Overview
Googlebot is a search crawler from Google used for search indexing, URL discovery, page rendering, result freshness, and search-quality checks.
Its primary user-agent pattern is Googlebot; related patterns include Google Search crawler; a representative HTTP user-agent is Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Googlebot/2.1; +http://www.google.com/bot.html) Chrome/W.X.Y.Z Safari/537.36.
Googlebot is verified with High confidence. The identity type is Official Documented, and the evidence basis is official operator documentation.
Googlebot is marked as respecting robots.txt directives for crawler access control.
Googlebot can usually be allowed after confirming the source and monitoring request volume.
Identity
- User-Agent Pattern
-
Googlebot - Aliases
- Google Search crawler
- HTTP Agent Examples
-
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Googlebot/2.1; +http://www.google.com/bot.html) Chrome/W.X.Y.Z Safari/537.36 - Robots Token
- Googlebot
- Identity Type
- Officially documented
- Evidence Method
- Verify Googlebot by matching `Googlebot` to Google evidence, then checking reverse DNS, source-network ownership, signed request data, or published crawler documentation when available.
Classification
- Type
- Search
- Kind
- Crawler
- Family
- Purpose
- Indexing
Behavior and handling
- Common Use
- Googlebot is used for search indexing, URL discovery, page rendering, result freshness, and search-quality checks.
- Detection Notes
- Googlebot traffic is primarily detected by the `Googlebot` user-agent pattern; related patterns include `Google Search crawler`; a representative HTTP user-agent is `Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Googlebot/2.1; +http://www.google.com/bot.html) Chrome/W.X.Y.Z Safari/537.36`. Compare source IPs, reverse DNS, request paths, and crawl cadence with Google infrastructure before trusting the traffic.
- Respects robots.txt
- Yes
- Spoofing Risk
- Googlebot has medium spoofing risk because the user-agent can be copied, even when the bot has strong source or documentation support.
- Risk
- Safe
- Recommended Handling
- Depends
Rules and controls
- Robots.txt Snippet
-
User-agent: Googlebot Disallow: /
Relationships
- Operator
- Google Checked 2026-08-07
Relationships without an Evidence link are normalized from the canonical directory record. They should not be interpreted as independent proof of physical presence or request origin.