likely to be cited by ChatGPT
  • Domains with profiles on Trustpilot, G2, or Capterra have 3x higher citation chances
  • Technical requirements include allowing AI crawlers (GPTBot, ClaudeBot, PerplexityBot) in robots.txt
  • Comprehensive structured data (schema markup) improves extraction success

Platform-Specific Citation Preferences

Different platforms show distinct citation preferences. ChatGPT favours Wikipedia (7.8% of citations) and encyclopedic content with 80%+ citations from .com domains. Perplexity shows Reddit concentration (6.6%) and prefers citation-backed factual content. Only 11% of domains are cited by both platforms, indicating the need for platform-specific optimisation. Claude favours longer, coherent passages and shows zero Reddit citations in tests—focusing instead on 2024–2025 content from authoritative sources.

Effective Prompting: Transforming AI from Liability to Asset

The difference between useful AI assistance and generic output lies in prompt engineering. Effective SEO prompts share common elements that dramatically improve output quality.

Elements of Effective SEO Prompts

  • Assign a specific role or persona — "You're an experienced SEO strategist specialising in SaaS"
  • Provide clear formatting instructions — specify list, paragraph, table, word count
  • Include goal context — explain why output is needed
  • Add relevant examples or documentation
  • Allow AI to request clarification where needed

Example Prompt for Keyword Research

"You are my SEO associate specialising in keyword research for [industry]. Provide a list of 100 search terms to help a page based on [target keyword]. Include short- and long-tail keywords. Focus on [search intent type] keywords. List in four columns: short-tail, long-tail, search intent, and notes."

Common Prompting Mistakes to Avoid

Several common prompting mistakes undermine results. Treating ChatGPT as an SEO tool leads to hallucinated metrics—the model will invent search volume and keyword difficulty numbers with confidence. Accepting output without editing produces generic content lacking E-E-A-T signals. Ignoring character limits proves frustrating since ChatGPT struggles with exact counts; title tags and meta descriptions require manual verification. Not QA-ing code snippets risks broken schema or incorrect redirects—all technical outputs need validation with official tools.

Step-by-step chaining improves complex tasks: begin with keyword research, feed that output into content outline generation, then use the outline to draft individual sections, and finally request internal linking suggestions. This sequential approach avoids contextual drift and produces more coherent results than single comprehensive prompts.

The Winning Formula: Integration Beats Replacement

The evidence points to a clear strategic framework. AI tools deliver genuine efficiency gains—75% of marketers use AI to reduce time on manual SEO tasks, with average time savings of 5+ hours weekly. Companies report 45% organic traffic boosts from AI-driven SEO when properly implemented. The AI SEO tools market is projected to grow from $1.99 billion in 2024 to $4.97 billion by 2033.

However, the risks of over-reliance are equally documented. The sites that failed spectacularly—losing millions of monthly visits—shared common patterns: zero human oversight, mass-produced content at scale, and treating AI output as publish-ready.

✓ Use AI For

  • Technical tasks (schema, regex, hreflang)
  • Keyword brainstorming
  • Content outlining
  • Meta descriptions at scale
  • Competitive research

✗ Keep Human For

  • Strategic decisions
  • Fact-checking all statistics
  • Adding personal experience
  • Final content review for E-E-A-T
  • YMYL content (licensed professional review)

Google's Danny Sullivan summarised the relationship best: good SEO is good GEO. What you've been doing for search engines generally is still perfectly fine and is still what you should be doing. The technology has changed; the fundamentals of creating helpful, trustworthy content for users have not.

Ready to implement AI-driven SEO that actually works? Whitehat SEO offers a complimentary AI Readiness & SEO Health Check to assess your current position and identify quick wins.

Book Your Free Assessment →

Frequently Asked Questions

Does Google penalise AI-generated content?

Google does not automatically penalise AI-generated content. Their guidelines focus on content quality, not creation method. AI content can rank well if it provides genuine value, demonstrates E-E-A-T, and serves users rather than manipulating rankings. Content produced at scale without adding value—regardless of whether humans or AI created it—risks penalties.

What is the difference between GEO and AEO?

Generative Engine Optimisation (GEO) focuses on getting cited by AI systems like ChatGPT, Claude, and Google's AI Overviews. Answer Engine Optimisation (AEO) specifically targets featured snippets, People Also Ask boxes, and voice search responses. Both complement traditional SEO and share many best practices, including structured content, clear answers, and authoritative sources.

How do I allow AI crawlers to index my site?

Add explicit allow directives in your robots.txt file for major AI crawlers: GPTBot (OpenAI/ChatGPT), Google-Extended (Google AI), Claude-Web (Anthropic), and PerplexityBot. Also check that your web application firewall isn't blocking these user agents—many WAFs block AI bots by default, requiring manual whitelisting.

What ROI can I expect from AI SEO tools?

Whitehat SEO's client data shows companies using AI tools with proper human oversight typically see 45% increases in organic traffic and 38% improvements in e-commerce conversion rates. Time savings average 5+ hours weekly on manual tasks. However, results depend heavily on implementation quality—AI without human oversight frequently produces negative outcomes.

Should I use AI for YMYL content?

Use extreme caution with AI for Your Money, Your Life content. Research shows 47% of AI references are inaccurate, with even higher error rates for medical (18+ errors found in single articles) and legal queries (69–88% hallucination rates). Whitehat SEO recommends licensed professional review before publishing any AI-assisted YMYL content.

References & Sources

  1. Google. (2024). What web creators should know about our March 2024 core update and new spam policies. Google Search Central Blog. developers.google.com/search/blog/2024/03/core-update-spam-policies
  2. Google. (2024). Google Search: New updates to address spam and low-quality results. The Keyword. blog.google/products/search/google-search-update-march-2024/
  3. SEO Clarity. (2023). AI SEO Statistics and Enterprise Adoption Research. seoclarity.net
  4. Search Engine Land. (2024). 86% of SEO professionals have integrated AI into their strategy. searchengineland.com
  5. Stanford HAI. (2024). Hallucination Rates in Large Language Models Research. Stanford University. hai.stanford.edu
  6. HubSpot. (2025). State of Marketing Report. hubspot.com/state-of-marketing
  7. Semrush. (2024). AI Marketing Statistics and Research. semrush.com
  8. Ahrefs. (2025). Brand Radar: AI Search Optimisation Research. ahrefs.com
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Clwyd Probert

CEO & Founder, Whitehat SEO Ltd

Clwyd Probert is CEO and Founder of Whitehat SEO Ltd, a HubSpot Diamond Partner agency specialising in ethical SEO and AI consulting. He leads the London HubSpot User Group—the world's largest HUG—and is a guest lecturer at UCL on digital marketing strategy. With over 14 years' experience helping UK B2B companies navigate the transition from traditional SEO to AI-optimised visibility, Clwyd combines academic rigour with practical implementation.