What is SemrushBot-SI?
SemrushBot-SI is Semrush's specialized Site Intelligence crawler for On Page SEO Checker tool, analyzing website content and technical SEO factors to provide comprehensive site optimization insights and recommendations. Agent Analytics can track when it visits your website.
Overview
| Operated By | Semrush |
| Source | Official Website |
| Expected To Follow Robots.txt | Yes |
| Insights Last Updated | August 11, 2026 |
Do you operate this agent? Contact us to suggest an update.
Category
Expected Behavior
SemrushBot-SI usually performs comprehensive, link-following crawls rather than spot checks. Visit frequency may rise while a customer actively monitors your site or a related market.
SemrushBot-SI's User Agent
| User Agent | Mozilla/5.0 (compatible; SemrushBot-SI/0.97; +http://www.semrush.com/bot.html) |
How To Block SemrushBot-SI With Robots.txt
Add this rule to your robots.txt file to block SemrushBot-SI from accessing your entire website, or use Automatic Robots.txt to block all SEO crawlers at once. You can customize which pages are blocked by swapping out / for a different path.
User-agent: SemrushBot-SI # https://knownagents.com/agents/semrushbot-si
Disallow: /Global Statistics for SemrushBot-SI
As of August 11, 2026, this data reflects agent visits measured across thousands of websites using Agent Analytics, combined with daily scans of the top 1000 websites and their robots.txt files.
Robots.txt Blocked Percentage
Country of Origin
Robots.txt Blocking Trend
1% of top websites block SemrushBot-SI in their robots.txt files.
Overall SEO Crawler Traffic
2.2% of all web traffic came from SEO crawlers.
Top Visited Website Categories
The types of websites most frequently visited by SemrushBot-SI.
Frequently Asked Questions
Should I Block SemrushBot-SI?
Consider blocking SemrushBot-SI only if you do not want your pages included in SEO databases. It does not influence how search engines rank you, and blocking it will not hide backlinks to your site because those are discovered on the linking sites. For context, 1% of the top websites we track currently have robots.txt rules for SemrushBot-SI.
Does SemrushBot-SI Follow Robots.txt Rules?
Yes. SemrushBot-SI is expected to follow robots.txt directives, so a disallow rule is the appropriate first step. Automatic Robots.txt can add and maintain that rule, while Agent Analytics lets you verify whether SemrushBot-SI respects it.
Does SemrushBot-SI Access Private Content?
No. SemrushBot-SI can reach only public pages, and authentication prevents it from accessing private content.
Why Is SemrushBot-SI Visiting My Website?
Your domain appears in the ranking, backlink, or competitor data maintained by SemrushBot-SI's operator. A customer may be tracking your site, one of your competitors, or a backlink that connects another site to yours.
How Can I Tell if SemrushBot-SI Is Visiting My Website?
Agent Analytics tracks SemrushBot-SI visits in real time alongside every other known AI agent, crawler, and scraper. You can also check your server logs for requests whose user-agent string contains "SemrushBot-SI". Look for comprehensive site crawls that follow internal links. Because SemrushBot-SI does not publish a verification method, any client can claim its identity and a log match is only a clue.