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What is Cloudtrellis?

Direct Answer: Cloudtrellis bot scans websites for broken links, accessibility issues, and SEO improvements, operated by Cloudtrellis.

Operator: Cloudtrellis Type: Monitoring Bot Purpose: Website monitoring and error detection

The Cloudtrellis bot is a website scanning and error detection tool designed to find issues that a user navigating through a web browser would encounter. It simulates a desktop browser using a user agent string and crawls across multiple pages to detect broken links and other issues in HTML. The bot sends HTTP requests using both HEAD and GET methods.

User-Agent Identification

The following user-agent strings identify Cloudtrellis in your live traffic data:

  • Cloudtrellis/X.X
  • Cloudtrellis/1.0
  • Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Cloudtrellis/1.0; +https://www.cloudtrellis.com/robot) Chrome/126.0.6478.126 Safari/537.36
  • Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Cloudtrellis/1.0) Chrome/126.0.6478.126 Safari/537.36

robots.txt Rules for Cloudtrellis

Respects robots.txt: Yes

Use the following robots.txt rules to control Cloudtrellis access:

# Block Cloudtrellis
User-agent: Cloudtrellis
Disallow: /

# Allow Cloudtrellis
User-agent: Cloudtrellis
Allow: /

Robots.txt is a directive, not a barrier

Cloudtrellis states that Cloudtrellis respects robots.txt. However, configuration mistakes, caching delays, and edge cases mean your directives may not always be followed as expected. Live traffic verification confirms whether Cloudtrellis actually obeys your rules in practice.

Need continuous verification across 500+ bots? Can AI See It automates this.

Crawl Behavior

Frequency:On-Demand

Request Pattern:Crawls Across Multiple Pages, Requests Linked Files, Sitemap.Xml, And Robots.Txt

Official Documentation Quotes

"The Cloudtrellis bot is not a web scraper. The bot does not store any data about the content of a page for the purposes of indexing or populating search engines."

Crawl Activity Index

Relative crawl activity for Cloudtrellis over the past 28 days. Higher values indicate increased crawling intensity compared to the period baseline.

View recent activity data (last 7 days)
Date Activity Index
Mar 28, 2026 0.0
Mar 29, 2026 2.1
Mar 30, 2026 0.0
Mar 31, 2026 0.0
Apr 1, 2026 0.0
Apr 2, 2026 0.0
Apr 3, 2026 0.0

Source: Cloudflare Radar

Why track Cloudtrellis traffic?

Distinguish monitoring traffic from real crawler activity. Cloudtrellis checks your site availability at regular intervals. Without proper identification, these requests can inflate your bot traffic metrics and distort crawl analysis.

Validate monitoring coverage. Track which pages Cloudtrellis checks and how frequently, so your monitoring setup matches your infrastructure requirements.

Log Verification

To verify Cloudtrellis traffic in your live traffic data:

  1. Search access logs for the user-agent strings listed above
  2. Check if the IP addresses match documented ranges (if provided by Cloudtrellis)
  3. Verify the crawl pattern matches documented behavior
  4. Use reverse DNS lookup for additional verification if available

IP Verification: Cloudtrellis provides official IP verification via Published IP addresses, Reverse DNS lookup. View verification instructions →

IP addresses are updated dynamically

Note: Observed behavior in production environments may differ from official documentation. Live traffic monitoring provides the only reliable verification of actual bot behavior.

Undocumented Information

The following information is not officially documented for Cloudtrellis:

  • crawl delay

Official Documentation

View Official Cloudtrellis Documentation →

Information sourced from official documentation. Content generated with AI assistance.