AI readiness of duo.com: 100/100

100/100

We checked duo.com on 2026-10-18 with our free checker: six scored tests plus evidence for each finding. The score reflects the site on that date. The site may have changed after that date.

Test	Result	Points
llms.txt	Yes	15 of 15
JSON-LD schema on the homepage	Yes	20 of 20
Meta description	Yes	10 of 10
Text readable without JavaScript	Yes	20 of 20
Sitemap	Yes	10 of 10
AI crawlers allowed in robots.txt	8 of 8	25 of 25

Compared with Security

duo.com ranks 1 of 16 security sites in this scan (ties share the order by domain name). The median score in this group is 85. 10 of 16 have an llms.txt file.

Findings with evidence

ImproveJSON-LD: 5 blocks, types Organization, ImageObject, ContactPoint, Thing, WebSite, SoftwareApplication, Offer, WebPage, Review, Product, Brand, Person

Organization is missing recommended logo. Person is missing recommended url. Organization is missing recommended url, logo, sameAs.

Fix: Fix the listed properties, then retest at validator.schema.org.

ImproveServer responded in 1152 ms

Time to response headers from our checker. Final URL: https://duo.com/

Fix: Slow responses can make crawlers give up. Add page caching or a CDN in front of the homepage.

19 checks passed or noted

PassGPTBot (OpenAI, training): allowed on /

User-agent: *
Disallow: /sitemap.xsl
Group "*" has no rule for /.

PassOAI-SearchBot (OpenAI, ChatGPT search): allowed on /

User-agent: *
Disallow: /sitemap.xsl
Group "*" has no rule for /.

PassChatGPT-User (OpenAI, live fetch for users): allowed on /

User-agent: *
Disallow: /sitemap.xsl
Group "*" has no rule for /.

PassClaudeBot (Anthropic, training): allowed on /

User-agent: *
Disallow: /sitemap.xsl
Group "*" has no rule for /.

PassClaude-SearchBot (Anthropic, Claude search): allowed on /

User-agent: *
Disallow: /sitemap.xsl
Group "*" has no rule for /.

PassPerplexityBot (Perplexity, search index): allowed on /

User-agent: *
Disallow: /sitemap.xsl
Group "*" has no rule for /.

PassGoogle-Extended (Google, Gemini training control): allowed on /

User-agent: *
Disallow: /sitemap.xsl
Group "*" has no rule for /.

PassCCBot (Common Crawl, open dataset): allowed on /

User-agent: *
Disallow: /sitemap.xsl
Group "*" has no rule for /.

Passllms.txt found and well formed

First line: "# Cisco Duo". 4 ## sections, 388 links, 98911 bytes.

NoteNo llms-full.txt

GET /llms-full.txt returned 404.

Fix: Optional: publish /llms-full.txt with the full text of key pages for tools that want more than a map.

PassTitle, 64 characters

<title>IAM & MFA Identity Security for Business, Humans, AI | Cisco Duo</title>

PassMeta description, 151 characters

content="Cisco Duo secures workforce access and defends against advanced identity threats with IAM, phishing-resistant MFA, SSO, passwordless, and device trust."

PassOpen Graph tags present

og:title: IAM & MFA Identity Security for Business, Humans, AI | Cisco Duo
og:description: Cisco Duo secures workforce access and defends against advanced identity threats with IAM…
og:image: https://duo.com/assets/img/seo-images/social-share-home.jpg

PassCanonical link set

<link rel="canonical" href="https://duo.com">

PassLanguage declared: en

<html lang="en">

Pass1 H1 heading

<h1>You know our MFA. Meet our IAM.</h1>

Pass7,933 characters of text without JavaScript

Text starts: "IAM & MFA Identity Security for Business, Humans, AI | Cisco Duo Skip navigation Search Support Admin Login Products A comprehensive overview of Duo's product …"

PassSitemap found, 8 child sitemaps

robots.txt: Sitemap: https://duo.com/sitemap_index.xml
GET https://duo.com/sitemap_index.xml returned 200.

PassHTML size 130 KB, 12 script tags

1 render-blocking script in <head>: https://www.cisco.com/c/dam/cdc/t/ctm-core.js

Fix: Add defer or async to scripts in <head> that are not needed for first paint.

Is this your site? Run a fresh free check. Get the $19 deep report (up to 25 pages, 18 AI agents per path), or add an AI-ready badge after your check.

Scoring: llms.txt 15, JSON-LD 20, meta description 10, readable text 20, sitemap 10, AI crawler access 25. Want this page changed or removed? Email [email protected].

AI crawler and llms.txt updates

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