linkdexbot
Linkdex •
Since 2012
Quick Actions
Official Docs
What is linkdexbot?
linkdexbot is the web crawler for Linkdex, an enterprise SEO platform used for link analysis, content optimization, and site auditing. The bot crawls web pages to discover links, analyze page content, and build Linkdex's SEO intelligence database. It respects robots.txt directives and follows standard web crawling practices.
User Agent String
Mozilla/5.0 (compatible; linkdexbot/2.0; +http://www.linkdex.com/bots/)
How to Control linkdexbot
Block Completely
To prevent linkdexbot from accessing your entire website, add this to your robots.txt file:
# Block linkdexbot
User-agent: linkdexbot
Disallow: /
Block Specific Directories
To restrict access to certain parts of your site while allowing others:
User-agent: linkdexbot
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: linkdexbot
Crawl-delay: 10
How to Verify linkdexbot
Verification Method:
Check user agent string for linkdexbot identifier
Check user agent string for linkdexbot identifier
Learn more in the official documentation.
Detection Patterns
Multiple ways to detect linkdexbot in your application:
Basic Pattern
/linkdexbot/iStrict Pattern
/^Mozilla/5\.0 \(compatible; linkdexbot/2\.0; \+http\://www\.linkdex\.com/bots/\)$/Flexible Pattern
/linkdexbot[\s\/]?[\d\.]*?/iVendor Match
/.*Linkdex.*linkdexbot/iImplementation Examples
// PHP Detection for linkdexbot
function detect_linkdexbot() {
$user_agent = $_SERVER['HTTP_USER_AGENT'] ?? '';
$pattern = '/linkdexbot/i';
if (preg_match($pattern, $user_agent)) {
// Log the detection
error_log('linkdexbot 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($_SERVER['REQUEST_URI']) . '.html');
exit;
}
return true;
}
return false;
}
# Python/Flask Detection for linkdexbot
import re
from flask import request, make_responsedef detect_linkdexbot():
user_agent = request.headers.get('User-Agent', '')
pattern = r'linkdexbot'
if re.search(pattern, user_agent, re.IGNORECASE):
# Create response with caching
response = make_response()
response.headers['Cache-Control'] = 'public, max-age=3600'
response.headers['X-Robots-Tag'] = 'noarchive'
return True
return False# Django Middleware
class linkdexbotMiddleware:
def __init__(self, get_response):
self.get_response = get_response
def __call__(self, request):
if self.detect_bot(request):
# Handle bot traffic
pass
return self.get_response(request)
// JavaScript/Node.js Detection for linkdexbot
const express = require('express');
const app = express();// Middleware to detect linkdexbot
function detectlinkdexbot(req, res, next) {
const userAgent = req.headers['user-agent'] || '';
const pattern = /linkdexbot/i;
if (pattern.test(userAgent)) {
// Log bot detection
console.log('linkdexbot detected from IP:', req.ip);
// Set cache headers
res.set({
'Cache-Control': 'public, max-age=3600',
'X-Robots-Tag': 'noarchive'
});
// Mark request as bot
req.isBot = true;
req.botName = 'linkdexbot';
}
next();
}app.use(detectlinkdexbot);
# Apache .htaccess rules for linkdexbot# Block completely
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} linkdexbot [NC]
RewriteRule .* - [F,L]# Or redirect to a static version
RewriteCond %{HTTP_USER_AGENT} linkdexbot [NC]
RewriteCond %{REQUEST_URI} !^/static/
RewriteRule ^(.*)$ /static/$1 [L]# Or set environment variable for PHP
SetEnvIfNoCase User-Agent "linkdexbot" is_bot=1# Add cache headers for this bot
<If "%{HTTP_USER_AGENT} =~ /linkdexbot/i">
Header set Cache-Control "public, max-age=3600"
Header set X-Robots-Tag "noarchive"
</If>
# Nginx configuration for linkdexbot# Map user agent to variable
map $http_user_agent $is_linkdexbot {
default 0;
~*linkdexbot 1;
}server {
# Block the bot completely
if ($is_linkdexbot) {
return 403;
}
# Or serve cached content
location / {
if ($is_linkdexbot) {
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_linkdexbot) {
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: linkdexbot
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: linkdexbot
Crawl-delay: 10
Disallow: /wp-admin/
Disallow: /drafts/
Disallow: /preview/
Disallow: /*?replytocom=
Allow: /
SaaS/Application Configuration
User-agent: linkdexbot
Disallow: /app/
Disallow: /api/
Disallow: /dashboard/
Disallow: /settings/
Allow: /
Allow: /pricing/
Allow: /features/
Allow: /docs/
Quick Reference
User Agent Match
linkdexbotRobots.txt Name
linkdexbotCategory
seoRespects robots.txt
Yes
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