Duke.edu Duke University

Duke.edu Quick Summary

Status

Online

Server IP address resolved: Yes

Http response code: 200

Response time: 0.55 sec.

Last Checked: 04/24/2024

Duke.edu traffic estimate is about 35,665 unique visitors and 156,569 pageviews per day. The approximated value of duke.edu is 2,062,980 USD. Every unique visitor makes about 4.39 pageviews on average.

Alexa Traffic Rank estimates that duke.edu is ranked number 539 in the world, while most of its traffic comes from United States, where it occupies as high as 975 place.

It’s good for duke.edu that their hosting company DUKE-INTERCHANGE - Duke University, US is located in United States, as that provides the majority of their visitors to benefit from the faster page load time. See the list of other websites hosted by DUKE-INTERCHANGE - Duke University, US.

Duke.edu is registered under .EDU top-level domain. Check other websites in .EDU zone.

During the last check (November 28, 2019) duke.edu has an expired SSL certificate issued by Internet2 (expired on May 28, 2020), please click the “Refresh” button for SSL Information at the Safety Information section. Check other websites using SSL certificates issued by Internet2.

In accordance with Google Safe Browsing, Google Safe Search, Symantec and Web of Trust duke.edu is pretty a safe domain.

Relying on Google Mobile-Friendly test duke.edu is well optimized for mobile and tablet devices.

Duke.edu General Information

Duke.edu Audience Geography

Where are website visitors coming from?

Visitors
Pageviews
Ranks

Country	Visitors
United States US	66.5%
China CN	7.2%
India IN	5.4%
Japan JP	2.5%
United Kingdom GB	1.5%
Canada CA	1.2%
Korea KR	0.8%
South Africa ZA	0.8%
Taiwan TW	0.7%
Other	13.2%

Country	Rank
Ethiopia ET	942
United States US	975
Nigeria NG	3963
Philippines PH	4118
South Africa ZA	4401
Canada CA	5915
India IN	5986
China CN	6498
Taiwan TW	6521
Korea KR	6599
Australia AU	8289
United Kingdom GB	8982

Duke.edu Traffic Distribution

Where do visitors go on duke.edu?

Subdomain Traffic
Views per User
Subdomain Reach

Subdomain	Pageviews
oit.duke.edu	20.48%
sakai.duke.edu	13.29%
fuqua.duke.edu	4.65%
siss.duke.edu	4.45%
duhs.duke.edu	4.24%
cs.duke.edu	2.41%
law.duke.edu	2.25%
sites.duke.edu	1.99%
library.duke.edu	1.65%
other	44.61%

Subdomain	Views per User
biochem.duke.edu	30
evolutionaryanthropology.duke.edu	10
sakai.duke.edu	8.9
extend.duke.edu	7
dukelist.duke.edu	6.9
duhs.duke.edu	6.9
software.duke.edu	6.6
psychandneuro.duke.edu	5.9
iris.duke.edu	5.4
tip.duke.edu	5.3
other	2.29

Subdomain	Reach
oit.duke.edu	34.71%
siss.duke.edu	8%
dukehub.duke.edu	7.68%
fuqua.duke.edu	7.57%
sakai.duke.edu	7.29%
cs.duke.edu	6.47%
people.duke.edu	5.67%
law.duke.edu	4.4%
sites.duke.edu	4.25%
library.duke.edu	4.08%
other	78.39%

Duke.edu Popularity

How popular is duke.edu?

Global Rank
Pageviews
Reach

Period	Global Rank	Global Rank Delta
past 3 months	4268	1413
past month	3986	-395
past week	3460	-653
yesterday	3077	74

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	3730	1528	201	-41.78%	4.39	-17.64%
30	3296	-671	225	17%	4.86	14%
7	2276	-1365	317	55%	6.4	44%
1	1667	4	422	-2.06%	8.2	1%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	4870	1378	170	-29.34%
30	4727	-245	171	3%
7	4399	-323	180	8%
1	4197	149	200	-3.51%

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Duke.edu Safety Information

Rankchart Summary

Safe

Updated: 04/24/2024

We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.

Norton Connect Safe

Safe

Updated: 03/21/2024

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Norton ConnectSafe evaluates websites for any unsafe and inapropriate content. The results are important for families with young children.

Google Safe Search

Safe

Updated: 10/10/2016

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SafeSearch works as a parental control tool to filter out any content that might be inappropriate for your children.

Google Safe Browsing

Safe

Malware not found

Phishing not detected

Unwanted software not found

Harmfull applications not found

Updated: 01/09/2019

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Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.

McAfee® WebAdvisor

Safe

Updated: 02/22/2021

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McAfee assesses duke.edu for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze duke.edu for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Child safety is very good

Updated: 01/09/2019

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The WOT calculates reputation of the duke.edu. This reputation system receives ratings from users and information from third-party sources, assesses the duke.edu for safety features and confirms, whether duke.edu is suitable for children.

Duke.edu SSL Information

Information about SSL/TLS certificates

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Domain	duke.edu
Issuer Organization	Internet2
Issuer	InCommon RSA Server CA
Algorithm	RSA-SHA256
Valid form	05/29/2018
Expiration	05/28/2020
Signed	Certificate is not self signed
Additional Domains	duke.edu www.duke.edu

SSL Checker

Duke.edu Server Information

Duke.edu Server Location

Where website hosting server is located?

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Duke.edu ASN Information

Information about IP address owner

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ASN ID: 13371

ASN Title: DUKE-INTERCHANGE - Duke University, US

Updated: 09/25/2023

Raw ASN data:

Geolocation

ASN Lookup

Duke.edu Domain Name Information

Duke.edu DNS Information

Domain name service records

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A
MX
NS
TXT
SOA

Host	A Record	TTL
duke.edu	152.3.72.197	300

Host	MX Record	Priority	TTL
duke.edu	mx.oit.duke.edu	10	21600

Host	NS Record	TTL
duke.edu	dns-auth-01.oit.duke.edu	21600
duke.edu	dns-nc1-01.oit.duke.edu	21600
duke.edu	dns-auth-02.oit.duke.edu	21600

Host	TXT Record	TTL
duke.edu	adobe-sign-verification=8c1cf31e238f6042bd9a6e8424ecd7af	3600
duke.edu	ciscocidomainverification=2d1dd96a4eb257ed827359fa052171ab2c46910868187a2bc9365f496904b651	3600
duke.edu	amazonses:kvjwShx2VuYQZKM31gjyJ9z5IWLmFmkF2BSfMHV5j2I=	3600
duke.edu	91TR4AEZ87EVJCSEOKTFQJ1KGWHDG7PQ4T52XL7YQ	3600
duke.edu	MS=ms29427067	3600
duke.edu	google-site-verification=VTUhJp3AMqjMfqUIY6tdlBsNKZLr-E_D0oN0Z96EW_E	3600
duke.edu	webexdomainverification.DW7B=b34c0222-460e-4621-bb5b-7ce6ee15ead2	3600
duke.edu	VqIKTw/sDnE4e+9lXPalJqYaTtomECjG0+6XKvd2Nhfkaw8aAfgvcZjlAshHEjspbTHBtw4hhkk5X1ITTvdWxw==	3600
duke.edu	v=spf1 ip4:152.3.0.0/16 ip4:152.16.0.0/16 ip4:67.159.64.0/18 ip4:139.60.0.211 include:spf.protection.outlook.com ?all	3600
duke.edu	facebook-domain-verification=z3gz759ai6md22t5oavjekfy06n11r	3600
duke.edu	adobe-idp-site-verification=76438831-136f-42eb-8467-627bcd13bec6	3600
duke.edu	webexdomainverification.DW7A=3d54276f-7c3e-4b36-82cb-f9283bd66232	3600

Duke.edu Whois Information

Information about registered users or assignees of an Internet resource

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Raw WHOIS data:

Whois

DNS Lookup

Duke.edu HTML Validation

Duke.edu W3C HTML Markup Validation

HTML markup errors and warnings

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Errors:

A “link” element with a “sizes” attribute must have a “rel” attribute that contains the value “icon” or the value “apple-touch-icon”.

Bad value “navigation” for attribute “role” on element “ul”.

No space between attributes.

Start tag “a” seen but an element of the same type was already open.

Stray end tag “a”.

Element “span” not allowed as child of element “time” in this context. (Suppressing further errors from this subtree.)

The text content of element “time” was not in the required format: The literal did not satisfy the time-datetime format.

Element “img” is missing required attribute “src”.

Warnings:

The “navigation” role is unnecessary for element “nav”.

The “banner” role is unnecessary for element “header”.

The “contentinfo” role is unnecessary for element “footer”.

HTML Validator

Duke.edu Desktop Performance

How Well Duke.edu Performs On Desktops?

Website desktop performance and usability tips

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Speed
Resource Breakdown

Speed

46%

Optimize images

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Leverage browser caching

Updated: 12/02/2019

Duke.edu Mobile Performance

How Optimized Is Duke.edu for Mobile Devices?

Tips on speeding up mobile site performance

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Usability
Speed
Resource Breakdown

Usability

99%

Size tap targets appropriately

Updated: 05/24/2017

Duke.edu Nearest Competitors

Estimated Nearest Competitors Of Duke.edu

usc.edu
m*******e.com
appspot.com
iana.org
timesofindia.indiatimes.com
on.ca
freebsd.org
storage.googleapis.com
mixcloud.com
history.com
duke.edu
fc2.com
a********c.com
newscientist.com
amazon.co.jp
aol.co.uk
ok.ru
go.kr
hatena.ne.jp
ucsd.edu
miitbeian.gov.cn
ufl.edu

Duke.edu URL Typos

Most common user URL mistypes for duke.edu

www.duke.com
www.duke.net
www.duke.org
www.duke.info
www.duke.biz
www.duke.us
www.duke.mobi
www.uke.edu
www.duke.edu
www.xuke.edu
www.dxuke.edu
www.xduke.edu
www.suke.edu
www.dsuke.edu
www.sduke.edu
www.euke.edu
www.deuke.edu
www.eduke.edu
www.ruke.edu
www.druke.edu
www.rduke.edu
www.fuke.edu
www.dfuke.edu
www.fduke.edu
www.cuke.edu
www.dcuke.edu
www.cduke.edu
www.dke.edu
www.dyke.edu
www.duyke.edu
www.dyuke.edu
www.dhke.edu
www.duhke.edu
www.dhuke.edu
www.djke.edu
www.dujke.edu
www.djuke.edu
www.dike.edu
www.duike.edu
www.diuke.edu
www.due.edu
www.duje.edu
www.dukje.edu
www.duie.edu
www.dukie.edu
www.dume.edu
www.dukme.edu
www.dumke.edu
www.dule.edu
www.dukle.edu
www.dulke.edu
www.duoe.edu
www.dukoe.edu
www.duoke.edu
www.duk.edu
www.dukw.edu
www.dukew.edu
www.dukwe.edu
www.duks.edu
www.dukes.edu
www.dukse.edu
www.dukd.edu
www.duked.edu
www.dukde.edu
www.dukr.edu
www.duker.edu
www.dukre.edu

Total Resources	40
Number of Hosts	6
Static Resources	36
JavaScript Resources	4
CSS Resources	3

CSS	341.0 KBytes
Images	2.0 MBytes
HTML	94.8 KBytes
JavaScript	577.6 KBytes
Other	93.0 Bytes

Total Resources	26
Number of Hosts	5
Static Resources	21
JavaScript Resources	3
CSS Resources	2

CSS	139.8 KBytes
Images	1.4 MBytes
HTML	102.3 KBytes
JavaScript	310.5 KBytes
Other	93.0 Bytes