Google-CloudVertexBot crawls content for Google Cloud's Vertex AI and enterprise search products. It enables businesses using Google Cloud to index and search their publicly accessible web content through Vertex AI Search. The bot follows Google's standard crawling practices and respects robots.txt directives. Website owners who block this bot will prevent their content from being indexed by Google Cloud enterprise search solutions.
User Agent String
Mozilla/5.0 (Linux; Android 6.0.1; Nexus 5X Build/MMB29P) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/141.0.7390.122 Mobile Safari/537.36 (compatible; Google-CloudVertexBot; +https://cloud.google.com/enterprise-search)
How to Control Google-CloudVertexBot
Block Completely
To prevent Google-CloudVertexBot from accessing your entire website, add this to your robots.txt file:
⚠️ AI Training Notice
This bot may collect and use your website content for AI model training. Consider whether you want your content used for this purpose before allowing access.
Detection Patterns
Multiple ways to detect Google-CloudVertexBot in your application:
Basic Pattern
/Google\-CloudVertexBot/i
Strict Pattern
/^Mozilla/5\.0 \(Linux; Android 6\.0\.1; Nexus 5X Build/MMB29P\) AppleWebKit/537\.36 \(KHTML, like Gecko\) Chrome/141\.0\.7390\.122 Mobile Safari/537\.36 \(compatible; Google\-CloudVertexBot; \+https\://cloud\.google\.com/enterprise\-search\)$/
Flexible Pattern
/Google\-CloudVertexBot[\s\/]?[\d\.]*?/i
Vendor Match
/.*Google.*Google\-CloudVertexBot/i
Implementation Examples
// PHP Detection for Google-CloudVertexBot
function detect_google_cloudvertexbot() {
$user_agent = $_SERVER['HTTP_USER_AGENT'] ?? '';
$pattern = '/Google\\-CloudVertexBot/i';
if (preg_match($pattern, $user_agent)) {
// Log the detection
error_log('Google-CloudVertexBot 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($_SERVER['REQUEST_URI']) . '.html');
exit;
}
return true;
}
return false;
}
# Python/Flask Detection for Google-CloudVertexBot
import re
from flask import request, make_responsedef detect_google_cloudvertexbot():
user_agent = request.headers.get('User-Agent', '')
pattern = r'Google-CloudVertexBot'
if re.search(pattern, user_agent, re.IGNORECASE):
# Create response with caching
response = make_response()
response.headers['Cache-Control'] = 'public, max-age=3600'
response.headers['X-Robots-Tag'] = 'noarchive'
return True
return False# Django Middleware
class GoogleCloudVertexBotMiddleware:
def __init__(self, get_response):
self.get_response = get_response
def __call__(self, request):
if self.detect_bot(request):
# Handle bot traffic
pass
return self.get_response(request)
// JavaScript/Node.js Detection for Google-CloudVertexBot
const express = require('express');
const app = express();// Middleware to detect Google-CloudVertexBot
function detectGoogleCloudVertexBot(req, res, next) {
const userAgent = req.headers['user-agent'] || '';
const pattern = /Google-CloudVertexBot/i;
if (pattern.test(userAgent)) {
// Log bot detection
console.log('Google-CloudVertexBot detected from IP:', req.ip);
// Set cache headers
res.set({
'Cache-Control': 'public, max-age=3600',
'X-Robots-Tag': 'noarchive'
});
// Mark request as bot
req.isBot = true;
req.botName = 'Google-CloudVertexBot';
}
next();
}app.use(detectGoogleCloudVertexBot);
# Apache .htaccess rules for Google-CloudVertexBot# Block completely
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} Google\-CloudVertexBot [NC]
RewriteRule .* - [F,L]# Or redirect to a static version
RewriteCond %{HTTP_USER_AGENT} Google\-CloudVertexBot [NC]
RewriteCond %{REQUEST_URI} !^/static/
RewriteRule ^(.*)$ /static/$1 [L]# Or set environment variable for PHP
SetEnvIfNoCase User-Agent "Google\-CloudVertexBot" is_bot=1# Add cache headers for this bot
<If "%{HTTP_USER_AGENT} =~ /Google\-CloudVertexBot/i">
Header set Cache-Control "public, max-age=3600"
Header set X-Robots-Tag "noarchive"
</If>
# Nginx configuration for Google-CloudVertexBot# Map user agent to variable
map $http_user_agent $is_google_cloudvertexbot {
default 0;
~*Google\-CloudVertexBot 1;
}server {
# Block the bot completely
if ($is_google_cloudvertexbot) {
return 403;
}
# Or serve cached content
location / {
if ($is_google_cloudvertexbot) {
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_google_cloudvertexbot) {
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
Consider Blocking
Your content may be used for AI training without compensation
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