What is MBCrawler?
MBCrawler is an SEO crawler operated by SEOptimer that visits websites as part of the MonitorBacklinks service. The bot analyzes backlinks and SEO data to help website owners track their link profiles and monitor backlink performance. Agent Analytics can track when it visits your website.
Overview
| Operated By | SEOptimer |
| 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
MBCrawler 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.
MBCrawler's User Agent
| User Agent | MBCrawler/1.0 (https://monitorbacklinks.com/robot) |
How To Block MBCrawler With Robots.txt
Add this rule to your robots.txt file to block MBCrawler 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: MBCrawler # https://knownagents.com/agents/mbcrawler
Disallow: /Global Statistics for MBCrawler
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 MBCrawler in their robots.txt files.
Overall SEO Crawler Traffic
2.2% of all web traffic came from SEO crawlers.
Frequently Asked Questions
Should I Block MBCrawler?
Consider blocking MBCrawler 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 MBCrawler.
Does MBCrawler Follow Robots.txt Rules?
Yes. MBCrawler 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 MBCrawler respects it.
Does MBCrawler Access Private Content?
No. MBCrawler can reach only public pages, and authentication prevents it from accessing private content.
Why Is MBCrawler Visiting My Website?
Your domain appears in the ranking, backlink, or competitor data maintained by MBCrawler'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 MBCrawler Is Visiting My Website?
Agent Analytics tracks MBCrawler 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 "MBCrawler". Look for comprehensive site crawls that follow internal links. Because MBCrawler does not publish a verification method, any client can claim its identity and a log match is only a clue.