MegaIndex
MegaIndex •
Since 2011
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Official Docs
What is MegaIndex?
MegaIndex is a Russian SEO service that provides backlink analysis, keyword research, and competitive intelligence for the Russian market. Their crawler builds a comprehensive database of Russian and CIS (Commonwealth of Independent States) websites, making it particularly valuable for SEO professionals working in these markets. MegaIndex offers unique insights into Yandex SEO and the Russian-language web that international tools might miss. The service competes with global SEO tools by providing localized expertise.
User Agent String
Mozilla/5.0 (compatible; MegaIndex.ru/2.0; +http://megaindex.com/crawler)
How to Control MegaIndex
Block Completely
To prevent MegaIndex from accessing your entire website, add this to your robots.txt file:
# Block MegaIndex
User-agent: MegaIndex
Disallow: /
Block Specific Directories
To restrict access to certain parts of your site while allowing others:
User-agent: MegaIndex
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: MegaIndex
Crawl-delay: 10
How to Verify MegaIndex
Verification Method:
MegaIndex crawler identification
MegaIndex crawler identification
Learn more in the official documentation.
Detection Patterns
Multiple ways to detect MegaIndex in your application:
Basic Pattern
/MegaIndex/iStrict Pattern
/^Mozilla/5\.0 \(compatible; MegaIndex\.ru/2\.0; \+http\://megaindex\.com/crawler\)$/Flexible Pattern
/MegaIndex[\s\/]?[\d\.]*?/iVendor Match
/.*MegaIndex.*MegaIndex/iImplementation Examples
// PHP Detection for MegaIndex
function detect_megaindex() {
$user_agent = $_SERVER['HTTP_USER_AGENT'] ?? '';
$pattern = '/MegaIndex/i';
if (preg_match($pattern, $user_agent)) {
// Log the detection
error_log('MegaIndex 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($_SERVER['REQUEST_URI']) . '.html');
exit;
}
return true;
}
return false;
}
# Python/Flask Detection for MegaIndex
import re
from flask import request, make_responsedef detect_megaindex():
user_agent = request.headers.get('User-Agent', '')
pattern = r'MegaIndex'
if re.search(pattern, user_agent, re.IGNORECASE):
# Create response with caching
response = make_response()
response.headers['Cache-Control'] = 'public, max-age=3600'
response.headers['X-Robots-Tag'] = 'noarchive'
return True
return False# Django Middleware
class MegaIndexMiddleware:
def __init__(self, get_response):
self.get_response = get_response
def __call__(self, request):
if self.detect_bot(request):
# Handle bot traffic
pass
return self.get_response(request)
// JavaScript/Node.js Detection for MegaIndex
const express = require('express');
const app = express();// Middleware to detect MegaIndex
function detectMegaIndex(req, res, next) {
const userAgent = req.headers['user-agent'] || '';
const pattern = /MegaIndex/i;
if (pattern.test(userAgent)) {
// Log bot detection
console.log('MegaIndex detected from IP:', req.ip);
// Set cache headers
res.set({
'Cache-Control': 'public, max-age=3600',
'X-Robots-Tag': 'noarchive'
});
// Mark request as bot
req.isBot = true;
req.botName = 'MegaIndex';
}
next();
}app.use(detectMegaIndex);
# Apache .htaccess rules for MegaIndex# Block completely
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} MegaIndex [NC]
RewriteRule .* - [F,L]# Or redirect to a static version
RewriteCond %{HTTP_USER_AGENT} MegaIndex [NC]
RewriteCond %{REQUEST_URI} !^/static/
RewriteRule ^(.*)$ /static/$1 [L]# Or set environment variable for PHP
SetEnvIfNoCase User-Agent "MegaIndex" is_bot=1# Add cache headers for this bot
<If "%{HTTP_USER_AGENT} =~ /MegaIndex/i">
Header set Cache-Control "public, max-age=3600"
Header set X-Robots-Tag "noarchive"
</If>
# Nginx configuration for MegaIndex# Map user agent to variable
map $http_user_agent $is_megaindex {
default 0;
~*MegaIndex 1;
}server {
# Block the bot completely
if ($is_megaindex) {
return 403;
}
# Or serve cached content
location / {
if ($is_megaindex) {
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_megaindex) {
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: MegaIndex
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: MegaIndex
Crawl-delay: 10
Disallow: /wp-admin/
Disallow: /drafts/
Disallow: /preview/
Disallow: /*?replytocom=
Allow: /
SaaS/Application Configuration
User-agent: MegaIndex
Disallow: /app/
Disallow: /api/
Disallow: /dashboard/
Disallow: /settings/
Allow: /
Allow: /pricing/
Allow: /features/
Allow: /docs/
Quick Reference
User Agent Match
MegaIndexRobots.txt Name
MegaIndexCategory
seoRespects robots.txt
Yes
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