Ads and Platform Fetchers

AdsBot-Google user agent

Operated by Google

AdsOfficial docs Allow

AdsBot-Google is Google's crawler that checks the quality of landing pages used in Google Ads.

The AdsBot-Google bot at a glance

  • AdsBot-Google is operated by Google and checks landing pages for an advertising platform.
  • The robots.txt token for AdsBot-Google is AdsBot-Google.
  • Blocking a platform fetcher has no effect on organic search rankings.
  • AdsBot-Google robots.txt support: Yes.
  • Recommendation for Generative Engine Optimization (GEO): Allow.

What is AdsBot-Google?

AdsBot-Google visits ad landing pages to evaluate page experience and policy compliance for Google Ads.

It ignores the global “User-agent: *” group, so it must be named explicitly to be blocked.

Should you block AdsBot-Google?

Allow AdsBot-Google unless it causes a measurable load problem.

Effect on search rankingsBlocking a platform fetcher has no effect on organic search rankings.
Effect on AI visibilityBlocking breaks the feature the fetcher serves, such as ad approval or feed updates.
Follows robots.txtYes
RecommendationAllow

How to block or allow AdsBot-Google

Put the robots.txt rule in the file at the root of every domain and subdomain, for example https://example.com/robots.txt. The token AdsBot-Google is matched case-insensitively.

robots.txt: block

# Block AdsBot-Google
User-agent: AdsBot-Google
Disallow: /

robots.txt: allow

# Allow AdsBot-Google
User-agent: AdsBot-Google
Allow: /

robots.txt: partial

# Keep AdsBot-Google out of private areas only
User-agent: AdsBot-Google
Disallow: /wp-admin/
Disallow: /cart/
Disallow: /checkout/
Disallow: /my-account/
Allow: /

Nginx

# Nginx: return 403 to AdsBot-Google
if ($http_user_agent ~* "(AdsBot\-Google)") {
    return 403;
}

Apache

# Apache .htaccess: return 403 to AdsBot-Google
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} (AdsBot\-Google) [NC]
RewriteRule .* - [F,L]

Cloudflare WAF

# Cloudflare > Security > WAF > Custom rule, action: Block
(http.user_agent contains "AdsBot-Google")

How to verify real AdsBot-Google traffic

Google publishes the IP ranges that AdsBot-Google uses. A request with the AdsBot-Google user agent from an IP outside that list is an impersonator.

Official AdsBot-Google IP list (JSON)

Reverse DNS check: look up the request IP, confirm the hostname ends in google.com, then look up that hostname and confirm it returns the same IP.

# 1. Reverse lookup: the hostname must end in google.com
host REQUEST_IP
# 2. Forward lookup: must return the same REQUEST_IP
host HOSTNAME_FROM_STEP_1

How to find AdsBot-Google in your server logs

Search the web server access log for the token. The command below counts AdsBot-Google requests per URL on Nginx or Apache.

grep -i "AdsBot-Google" access.log | awk '{print $7}' | sort | uniq -c | sort -rn | head -20

For a full report per AI bot, upload the log to the AI Log File Analyzer, a free tool by Justin Hà.

AdsBot-Google FAQ

AdsBot-Google uses the robots.txt token "AdsBot-Google". Google does not publish a full user-agent string, so match the token inside the User-Agent header.

Yes. Google states that AdsBot-Google follows robots.txt rules written for the "AdsBot-Google" token.

Blocking a platform fetcher has no effect on organic search rankings. Blocking breaks the feature the fetcher serves, such as ad approval or feed updates.

Add two lines to the robots.txt file at the root of each domain and subdomain: "User-agent: AdsBot-Google" followed by "Disallow: /". The token is case-insensitive. Changes can take up to 24 hours to be picked up.

Yes. Google publishes the IP ranges AdsBot-Google uses. Check the request IP against that list; a matching user agent from any other IP is an impersonator.

Search your server access log for "AdsBot-Google", for example with: grep -i "AdsBot-Google" access.log. The AI Log File Analyzer by Justin Hà counts visits per AI bot from an uploaded log file.

Sources: Google crawler documentation. Last reviewed by Justin Hà.

See which of these bots actually reach your website

The AI Log File Analyzer by Justin Hà counts visits from GPTBot, ClaudeBot, PerplexityBot and other AI crawlers in your server log, for free. The GEO Technical Package sets up robots.txt, llms.txt and crawler access for AI search.

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