Skip to main content
AI Visibility5 min read

Should You Block Google AI Overviews’s Crawler?

Which agent does what, what blocking costs you, and how to check the rule after every change.

By Founder, Cituna

Published Updated

The crawler question for Google AI Overviews is Googlebot (AI Overviews use the main Search index). Blocking is a real option with a real cost, and the two directions are not symmetric. AI Overviews are generated above the classic results from pages in Google’s existing index, weighted toward sources that already rank for the query. Cituna shows the real cost of blocking by checking daily which sources the AI Overview on each query cites, from your pages to a YouTube video or a rival.

How Google AI Overviews actually decides

AI Overviews appear on a subset of queries and can vanish from a query entirely between one week and the next.

Its citations skew toward video and already-ranking pages, published analyses put YouTube at roughly 23.3% of AI Overview citations. In practice that means the surfaces worth auditing first are YouTube, top-ranking organic pages, structured data and FAQ markup, authoritative domains.

Cituna actions: fixes for the site, each tagged with its impact, the work it takes, the confidence behind it and the scores it improves
In Cituna: each fix with its impact and the work it takes. Example workspace.Try it on your site

The method, in order

Know which agent does what: Googlebot (AI Overviews use the main Search index). Training access and answer-time retrieval are usually separate controls, and blocking the wrong one achieves the opposite of what was intended.

Decide what you are protecting. Blocking reduces the chance of being quoted without attribution; it also reduces the chance of being recommended at all. For the other reasons an engine passes you over, see why Google AI Overviews doesn’t recommend your brand.

Consider the asymmetry. Being absent from Google AI Overviews is easy to cause and slow to undo, even here, where retrieval is live, reputation lags access. To win the citations back, see how to get cited by Google AI Overviews.

If you do block, block deliberately and document it, so a future traffic investigation does not spend a week rediscovering it.

Re-check after any robots.txt change that the agent you meant to allow is still allowed.

The honest caveat

Appearing in an AI Overview can reduce the clicks the same page used to earn, because the answer is now on the results page. Visibility and traffic move in opposite directions here more often than anywhere else.

Cituna checks Google AI Overviews daily alongside ChatGPT, Claude, Gemini, Google AI Mode, Perplexity and Grok, on the $49 Starter, and pairs the result with Google Search Console so a change here can be tied to real clicks. Then it does the work: it generates the fix for each gap, its AutoSEO writes and publishes the articles that answer the questions you are missing, and Claude or any other AI agent can work through the results over MCP.

Drafted with AI assistance from our own research and Search Console data, and reviewed by Rahul A before publishing. Rules and prices change; check the linked official source before you act.

Frequently asked questions

How often does Google AI Overviews change its answer?

Google AI Overviews’s volatility is high at the query level, presence appears and disappears without a ranking change. That is why a single check is not a measurement: the same prompt asked twice in a week can name different brands without anything on your site having changed. Fix the prompt set, check on a schedule, and read the trend rather than the reading. Cituna’s daily check of Google AI Overviews separates the effect of a crawler rule from ordinary drift in the answer.

Which crawler does Google AI Overviews use?

Googlebot (AI Overviews use the main Search index). This matters more than it sounds: robots.txt rules written years ago for Googlebot routinely block these agents by accident, and the symptom, being absent from one engine while doing fine elsewhere, looks like a content problem rather than an access one. Cituna asks Google AI Overviews your buyers’ questions every day, so any robots.txt change can be read against a dated record of who Google AI Overviews named and cited before it.

What is the fastest way to improve visibility in Google AI Overviews?

On the evidence, add clean, answer-shaped passages and FAQ markup to pages that already rank on page one. That is specific to this engine: Google AI Overviews favours video and already-ranking pages, published analyses put YouTube at roughly 23.3% of AI Overview citations, so effort spent on surfaces it does not read produces very little movement here even when it helps elsewhere.

Rahul Arora

Written by

Founder, Cituna

Rahul founded Cituna and leads the product. He runs Cituna on his own sites first, in the same workspace customers use.

LinkedIn About Cituna

Track your brand in Google AI Overviews with Cituna

See the answers Google AI Overviews gives to your buyer questions, the brands it mentions and the sources it cites. Use those gaps to decide what to fix next.

  • Your buyer questions asked on 7 AI engines every day
  • Which answers name you, and which name a competitor
  • The pages each engine cites instead of you
  • A written fix for every answer you are missing from

3-day free trial · Card required, cancel anytime · Plans from $49 a month

Join 1,783 growing businesses

Check crawler readiness free
The Cituna overview: visibility score, its trend and the result on each AI engine

Keep reading

How to Get Cited by Google AI Overviews

Getting cited by Google AI Overviews is a different job from ranking in Google. A baseline, crawler access, the sources it reads, liftable passages.

How to Track Your Brand in Google AI Overviews

Tracking a brand in Google AI Overviews is mostly a sampling problem. What to record, how often to check, and how to tie the result to Search Console.