SemrushBot User-Agent & Blocking Rules
Operated by Semrush. Verify the official user-agent string and safety status for this bot. Use the tools below to run a live crawlability test and get copy-paste robots.txt rules to manage its access. Crawler info last updated on .
What is SemrushBot?
SemrushBot is the main crawler for Semrush, an all-in-one marketing toolkit. It collects data for SEO analysis and site audits.
Test if SemrushBot can access your URL
Enter URL to test if SemrushBot is allowed or blocked.
Is SemrushBot safe?
It is recommended to use caution with SemrushBot.
Caution bots may have legitimate uses but can be resource-intensive or used for competitive intelligence.
For more information about our safety badges, visit our documentation.
User-Agent String used by SemrushBot
SemrushBotHow to block SemrushBot with robots.txt?
Add the following standard robots.txt rule to prevent SemrushBot from accessing your site.
User-agent: SemrushBot Disallow: /
What happens if I block SemrushBot?
Medium Impact
Blocking SemrushBot will prevent this SEO tool from analyzing your website. This may affect SEO audits, backlink tracking, or competitive analysis tools that use this crawler. Your search rankings will NOT be affected.
Common use cases for SemrushBot
Understanding how SemrushBot is typically used can help you make informed decisions about whether to allow or block it on your website.
- Analyzes website structure and SEO health
- Tracks backlinks and referring domains
- Monitors keyword rankings and competitor analysis
- Crawls sites for technical SEO audits
- Generates reports for SEO professionals