AdIdxBot
Microsoft Bing •
Web Crawler
What is AdIdxBot?
Bing Webmaster Tools identifies AdIdxBot as the crawler used by Bing Ads. It crawls advertisements and follows their destination websites for quality control, with desktop and mobile user-agent variants. The string shown is Bing's published desktop example. Bing provides robots.txt controls and warns that matching the string alone does not prove a request is genuine.
User Agent String
Mozilla/5.0 (compatible; adidxbot/2.0; +http://www.bing.com/bingbot.htm)
How to Control AdIdxBot
Block Completely
To prevent AdIdxBot from accessing your entire website, add this to your robots.txt file:
# Block AdIdxBot
User-agent: AdIdxBot
Disallow: /
Block Specific Directories
To restrict access to certain parts of your site while allowing others:
User-agent: AdIdxBot
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: AdIdxBot
Crawl-delay: 10
How to Verify AdIdxBot
Verification Method:
Use Bing Webmaster Tools' Verify Bingbot facility or its published verification guidance for the source IP; user-agent strings are spoofable.
Use Bing Webmaster Tools' Verify Bingbot facility or its published verification guidance for the source IP; user-agent strings are spoofable.
Learn more in the official documentation.
Detection Patterns
Multiple ways to detect AdIdxBot in your application:
Basic Pattern
/AdIdxBot/i
Strict Pattern
/^Mozilla\/5\.0 \(compatible; adidxbot\/2\.0; \+http\:\/\/www\.bing\.com\/bingbot\.htm\)$/
Flexible Pattern
/AdIdxBot[\s\/]?[\d\.]*?/i
Vendor Match
/.*Microsoft Bing.*AdIdxBot/i
Implementation Examples
// PHP Detection for AdIdxBot
function detect_adidxbot() {
$user_agent = $_SERVER['HTTP_USER_AGENT'] ?? '';
$pattern = '/AdIdxBot/i';
if (preg_match($pattern, $user_agent)) {
// Log the detection
error_log('AdIdxBot 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($_SERVER['REQUEST_URI']) . '.html');
exit;
}
return true;
}
return false;
}
# Python/Flask Detection for AdIdxBot
import re
from flask import request, make_response
def detect_adidxbot():
user_agent = request.headers.get('User-Agent', '')
pattern = r'AdIdxBot'
if re.search(pattern, user_agent, re.IGNORECASE):
# Create response with caching
response = make_response()
response.headers['Cache-Control'] = 'public, max-age=3600'
response.headers['X-Robots-Tag'] = 'noarchive'
return True
return False
# Django Middleware
class adidxbotMiddleware:
def __init__(self, get_response):
self.get_response = get_response
def __call__(self, request):
if self.detect_bot(request):
# Handle bot traffic
pass
return self.get_response(request)
// JavaScript/Node.js Detection for AdIdxBot
const express = require('express');
const app = express();
// Middleware to detect AdIdxBot
function detect_adidxbot(req, res, next) {
const userAgent = req.headers['user-agent'] || '';
const pattern = /AdIdxBot/i;
if (pattern.test(userAgent)) {
// Log bot detection
console.log('AdIdxBot detected from IP:', req.ip);
// Set cache headers
res.set({
'Cache-Control': 'public, max-age=3600',
'X-Robots-Tag': 'noarchive'
});
// Mark request as bot
req.isBot = true;
req.botName = 'AdIdxBot';
}
next();
}
app.use(detect_adidxbot);
# Apache .htaccess rules for AdIdxBot
# Block completely
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} AdIdxBot [NC]
RewriteRule .* - [F,L]
# Or redirect to a static version
RewriteCond %{HTTP_USER_AGENT} AdIdxBot [NC]
RewriteCond %{REQUEST_URI} !^/static/
RewriteRule ^(.*)$ /static/$1 [L]
# Or set environment variable for PHP
SetEnvIfNoCase User-Agent "AdIdxBot" is_bot=1
# Add cache headers for this bot
<If "%{HTTP_USER_AGENT} =~ /AdIdxBot/i">
Header set Cache-Control "public, max-age=3600"
Header set X-Robots-Tag "noarchive"
</If>
# Nginx configuration for AdIdxBot
# Map user agent to variable
map $http_user_agent $is_adidxbot {
default 0;
~*AdIdxBot 1;
}
server {
# Block the bot completely
if ($is_adidxbot) {
return 403;
}
# Or serve cached content
location / {
if ($is_adidxbot) {
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_adidxbot) {
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: AdIdxBot
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: AdIdxBot
Crawl-delay: 10
Disallow: /wp-admin/
Disallow: /drafts/
Disallow: /preview/
Disallow: /*?replytocom=
Allow: /
SaaS/Application Configuration
User-agent: AdIdxBot
Disallow: /app/
Disallow: /api/
Disallow: /dashboard/
Disallow: /settings/
Allow: /
Allow: /pricing/
Allow: /features/
Allow: /docs/
Quick Reference
User Agent Match
AdIdxBot
Robots.txt Name
AdIdxBot
Category
search
Respects robots.txt
Yes
Copied to clipboard!