AdsBot-Google-Mobile
Google •
Since 2011
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Official Docs
What is AdsBot-Google-Mobile?
AdsBot-Google-Mobile is the mobile version of Google's ad landing page quality checker. This bot specifically evaluates mobile landing pages used in Google Ads campaigns to ensure they provide good mobile user experience. It checks factors like mobile page speed, touch-friendly design, and content accessibility on mobile devices. The quality scores from this bot directly impact mobile ad performance and costs. With the majority of ad clicks now coming from mobile devices, optimizing for AdsBot-Google-Mobile is crucial for successful Google Ads campaigns.
User Agent String
Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/W.X.Y.Z Mobile Safari/537.36 (compatible; AdsBot-Google-Mobile; +http://www.google.com/mobile/adsbot.html)
How to Control AdsBot-Google-Mobile
Block Completely
To prevent AdsBot-Google-Mobile from accessing your entire website, add this to your robots.txt file:
# Block AdsBot-Google-Mobile
User-agent: AdsBot-Google-Mobile
Disallow: /
Block Specific Directories
To restrict access to certain parts of your site while allowing others:
User-agent: AdsBot-Google-Mobile
Disallow: /admin/
Disallow: /private/
Disallow: /wp-admin/
Allow: /public/
Set Crawl Delay
To slow down the crawl rate (note: not all bots respect this directive):
User-agent: AdsBot-Google-Mobile
Crawl-delay: 10
How to Verify AdsBot-Google-Mobile
Verification Method:
Verify via Google's IP ranges
Verify via Google's IP ranges
Learn more in the official documentation.
Detection Patterns
Multiple ways to detect AdsBot-Google-Mobile in your application:
Basic Pattern
/AdsBot\-Google\-Mobile/iStrict Pattern
/^Mozilla/5\.0 \(Linux; Android 6\.0\.1; Nexus 5X Build/MMB29P\) AppleWebKit/537\.36 \(KHTML, like Gecko\) Chrome/W\.X\.Y\.Z Mobile Safari/537\.36 \(compatible; AdsBot\-Google\-Mobile; \+http\://www\.google\.com/mobile/adsbot\.html\)$/Flexible Pattern
/AdsBot\-Google\-Mobile[\s\/]?[\d\.]*?/iVendor Match
/.*Google.*AdsBot\-Google\-Mobile/iImplementation Examples
// PHP Detection for AdsBot-Google-Mobile
function detect_adsbot_google_mobile() {
$user_agent = $_SERVER['HTTP_USER_AGENT'] ?? '';
$pattern = '/AdsBot\\-Google\\-Mobile/i';
if (preg_match($pattern, $user_agent)) {
// Log the detection
error_log('AdsBot-Google-Mobile detected from IP: ' . $_SERVER['REMOTE_ADDR']);
// Set cache headers
header('Cache-Control: public, max-age=3600');
header('X-Robots-Tag: noarchive');
// Optional: Serve cached version
if (file_exists('cache/' . md5($_SERVER['REQUEST_URI']) . '.html')) {
readfile('cache/' . md5($_SERVER['REQUEST_URI']) . '.html');
exit;
}
return true;
}
return false;
}
# Python/Flask Detection for AdsBot-Google-Mobile
import re
from flask import request, make_responsedef detect_adsbot_google_mobile():
user_agent = request.headers.get('User-Agent', '')
pattern = r'AdsBot-Google-Mobile'
if re.search(pattern, user_agent, re.IGNORECASE):
# Create response with caching
response = make_response()
response.headers['Cache-Control'] = 'public, max-age=3600'
response.headers['X-Robots-Tag'] = 'noarchive'
return True
return False# Django Middleware
class AdsBotGoogleMobileMiddleware:
def __init__(self, get_response):
self.get_response = get_response
def __call__(self, request):
if self.detect_bot(request):
# Handle bot traffic
pass
return self.get_response(request)
// JavaScript/Node.js Detection for AdsBot-Google-Mobile
const express = require('express');
const app = express();// Middleware to detect AdsBot-Google-Mobile
function detectAdsBotGoogleMobile(req, res, next) {
const userAgent = req.headers['user-agent'] || '';
const pattern = /AdsBot-Google-Mobile/i;
if (pattern.test(userAgent)) {
// Log bot detection
console.log('AdsBot-Google-Mobile detected from IP:', req.ip);
// Set cache headers
res.set({
'Cache-Control': 'public, max-age=3600',
'X-Robots-Tag': 'noarchive'
});
// Mark request as bot
req.isBot = true;
req.botName = 'AdsBot-Google-Mobile';
}
next();
}app.use(detectAdsBotGoogleMobile);
# Apache .htaccess rules for AdsBot-Google-Mobile# Block completely
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} AdsBot\-Google\-Mobile [NC]
RewriteRule .* - [F,L]# Or redirect to a static version
RewriteCond %{HTTP_USER_AGENT} AdsBot\-Google\-Mobile [NC]
RewriteCond %{REQUEST_URI} !^/static/
RewriteRule ^(.*)$ /static/$1 [L]# Or set environment variable for PHP
SetEnvIfNoCase User-Agent "AdsBot\-Google\-Mobile" is_bot=1# Add cache headers for this bot
<If "%{HTTP_USER_AGENT} =~ /AdsBot\-Google\-Mobile/i">
Header set Cache-Control "public, max-age=3600"
Header set X-Robots-Tag "noarchive"
</If>
# Nginx configuration for AdsBot-Google-Mobile# Map user agent to variable
map $http_user_agent $is_adsbot_google_mobile {
default 0;
~*AdsBot\-Google\-Mobile 1;
}server {
# Block the bot completely
if ($is_adsbot_google_mobile) {
return 403;
}
# Or serve cached content
location / {
if ($is_adsbot_google_mobile) {
root /var/www/cached;
try_files $uri $uri.html $uri/index.html @backend;
}
try_files $uri @backend;
}
# Add headers for bot requests
location @backend {
if ($is_adsbot_google_mobile) {
add_header Cache-Control "public, max-age=3600";
add_header X-Robots-Tag "noarchive";
}
proxy_pass http://backend;
}
}
Should You Block This Bot?
Recommendations based on your website type:
| Site Type | Recommendation | Reasoning |
|---|---|---|
| E-commerce | Allow | Essential for product visibility in search results |
| Blog/News | Allow | Increases content reach and discoverability |
| SaaS Application | Block | No benefit for application interfaces; preserve resources |
| Documentation | Allow | Improves documentation discoverability for developers |
| Corporate Site | Allow | Allow for public pages, block sensitive areas like intranets |
Advanced robots.txt Configurations
E-commerce Site Configuration
User-agent: AdsBot-Google-Mobile
Crawl-delay: 5
Disallow: /cart/
Disallow: /checkout/
Disallow: /my-account/
Disallow: /api/
Disallow: /*?sort=
Disallow: /*?filter=
Disallow: /*&page=
Allow: /products/
Allow: /categories/
Sitemap: https://example.com/sitemap.xml
Publishing/Blog Configuration
User-agent: AdsBot-Google-Mobile
Crawl-delay: 10
Disallow: /wp-admin/
Disallow: /drafts/
Disallow: /preview/
Disallow: /*?replytocom=
Allow: /
SaaS/Application Configuration
User-agent: AdsBot-Google-Mobile
Disallow: /app/
Disallow: /api/
Disallow: /dashboard/
Disallow: /settings/
Allow: /
Allow: /pricing/
Allow: /features/
Allow: /docs/
Quick Reference
User Agent Match
AdsBot-Google-MobileRobots.txt Name
AdsBot-Google-MobileCategory
search, otherRespects robots.txt
May not respect
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