AdsBot-Google-Mobile

advertising AdsBot-Google-Mobile

Google's mobile Ads bot for crawling mobile pages

About this crawler

AdsBot-Google-Mobile is a web crawler identified by the regular-expression pattern AdsBot-Google-Mobile in the User-Agent request header. It is categorised as advertising. Use the regex above to detect, log, allow, or block AdsBot-Google-Mobile traffic in your web server, CDN edge rules, or robots.txt.

Block-rate · top 25k sites

0.72%
latest snapshot
2026-06-04
matched key: AdsBot-Google-Mobile
2026-05-012026-06-041.1%

Technical details

Name
AdsBot-Google-Mobile
Pattern
AdsBot-Google-Mobile
Tags
advertising
Reference
https://support.google.com/adwords/answer/2404197
Added
2017/08/21
rDNS suffixes
.1e100.net, .googlebot.com, .googleusercontent.com
Instances
3 known sample(s)

rDNS verification (FCrDNS)

Verify a request is genuinely AdsBot-Google-Mobile with forward-confirmed reverse DNS: the client IP's PTR record must end in one of the suffixes below and a forward A/AAAA lookup of that hostname must return the same IP. UA strings alone are spoofable; FCrDNS is not.

Sample User-Agent strings

AdsBot-Google-Mobile-Apps
Mozilla/5.0 (Linux; Android 5.0; SM-G920A) AppleWebKit (KHTML, like Gecko) Chrome Mobile Safari (compatible; AdsBot-Google-Mobile; +http://www.google.com/mobile/adsbot.html)
Mozilla/5.0 (iPhone; CPU iPhone OS 9_1 like Mac OS X) AppleWebKit/601.1.46 (KHTML, like Gecko) Version/9.0 Mobile/13B143 Safari/601.1 (compatible; AdsBot-Google-Mobile; +http://www.google.com/mobile/adsbot.html)

Block this crawler

robots.txt — disallow AdsBot-Google-Mobile:

User-agent: AdsBot-Google-Mobile Disallow: /

Apache .htaccess — return 403:

RewriteEngine On RewriteCond %{HTTP_USER_AGENT} AdsBot-Google-Mobile [NC] RewriteRule .* - [F,L]

Nginx — return 403 inside a server block:

if ($http_user_agent ~* "AdsBot-Google-Mobile") { return 403; }
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