Mediapartners-Google
Google •
Since 2003
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Official Docs
What is Mediapartners-Google?
Mediapartners-Google is the crawler used by Google AdSense to analyze web pages and determine which ads to display. When a page includes AdSense ad code, this bot visits to understand the content and context, enabling better ad targeting and relevance. The crawler operates separately from standard Googlebot and focuses solely on pages with AdSense implementation. It analyzes page content, keywords, and context to match appropriate advertisements. Website owners using AdSense should ensure Mediapartners-Google can access their content for optimal ad performance and revenue.
User Agent String
Mediapartners-Google
How to Control Mediapartners-Google
Block Completely
To prevent Mediapartners-Google from accessing your entire website, add this to your robots.txt file:
# Block Mediapartners-Google
User-agent: Mediapartners-Google
Disallow: /
Block Specific Directories
To restrict access to certain parts of your site while allowing others:
User-agent: Mediapartners-Google
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: Mediapartners-Google
Crawl-delay: 10
How to Verify Mediapartners-Google
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 Mediapartners-Google in your application:
Basic Pattern
/Mediapartners\-Google/i
Strict Pattern
/^Mediapartners\-Google$/
Flexible Pattern
/Mediapartners\-Google[\s\/]?[\d\.]*?/i
Vendor Match
/.*Google.*Mediapartners\-Google/i
Implementation Examples
// PHP Detection for Mediapartners-Google
function detect_mediapartners_google() {
$user_agent = $_SERVER['HTTP_USER_AGENT'] ?? '';
$pattern = '/Mediapartners\\-Google/i';
if (preg_match($pattern, $user_agent)) {
// Log the detection
error_log('Mediapartners-Google 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($_SERVER['REQUEST_URI']) . '.html');
exit;
}
return true;
}
return false;
}
# Python/Flask Detection for Mediapartners-Google
import re
from flask import request, make_response
def detect_mediapartners_google():
user_agent = request.headers.get('User-Agent', '')
pattern = r'Mediapartners-Google'
if re.search(pattern, user_agent, re.IGNORECASE):
# Create response with caching
response = make_response()
response.headers['Cache-Control'] = 'public, max-age=3600'
response.headers['X-Robots-Tag'] = 'noarchive'
return True
return False
# Django Middleware
class MediapartnersGoogleMiddleware:
def __init__(self, get_response):
self.get_response = get_response
def __call__(self, request):
if self.detect_bot(request):
# Handle bot traffic
pass
return self.get_response(request)
// JavaScript/Node.js Detection for Mediapartners-Google
const express = require('express');
const app = express();
// Middleware to detect Mediapartners-Google
function detectMediapartnersGoogle(req, res, next) {
const userAgent = req.headers['user-agent'] || '';
const pattern = /Mediapartners-Google/i;
if (pattern.test(userAgent)) {
// Log bot detection
console.log('Mediapartners-Google detected from IP:', req.ip);
// Set cache headers
res.set({
'Cache-Control': 'public, max-age=3600',
'X-Robots-Tag': 'noarchive'
});
// Mark request as bot
req.isBot = true;
req.botName = 'Mediapartners-Google';
}
next();
}
app.use(detectMediapartnersGoogle);
# Apache .htaccess rules for Mediapartners-Google
# Block completely
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} Mediapartners\-Google [NC]
RewriteRule .* - [F,L]
# Or redirect to a static version
RewriteCond %{HTTP_USER_AGENT} Mediapartners\-Google [NC]
RewriteCond %{REQUEST_URI} !^/static/
RewriteRule ^(.*)$ /static/$1 [L]
# Or set environment variable for PHP
SetEnvIfNoCase User-Agent "Mediapartners\-Google" is_bot=1
# Add cache headers for this bot
<If "%{HTTP_USER_AGENT} =~ /Mediapartners\-Google/i">
Header set Cache-Control "public, max-age=3600"
Header set X-Robots-Tag "noarchive"
</If>
# Nginx configuration for Mediapartners-Google
# Map user agent to variable
map $http_user_agent $is_mediapartners_google {
default 0;
~*Mediapartners\-Google 1;
}
server {
# Block the bot completely
if ($is_mediapartners_google) {
return 403;
}
# Or serve cached content
location / {
if ($is_mediapartners_google) {
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_mediapartners_google) {
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 | Optional | Evaluate based on bandwidth usage vs. benefits |
| Blog/News | Allow | Increases content reach and discoverability |
| SaaS Application | Block | No benefit for application interfaces; preserve resources |
| Documentation | Selective | Allow for public docs, block for internal docs |
| Corporate Site | Limit | Allow for public pages, block sensitive areas like intranets |
Advanced robots.txt Configurations
E-commerce Site Configuration
User-agent: Mediapartners-Google
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: Mediapartners-Google
Crawl-delay: 10
Disallow: /wp-admin/
Disallow: /drafts/
Disallow: /preview/
Disallow: /*?replytocom=
Allow: /
SaaS/Application Configuration
User-agent: Mediapartners-Google
Disallow: /app/
Disallow: /api/
Disallow: /dashboard/
Disallow: /settings/
Allow: /
Allow: /pricing/
Allow: /features/
Allow: /docs/
Quick Reference
User Agent Match
Mediapartners-Google
Robots.txt Name
Mediapartners-Google
Category
other
Respects robots.txt
Yes
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