ZoominfoBot is the crawler for ZoomInfo, a major B2B business intelligence platform. The bot collects publicly available business information from websites to build comprehensive profiles of companies and business professionals. This data powers ZoomInfo's sales intelligence platform, helping sales and marketing teams identify prospects and understand company structures. The crawler focuses on extracting business-relevant information like company details, employee information, and organizational structures from public web sources.
User Agent String
ZoominfoBot (zoominfobot at zoominfo dot com)
How to Control ZoominfoBot
Block Completely
To prevent ZoominfoBot from accessing your entire website, add this to your robots.txt file:
Multiple ways to detect ZoominfoBot in your application:
Basic Pattern
/ZoominfoBot/i
Strict Pattern
/^ZoominfoBot \(zoominfobot at zoominfo dot com\)$/
Flexible Pattern
/ZoominfoBot[\s\/]?[\d\.]*?/i
Vendor Match
/.*ZoomInfo.*ZoominfoBot/i
Implementation Examples
// PHP Detection for ZoominfoBot
function detect_zoominfobot() {
$user_agent = $_SERVER['HTTP_USER_AGENT'] ?? '';
$pattern = '/ZoominfoBot/i';
if (preg_match($pattern, $user_agent)) {
// Log the detection
error_log('ZoominfoBot 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($_SERVER['REQUEST_URI']) . '.html');
exit;
}
return true;
}
return false;
}
# Python/Flask Detection for ZoominfoBot
import re
from flask import request, make_responsedef detect_zoominfobot():
user_agent = request.headers.get('User-Agent', '')
pattern = r'ZoominfoBot'
if re.search(pattern, user_agent, re.IGNORECASE):
# Create response with caching
response = make_response()
response.headers['Cache-Control'] = 'public, max-age=3600'
response.headers['X-Robots-Tag'] = 'noarchive'
return True
return False# Django Middleware
class ZoominfoBotMiddleware:
def __init__(self, get_response):
self.get_response = get_response
def __call__(self, request):
if self.detect_bot(request):
# Handle bot traffic
pass
return self.get_response(request)
// JavaScript/Node.js Detection for ZoominfoBot
const express = require('express');
const app = express();// Middleware to detect ZoominfoBot
function detectZoominfoBot(req, res, next) {
const userAgent = req.headers['user-agent'] || '';
const pattern = /ZoominfoBot/i;
if (pattern.test(userAgent)) {
// Log bot detection
console.log('ZoominfoBot detected from IP:', req.ip);
// Set cache headers
res.set({
'Cache-Control': 'public, max-age=3600',
'X-Robots-Tag': 'noarchive'
});
// Mark request as bot
req.isBot = true;
req.botName = 'ZoominfoBot';
}
next();
}app.use(detectZoominfoBot);
# Apache .htaccess rules for ZoominfoBot# Block completely
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} ZoominfoBot [NC]
RewriteRule .* - [F,L]# Or redirect to a static version
RewriteCond %{HTTP_USER_AGENT} ZoominfoBot [NC]
RewriteCond %{REQUEST_URI} !^/static/
RewriteRule ^(.*)$ /static/$1 [L]# Or set environment variable for PHP
SetEnvIfNoCase User-Agent "ZoominfoBot" is_bot=1# Add cache headers for this bot
<If "%{HTTP_USER_AGENT} =~ /ZoominfoBot/i">
Header set Cache-Control "public, max-age=3600"
Header set X-Robots-Tag "noarchive"
</If>
# Nginx configuration for ZoominfoBot# Map user agent to variable
map $http_user_agent $is_zoominfobot {
default 0;
~*ZoominfoBot 1;
}server {
# Block the bot completely
if ($is_zoominfobot) {
return 403;
}
# Or serve cached content
location / {
if ($is_zoominfobot) {
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_zoominfobot) {
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