Overview
Semrushbot is a search crawler from Semrush used for search indexing, URL discovery, page rendering, result freshness, and search-quality checks.
Its primary user-agent pattern is SemrushBot-SA; a representative HTTP user-agent is Mozilla/5.0 (compatible; SemrushBot-SA/0.97; +http://www.semrush.com/bot.html).
Semrushbot is verified with High confidence. The identity type is Verified Bot, and the evidence basis is official operator documentation.
Semrushbot is marked as respecting robots.txt directives for crawler access control.
Semrushbot should be reviewed against site policy, source evidence, crawl rate, and requested paths before a permanent allow or block rule is created.
Identity
- User-Agent Pattern
-
SemrushBot-SA - HTTP Agent Examples
-
Mozilla/5.0 (compatible; SemrushBot-SA/0.97; +http://www.semrush.com/bot.html) - Robots Token
- SemrushBot-SA
- Identity Type
- Verified bot
- Evidence Method
- Verify Semrushbot by matching `SemrushBot-SA` to Semrush evidence, then checking reverse DNS, source-network ownership, signed request data, or published crawler documentation when available.
Classification
- Type
- Search
- Kind
- Crawler
- Family
- Semrush
- Purpose
- Indexing
Behavior and handling
- Common Use
- Semrushbot is used for search indexing, URL discovery, page rendering, result freshness, and search-quality checks.
- Detection Notes
- Semrushbot traffic is primarily detected by the `SemrushBot-SA` user-agent pattern; a representative HTTP user-agent is `Mozilla/5.0 (compatible; SemrushBot-SA/0.97; +http://www.semrush.com/bot.html)`. Compare source IPs, reverse DNS, request paths, and crawl cadence with Semrush infrastructure before trusting the traffic.
- Respects robots.txt
- Yes
- Spoofing Risk
- Semrushbot has medium spoofing risk because the user-agent can be copied, even when the bot has strong source or documentation support.
- Risk
- Neutral
- Recommended Handling
- Depends
Rules and controls
- Robots.txt Snippet
-
User-agent: SemrushBot-SA Disallow: /
Relationships
- Operator
- Semrush Checked 2026-06-23
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.