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duo.com

duo.com had about 865.9K visits in September 2026, down 13.60% from August; the top source is direct.

IAM & MFA Identity Security for Business, Humans, AI | Cisco Duo

Website traffic

How much traffic does duo.com get?

865.9K

-13.60%MoMEstimated monthly visits
7891.19M791.82K395.91K0
Global rank

66,162

Country rank · United States

21,141

Category rank · Computer Security

63

Average visit duration

01:10

Pages per visit

2.18

Bounce rate

51.64%

Domain age

28 years

Search share

38.3%

Sources

Where does duo.com's traffic come from?

  • Direct
    39.3%
  • Search
    38.3%
  • Referrals
    8.4%
  • Paid search
    6.4%
  • Social
    2.9%
  • Display ads
    2.8%
  • Email
    1.4%
  • Generative AI
    0.6%
  • Other
    0.0%

Regions

Which countries visit duo.com?

  • United States
    69.4%
  • Canada
    3.8%
  • India
    2.0%
  • United Kingdom
    1.9%
  • Brazil
    1.4%

See how duo.com compares with the most visited websites in the world, the fastest growing websites and sites gaining organic search traffic.

Search visibility

What keywords send traffic to duo.com?

Keyword samples

Estimated visitsMonthly searchesVisits ÷ searches
  1. iphone duoBRAND94.92K7.21M1%
  2. duoBRAND46.39K374.17K12%
  3. duo mobileBRAND20.01K31.94K63%
  4. duo securityBRAND16.98K24.02K71%
  5. authenticator6.12K266.56K2%

Keyword rankings

Keyword rankings

Example · google.comUnited States · English

86.4M

Search estimate

New 1 · Up 2

Ranking keywords
12,400
Landing pages
4
Search competitors
4
AI citations
2
PositionEstimated visits
  1. google#142M
  2. gmail#118.2M
  3. google maps#19.4M
  4. google drive#14.1M

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Baidu rank

Site profile

What does duo.com show publicly?

  • HTTP 200
  • Email authentication
  • Hosting ASN
HTTP
200
Page size
130.1 KiB
Hosting
AMAZON-02 · AS16509
Email authentication
SPF · DMARC reject
TLS
TLSv1.3 · 57 days
Page and SEOSchema 12
Title
IAM & MFA Identity Security for Business, Humans, AI | Cisco Duo
Description
Cisco Duo secures workforce access and defends against advanced identity threats with IAM, phishing-resistant MFA, SSO, passwordless, and device trust.
Cross-origin redirect
No
Word count
1,164
Internal / external links
70 / 11
Canonical
https://duo.com/
Language
en
H1 / H2
1 / 22
Images missing alt
0 / 33
Schema
Brand · ContactPoint · ImageObject · Offer · Organization · Person · 6 more
OG / Twitter
OG · Twitter
Technology and tracking
External script hosts
cisco.com · fast.wistia.com
Social links
facebook.com · x.com · youtube.com · instagram.com · linkedin.com
Server
Duo/1.0
Security headers
4 / 6
HSTS / CSP
HSTS · CSP
Email and DNS securitySet
SPF
Set
DMARC
Set · reject
DKIM selectors
google · k1 · s1 · s2
IPv6
No AAAA
CAA issuers
amazon.com · amazonaws.com · amazontrust.com · awstrust.com · 6 more
Site verification TXT
Apple · Google
SOA
ns-55.awsdns-06.com
NS
ns-1365.awsdns-42.org. · ns-1733.awsdns-24.co.uk. · ns-55.awsdns-06.com. · 1 more
MX
10 alln-mx-01.cisco.com. · 20 rcdn-mx-01.cisco.com. · 30 aer-mx-01.cisco.com.
Hosting and networkAS16509
A
3.173.219.66 · 3.173.219.52 · 3.173.219.64 · 3.173.219.105
Hosting ASN
AS16509 · 3.173.219.0/24
Hosting organization
AMAZON-02 - Amazon.com, Inc.
Hosting country
US
BGP announcement
Yes
Reverse DNS
server-3-173-219-66.nrt20.r.cloudfront.net
TLS
TLSv1.3 · Verified
Certificate issuer
Amazon RSA 2048 M04
Certificate remaining
57 days
Certificate SAN
DNS:www.duosecurity.com · DNS:duosecurity.co.uk · DNS:fr.duo.com · DNS:www.duosecurity.co.uk · 4 more
robots and AI crawlingHTTP 200
Robots.txt
200
Global Disallow /
No
Sitemap
Index · 8
AI explicitly disallowed
0
AI explicitly allowed
0
Well-known public paths2 hits
Present / checked
2 / 5
/llms.txt
Present · 64.0 KiB
/.well-known/security.txt
Present · 226 B
llms summary
> Cisco Duo provides cloud-delivered identity security, including phishing-resistant multi-factor authentication (MFA), single sign-on (SSO), device trust, and identity threat dete
security summary
Contact: psirt@cisco.com · Encryption: https://tools.cisco.com/cscrdr/security/center/files/Cisco_PSIRT_0BE0457A.asc · Policy: https://duo.com/about/security-and-reliability/securi

Website information

When was duo.com registered?

Domain
duo.com
Registration status
Domain registered
Registered
1998-10-14
Registrar
MarkMonitor Inc.
Expires
2027-10-13
Domain age
28 years
DNSSEC
No
Registry status
client delete prohibited · client transfer prohibited · client update prohibited

Similar sites

What sites are similar to duo.com?

Website reports in the same category, with nearby monthly visits.

What's in this report

The report starts with a whole-site monthly visit estimate. Search visibility and public site facts follow when they exist.

  • Website traffic is a modeled whole-site estimate, with a source, observation period and confidence.
  • Search visibility is ranking keywords and search traffic, listed separately from whole-site visits.
  • Missing or partial values stay marked in the report.