duosecurity.com llms.txt
In short
duosecurity.com serves a 261 KB llms.txt with 1,122 links. The crawl kept and parsed the first 60 KB of it, which holds 2 H2 sections, graded C on the llmstxt.org structure (4 of 6 checks). It lacks same-site links and a size under 100 KB.
llms.txt parsed the first 60 KB of a 261 KB file
# Cisco Duo
> Cisco Duo provides cloud-delivered identity security, including phishing-resistant multi-factor authentication (MFA), single sign-on (SSO), device trust, and identity threat detection capabilities.
Duo Security is part of Cisco. This file lists all public pages on duo.com organized by content type. Each link includes a brief description of the page content.
## Pages
- [IAM & MFA Identity Security for Business, Humans, AI](https://duo.com/index.md): Cisco Duo secures workforce access and defends against advanced identity threats with IAM, phishing-resistant MFA, SSO, passwordless, and device trust.
- [About Duo Security: Explore Identity Solutions](https://duo.com/about.md): Learn how Duo Security leads with trust to deliver simple, powerful identity protection. From MFA to device trust, we help stop identity-based attacks.
- [Contact Duo for Support and Sales Solutions](https://duo.com/about/contact.md): Connect with Duo Security to find the best identity security solution for your organization. Our experts are here to answer questions and guide you.
- [Contact Duo for Support and Sales Solutions](https://duo.com/about/contact-chat-not-available.md): Connect with Duo Security to find the right identity protection for your organization. Get expert guidance and answers to your identity security questions.
- [About Duo Security Products, Solutions, Use Cases, Benefits, and More](https://duo.com/about/duo-security-explainer.md): Learn about Cisco Duo, a leading provider of identity access management (IAM) and multi-factor authentication (MFA) security solutions on a cloud-delivered platform.
- [Duo Blog: Discover Security Insights and News](https://duo.com/blog.md): Explore the Duo Blog for expert tips, security insights, and resources to stay updated on the latest in security and access management trends.
- [CISO Perspectives: Is Identity in Crisis?](https://duo.com/ciso.md): Secure your enterprise with Cisco Duo. Explore expert CISO insights, Zero Trust strategies, and AI-ready identity security to protect your autonomous workforce.
- [Experience Duo With Interactive Demos](https://duo.com/demos.md): Explore interactive demos of Duo's security solutions. See how MFA, access management, & identity security work. Simple security solutions.
- [Cisco Secure Endpoint](https://duo.com/demos/cisco-secure-endpoint.md): Continuously verify trust and automate the response workflow to prevent compromised devices from accessing Duo-protected applications.
- [Setting Up an Access Policy](https://duo.com/demos/device-health-access-policy.md): Implement device health access policies. Ensure only trusted devices connect to your network. Enhance endpoint security.
- [Download and Install Duo Desktop](https://duo.com/demos/download-and-install-duo-desktop.md): Learn to download & install Duo Desktop. Secure your endpoints & enhance device trust with easy setup. Get started protecting your devices.
- [Duo Desktop Authentication Demo](https://duo.com/demos/duo-desktop-authentication.md): Explore the Duo Desktop Authentication demo to see how users securely enroll and approve login requests right from their computer[…]no phone needed.
- [Duo for Windows Logon](https://duo.com/demos/duo-for-windows-logon.md): Secure your Windows Logon with Duo. Implement MFA for desktop access & protect your workstations. Enhance your Windows security.
- [Duo MFA for Cisco AnyConnect](https://duo.com/demos/duo-mfa-for-cisco-anyconnect.md): See Duo MFA for Cisco AnyConnect. Enhance your VPN security & protect remote access with […] multi-factor authentication.
- [Duo Mobile as Trusted](https://duo.com/demos/duo-mobile-as-trusted.md): Use Duo Mobile as a trusted device. Enhance mobile security & simplify authentication. Protect your on-the-go access.
- [Duo Demo | Duo Universal Prompt](https://duo.com/demos/duo-universal-prompt.md): Experience the Duo Universal Prompt. Simplify MFA for users & enhance authentication workflows. Improve your security experience.
- [Log In With a Healthy Device](https://duo.com/demos/log-in-with-duo-desktop.md): Learn to log in securely with Duo Desktop. Experience […] & protected desktop authentication. Improve user experience.
- [Interactive Demo of Multi-Factor Authentication (MFA) with Duo Push](https://duo.com/demos/multi-factor-authentication-mfa-with-duo-push.md): This step-by-step demo of Duo’s MFA solution shows how easy it is to ensure only trusted users and devices access your applications.
- [Duo Product Demo | Secure Single Sign-On](https://duo.com/demos/setting-up-cloud-based-sso.md): Learn to set up cloud-based SSO easily. See how to […] access & enhance security for your cloud applications. Watch the demo!
- [Guided User Self-Remediation](https://duo.com/demos/system-self-remediation.md): See system self-remediation in action. Automate security fixes & reduce manual effort. Improve your IT operations. Watch the demo.
- [Trusted Endpoints](https://duo.com/demos/trusted-endpoints.md): Implement trusted endpoints for secure access. Ensure only compliant devices connect to your network. Watch the demo and strengthen your security.
- [User Self-Remediation Demo](https://duo.com/demos/user-self-remediation.md): See user self-remediation in action. […] users to resolve access issues & reduce IT burden. Improve efficiency.
First 29 of 247 lines. 5 spans shown as […] because the words or characters in them are rejected by this site's own style rules; the live file has them.
Parse graded C, 4 of 6
file: https://duosecurity.com/llms.txt
Cisco Duo
Cisco Duo provides cloud-delivered identity security, including phishing-resistant multi-factor authentication (MFA), single sign-on (SSO), device trust, and identity threat detection capabilities.
2 sections, 1,122 links, no Optional section.
Ora's cached score: not scored (read 5 November 2026).
The parse
The crawl recorded 1,122 links in the whole 261 KB file but kept only its first 60 KB, which is what is parsed here. In that part, 235 links appear: 0 point at duosecurity.com or a relative path, 235 point elsewhere. The hosts it links most: duo.com (235).
| H2 section | Links |
|---|---|
| Pages | 185 |
| Blog | 50 |
Grade against the llmstxt.org structure
The file passes 4 of 6 checks and fails 2: at least 80 percent of links point at the same site; under 100 kb. The grade is the count of passed checks: six is A, five is B, four is C, three is D, fewer is F. It measures structure only. Whether any agent reads the file is a separate question, covered on the llms.txt reference.
| Check | Result | Detail |
|---|---|---|
| Starts with an H1 naming the site or project | Pass | H1: Cisco Duo |
| Has a blockquote summary under the H1 | Pass | Blockquote summary found. |
| Has at least one H2 section that lists links | Pass | 2 H2 sections, 2 with links. |
| At least 80 percent of links point at the same site | Fail | 0 of 235 links stay on duosecurity.com (0 percent). |
| Under 100 KB | Fail | 266931 bytes as served. |
| Plain markdown, no HTML | Pass | No HTML document markers in the body. |
Ora's cached score
Not scored by Ora. GET ora.ai/api/score/duosecurity.com answered 404 DOMAIN_NOT_SCANNED on 5 November 2026, so Ora holds no cached score for this domain. This site asked for a cached score only and never requested a scan. A scan by the site's owner would add one.
Linking and the companion file
The home page of duosecurity.com does not link the file in its HTML. Ora's lab found (2026-10-19) that 86 percent of llms.txt fetches by agents arrived through a link, so an unlinked file is mostly a file nobody opens. No llms-full.txt was found at the same root.
How it compares
At 261 KB the file is larger than 97 percent of the 2,529 plain-text llms.txt files in this edition, and its 1,122 links put it ahead of 97 percent of them on link count. The home page declares no generator. Size bucket: 100 KB and over. Tranco rank 2,825. Category: Top 10,000, no category.
Live file: https://duosecurity.com/llms.txt. Read 4 November 2026. If the file has since changed or gone, the live URL is the authority; this page records what the crawl read on that date.
Sources
- duosecurity.com llms.txt https://duosecurity.com/llms.txt, read 4 November 2026
- llms.txt proposal (llmstxt.org) https://llmstxt.org/, read 4 November 2026
- Tranco list 746WX (crawl universe) https://tranco-list.eu/list/746WX, read 4 November 2026
- Ora: AgentReady launch post (the 86 percent finding) https://ora.ai/blog/agentready-launch, read 4 November 2026
- Ora llms.txt (GET /api/score/{domain} looks up a cached score) https://ora.ai/llms.txt, read 5 November 2026
Last reviewed 5 November 2026