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How to Adapt Your Existing SEO for AI Answers

99Visibility Research · Updated October 21, 2026 · 9 min read

To optimize SEO for AI, keep what already works: indexing, crawl health and topical content that answers buyer questions. Then add three checks that most SEO programs skip. Confirm each AI search crawler can reach your pages, confirm you are in Bing's index, and make every key fact consistent across your site. Finally, stop AI rank tracking, and stop treating schema as a way to get cited.

How AI answers use the SEO you already do

An AI answer passes through four stages, and your SEO program already touches two of them.

  • Parametric: what the model learned in training, frozen at a knowledge cutoff. Nothing you publish this quarter reaches an answer given without live search.
  • Access: whether a crawler may fetch and store your page. You and your CDN control this.
  • Retrieval: whether your page enters the model's context for a given question. The engine decides, per query.
  • Generation: which retrieved pages the model uses and cites. The model decides.

For Google, SEO and AI visibility share one pipe. Google's AI features documentation says a page must be indexed and eligible to be shown with a snippet to appear as a supporting link in AI Overviews or AI Mode, and that there are no additional technical requirements. If your Google SEO is healthy, you have already passed the Google access gate. The details are in how to get cited in AI Overviews and AI Mode.

Outside Google, the pipe splits. ChatGPT, Perplexity, Claude and Copilot use different crawlers, different indexes and different rules. That is where existing SEO programs leave gaps.

Retrieval is also discretionary. As of October 2026, AI Overviews often do not trigger, and ChatGPT searches the web at the model's discretion. So any single visibility number mixes answers given with and without live search.

Keep, add, drop: your SEO program at a glance

Run your current program through this table before you change anything.

Area Verdict Why
Indexing and crawl health Keep Google's AI features require indexing and snippet eligibility
Topical content that answers buyer questions Keep Topical relevance is the most reproducible factor across the GEO research
Organic rankings Keep, as a rough proxy Ahrefs found 37.9% of URLs cited in AI Overviews also appeared in the top 10 (March 2026)
Server-rendered content Add or verify Most non-Google AI crawlers do not execute JavaScript
Per-bot robots.txt and firewall checks Add Each AI crawler has its own rule, and a firewall can override robots.txt
Bing index health Add Bing's index backs Copilot and behaves separately from Google's
Fact consistency across pages Add A clear, fetchable fact gives an engine a sentence it can quote
AI rank or position tracking Drop Google exposes impressions only for AI features, with no position data
Schema as a citation lever Drop the tactic, keep the markup Ahrefs' matched test found no lift, and a 4.6% drop on AI Overviews
llms.txt, E-E-A-T scores, chunking Drop No engine documents using them as a lever

The pattern is simple. What carries over is classic indexing and relevance work. What you add is mostly about access. What you drop is mostly about measurement and markup.

What to add: per-bot access checks

Your SEO tools check Googlebot. AI search uses other bots, and each one needs its own check.

Read robots.txt bot by bot

OpenAI's crawler documentation says each setting is independent. GPTBot governs training. OAI-SearchBot governs whether you appear in ChatGPT search answers. A blanket AI block often removes search eligibility by accident. A setup that allows search while opting out of training looks like this:

User-agent: OAI-SearchBot
Allow: /

User-agent: PerplexityBot
Allow: /

User-agent: Claude-SearchBot
Allow: /

User-agent: GPTBot
Disallow: /

There is no robots.txt token for AI Overviews or AI Mode. Googlebot rules and the Search Console controls are the levers there.

Test the firewall, not just the file

OpenAI's help centre says eligibility needs both: allow OAI-SearchBot in robots.txt, and confirm your host or CDN accepts traffic from OpenAI's published IP ranges. A bot-management rule that returns a 403 removes you silently while robots.txt says allow. Cloudflare changed its defaults on 15 September 2026 to block Training and Agent crawlers on ad-displaying pages for new domains and free-tier accounts, so some sites lost access without editing anything. The AI Crawler Checker requests a page as each AI crawler and shows which ones your firewall turns away.

Check what loads before JavaScript runs

Vercel's crawler study found that ChatGPT and Claude crawlers fetch JavaScript files but do not execute them, so they cannot read client-side rendered content. Googlebot renders. Most others do not. Fetch your pricing and product pages with JavaScript off. Anything missing from that raw HTML is missing for those crawlers. For the full ChatGPT list, see the technical checklist for ChatGPT search.

What to add: Bing index health and fact consistency

Treat Bing as its own channel

Most SEO teams watch Google and glance at Bing. Microsoft documents Bing's index as the backing store for Copilot and its grounding services, so Bing index health is a separate access question.

Otterly's public test of two AI-generated sites shows how far the indexes can diverge. Google deindexed both sites, Bing kept them, and Microsoft Copilot produced 2,718 of the 3,934 citations Otterly tracked for one site. The same test found Bing ranking produced effectively zero ChatGPT citations, so "get into Bing to get into ChatGPT" is not a reliable route. Being indexed is necessary, not sufficient. Open Bing Webmaster Tools and Google Search Console separately. Healthy numbers in one tell you nothing about the other.

Bing Webmaster Tools also has an AI Performance report that shows grounding queries, the searches the AI actually ran. When our evidence was reviewed in August 2026, it had no API, so export it by hand.

Make every key fact say the same thing

AI platforms get specific facts wrong about specific brands. One fixable cause sits on your own site: the same fact stated differently in different places. Your pricing page says one plan price, an old blog post says another, the footer lists a former office.

List the facts buyers ask about: prices, plan names, locations, founding year, integrations. Find every page that states each one. Make them match, and put each fact in plain text on a page that loads without JavaScript. A specific stated fact gives the engine a sentence it can quote, which is the only positive experimental signal for on-page content. For why plain text beats markup here, see structured data vs plain-text facts.

What you control and what you don't

Be clear with your team about which outcomes your work can move.

In your control:

  • Which bots your robots.txt allows, and whether your firewall agrees
  • Whether load-bearing content is in the HTML before JavaScript runs
  • Whether pages carry noindex, nosnippet, max-snippet:0 or data-nosnippet by accident
  • Whether your facts are consistent and fetchable
  • Whether you are indexed in Google and Bing

Not in your control:

  • What the model learned before its cutoff
  • Whether an engine searches the web for a given question
  • How the engine rewrites the user's question into its own search queries
  • Which retrieved pages the model cites

One thing sits in between. Google's Search Console has a generative AI inclusion control that is on by default and can be inherited from a parent property. Check that nobody opted you out.

The research backs this split. A July 2026 critical survey of 45 GEO studies concluded that already-retrieved content can change its citation, but no reviewed technique shows a stable, cross-platform effect on being discovered. Access work removes blocks. It does not guarantee citations, and nobody can promise them. For more on this boundary, see what you can and can't influence.

An order of work for a team already doing SEO

Work from the gates outward. Each step depends on the one before it.

  1. Confirm Google eligibility. In Search Console, check index coverage for key pages, look for stray noindex or nosnippet, and check the generative AI inclusion control.
  2. Audit robots.txt per bot. Confirm OAI-SearchBot, PerplexityBot, Claude-SearchBot and Meta-WebIndexer are allowed if you want those search surfaces. Decide training bots separately.
  3. Test the firewall. Request key pages as each AI crawler. Fix any 403, challenge page or CAPTCHA.
  4. Diff rendered and raw HTML. Fix pages where prices, product names or headings appear only after JavaScript runs.
  5. Verify Bing. Set up Bing Webmaster Tools if you haven't, check index status, and export the AI Performance report.
  6. Fix fact contradictions. Make prices, plans and company facts identical everywhere, in plain text.
  7. Keep publishing topical content. Answer the questions your buyers actually ask, as you already do for search.
  8. Measure per engine. Track each platform separately, with retrieval state noted, instead of one blended score.

Steps 1 to 4 are usually a week of technical work. If you want them paced across a quarter, use the 30/60/90 day AI visibility plan.

What to drop, and the mistakes that cost teams time

Several popular AI SEO tactics have primary sources against them. Dropping them frees budget for the access work.

  • AI rank tracking. Google's Search Console report for AI features shows impressions only, with no clicks and no position. No ground truth exists to check an AI position number against.
  • Schema as a citation lever. Google says structured data isn't required for generative AI search. Ahrefs tracked 1,885 pages adding schema against matched controls and found AI Overview citations fell 4.6%. FAQ rich results were deprecated in May 2026. Don't rip out existing markup, since Google says it does no harm. Just stop expecting citations from it.
  • llms.txt. Google says Search ignores it, and no other engine documents reading it.
  • E-E-A-T scores and domain authority. Google says E-E-A-T isn't a specific ranking factor, and no engine computes Domain Authority, which is a Moz metric.
  • Chunking and AI-friendly rewrites. Google's AI optimization guide says you don't need to write in a specific way for AI, and there is no ideal page length. C-SEO Bench found most citation-oriented rewrites ineffective or harmful.
  • Allowing GPTBot to get into ChatGPT. GPTBot is training only. Search uses OAI-SearchBot.

Two mistakes deserve a warning of their own. Mass-publishing AI content is one: Otterly's test sites were removed from Google with no manual action in Search Console. Hidden text or prompt injection aimed at AI crawlers is the other. It is manipulation, it risks search penalties, and it damages trust once found. If you worry about side effects, read whether AI optimization can hurt your Google rankings.

More on this

Does Google need special markup or files for AI Overviews? No. Google's AI features documentation says there are no additional requirements to appear in AI Overviews or AI Mode beyond being indexed and eligible for a snippet. Google's AI optimization guide adds that you don't need new machine-readable files, AI text files or special markup, because Google Search doesn't use them. Standard technical SEO is the requirement, as of October 2026.

Should I remove the schema markup I already have? No. Google says existing structured data does no harm, and it still supports some search features. The point is narrower: schema isn't a lever for AI citations. Ahrefs' matched test of 1,885 pages found no meaningful lift on any platform and a 4.6% drop on AI Overviews. Keep your markup, and put your effort into access checks and plain-text facts instead.

Does blocking GPTBot remove my site from ChatGPT search? No. OpenAI's crawler documentation says each bot setting is independent. GPTBot controls whether content may be used for training. OAI-SearchBot controls whether your site can appear in ChatGPT search answers. You can block GPTBot and allow OAI-SearchBot at the same time. Also check that your firewall accepts OAI-SearchBot, since robots.txt alone isn't enough.

Can I track my ranking inside AI answers? Not in any verifiable way. Google's Search Console report for AI features shows impressions only, with no position data, and Google says third-party tools lack access to its ranking data. What you can track is whether an engine names or cites you for a set of questions, per platform, with a note on whether the answer used live search.

How do I see what AI engines say about my brand today? Ask the questions your buyers ask, on each engine, logged out, and record whether you are named and whether the facts are right. The free checker on this site runs up to three buyer questions and scores the answers. Treat any result as a snapshot: answers change with each model update and with whether the engine searched the web.

Sources

  1. AI Features and Your Website
  2. Overview of OpenAI Crawlers
  3. The rise of the AI crawler - Vercel
  4. We Tracked 1,885 Pages Adding Schema. AI Citations Barely Moved.
  5. Update: 38% of AI Overview Citations Pull From The Top 10
  6. 2000 AI Blogs Experiment: Does Google Penalize AI Content?

This page is AI-assisted. It was written from a verified evidence base and checked against our editorial policy. Engine behaviour changes often; facts are as of October 21, 2026.

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