What is CognitiveSEO?
CognitiveSEO Site Explorer is the web crawler for cognitiveSEO, an SEO platform specializing in backlink analysis, content optimization, and rank tracking. The bot crawls web pages to build cognitiveSEO's backlink database and analyze site structure. It respects robots.txt directives and provides contact information for webmasters.
User Agent String
Mozilla/5.0 (compatible; CognitiveSEO Site Explorer; +https://cognitiveseo.com/bot.html)
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How to Control CognitiveSEO
Block Completely
To prevent CognitiveSEO from accessing your entire website, add this to your robots.txt file:
User-agent: CognitiveSEO
Disallow: /
Block Specific Directories
To restrict access to certain parts of your site while allowing others:
User-agent: CognitiveSEO
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: CognitiveSEO
Crawl-delay: 10
How to Verify CognitiveSEO
Verification Method:
Check user agent string for CognitiveSEO identifier
Learn more in the official documentation .
Detection Patterns
Multiple ways to detect CognitiveSEO in your application:
Basic Pattern
/CognitiveSEO/i
Strict Pattern
/^Mozilla/5\.0 \(compatible; CognitiveSEO Site Explorer; \+https\://cognitiveseo\.com/bot\.html\)$/
Flexible Pattern
/CognitiveSEO[\s\/]?[\d\.]*?/i
Vendor Match
/.*cognitiveSEO.*CognitiveSEO/i
Implementation Examples
PHP
Python
JavaScript
.htaccess
Nginx
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function detect_cognitiveseo() {
$user_agent = $_SERVER['HTTP_USER_AGENT'] ?? '';
$pattern = '/CognitiveSEO/i';
if (preg_match($pattern, $user_agent)) {
// Log the detection
error_log('CognitiveSEO 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($_SERVER['REQUEST_URI']) . '.html');
exit;
}
return true;
}
return false;
}
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import re
from flask import request, make_response
def detect_cognitiveseo():
user_agent = request.headers.get('User-Agent', '')
pattern = r'CognitiveSEO'
if re.search(pattern, user_agent, re.IGNORECASE):
# Create response with caching
response = make_response()
response.headers['Cache-Control'] = 'public, max-age=3600'
response.headers['X-Robots-Tag'] = 'noarchive'
return True
return False
class CognitiveSEOMiddleware:
def __init__(self, get_response):
self.get_response = get_response
def __call__(self, request):
if self.detect_bot(request):
# Handle bot traffic
pass
return self.get_response(request)
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const express = require('express');
const app = express();
// Middleware to detect CognitiveSEO
function detectCognitiveSEO(req, res, next) {
const userAgent = req.headers['user-agent'] || '';
const pattern = /CognitiveSEO/i;
if (pattern.test(userAgent)) {
// Log bot detection
console.log('CognitiveSEO detected from IP:', req.ip);
// Set cache headers
res.set({
'Cache-Control': 'public, max-age=3600',
'X-Robots-Tag': 'noarchive'
});
// Mark request as bot
req.isBot = true;
req.botName = 'CognitiveSEO';
}
next();
}
app.use(detectCognitiveSEO);
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RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} CognitiveSEO [NC]
RewriteRule .* - [F,L]
RewriteCond %{HTTP_USER_AGENT} CognitiveSEO [NC]
RewriteCond %{REQUEST_URI} !^/static/
RewriteRule ^(.*)$ /static/$1 [L]
SetEnvIfNoCase User-Agent "CognitiveSEO" is_bot=1
<If "%{HTTP_USER_AGENT} =~ /CognitiveSEO/i">
Header set Cache-Control "public, max-age=3600"
Header set X-Robots-Tag "noarchive"
</If>
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map $http_user_agent $is_cognitiveseo {
default 0;
~*CognitiveSEO 1;
}
server {
if ($is_cognitiveseo) {
return 403;
}
location / {
if ($is_cognitiveseo) {
root /var/www/cached;
try_files $uri $uri.html $uri/index.html @backend;
}
try_files $uri @backend;
}
location @backend {
if ($is_cognitiveseo) {
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
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User-agent: CognitiveSEO
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
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User-agent: CognitiveSEO
Crawl-delay: 10
Disallow: /wp-admin/
Disallow: /drafts/
Disallow: /preview/
Disallow: /*?replytocom=
Allow: /
SaaS/Application Configuration
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User-agent: CognitiveSEO
Disallow: /app/
Disallow: /api/
Disallow: /dashboard/
Disallow: /settings/
Allow: /
Allow: /pricing/
Allow: /features/
Allow: /docs/
Quick Reference
User Agent Match
CognitiveSEO
Robots.txt Name
CognitiveSEO
Category
seo
Respects robots.txt
Yes