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Name the bots (spider) of major search engine?

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asked for the spider names and collected several — that’s a useful inventory — and ’s request for clarity is on point. Instead of repeating names (those change and can be spoofed), the practical issues most people run into are: how to identify a crawler in your logs, how to verify it is legitimate, and how to control or monitor crawl activity. The notes below give a concise, reliable workflow and cautions.

Verify before trusting a user-agent: get the request IP from your server logs, perform a reverse DNS lookup on that IP, check the returned hostname ends with the search engine’s official domain, then do a forward lookup of that hostname to confirm it maps back to the same IP. This reverse-then-forward check is the recommended verification pattern in official docs. See Google’s verification guide and Bing’s verification writeup for the exact steps and examples. (developers.google.com)

Robots.txt is a coordination (advisory) mechanism, not a security control — do not list secrets there. The current REP spec and major engines document parsing rules and limits; Google explicitly notes it doesn’t honor nonstandard fields like Crawl-delay. Also note that Google deprecated the Search Console “Crawl Rate Limiter” (Jan 8, 2024), so the crawler adjusts to server responses and errors rather than a manual per-site slider. Use meta tags / X-Robots-Tag headers or server-level responses for indexing control. (rfc-editor.org)

Practical monitoring and troubleshooting: use Search Console / Bing Webmaster crawl reports and your raw logs (look for unusual user-agent strings + failed reverse DNS), set sensible rate limits at the CDN or WAF, and consider IP-based allowlists for automated verification of “good” bots. For hostile scrapers, rely on network-level defenses (rate limiting, bot-management services, honeypots) since robots.txt can be ignored. The Search Console Crawl Stats report is a good starting point for historic crawl patterns. (developers.google.com)

These steps solve the common problems that follow a simple name-list: spoofed user-agents, accidental blocking of legitimate crawlers, and server overload from heavy crawls.

Member Avatar for Syntricon

You just need to be more clear on your question.

Member Avatar for PrimeItSolution

Good bots of major search engine are:
Googlebot
Baidu Spider
MSN Bot/BingBot
Yandex Bot
Soso Spider
ExaBot
Sogou Spider
Google Plus Share
Facebook External Hit
Google Feedfetcher

commented: Very late reply. Leave old posts where they are. -3
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