Nih.gov National Institutes of Health (NIH) | Turning Discovery Into Health

Official website of the National Institutes of Health (NIH). NIH is one of the world's foremost medical research centers. An agency of the U.S. Depart...

Online Status
Offline

Server IP address resolved: No
Http response code: None
Last Checked: 01/22/2025

Nih.gov attracts 2,292,426 unique visitors daily, generating 7,450,384 pageviews. The estimated value of nih.gov is 97,898,387 USD. Each visitor views approximately 3.48 pages on average.

According to Majestic's traffic estimates, nih.gov ranks 42 globally, with the majority of its visitors coming from China, where it holds the 59 position.

Nih.gov is hosted by NIH-NET - National Institutes of Health, US in United States; however, migrating the server to China could further improve page load times for the majority of users.

See the list of other websites hosted by NIH-NET - National Institutes of Health, US.

Nih.gov is registered with the .GOV top-level domain. Explore additional websites within the .GOV zone.

A recent examination on (February 06, 2023), indicates that nih.gov has an expired SSL certificate issued by GoDaddy.com, Inc. (expired on February 15, 2023). Click the "Refresh" button in the Safety Information section for updated SSL details. See the list of websites using SSL certificates issued by GoDaddy.com, Inc..

According to Google Safe Browsing, Google Safe Search, Symantec and Web of Trust nih.gov appears to be a safe domain.

Based on Google's Mobile-Friendly test, nih.gov is optimized for mobile and tablet devices.

Global Rank
99
Average Load Time
1.60sec
Links In Count
292,118
Website Value
$91.5 M

Audience Geography. Where are nih.gov visitors located?

Country Pageviews
China China CN40.1%
United States United States US18.4%
India India IN5.1%
United Kingdom United Kingdom GB2.2%
Australia Australia AU1.8%
Korea Korea KR1.7%
Spain Spain ES1.7%
Canada Canada CA1.7%
Germany Germany DE1.6%
Other25.9%

Where do visitors go on nih.gov?

Subdomain Pageviews
nlm.nih.gov		94.3%
nih.gov		0.51%
nhlbi.nih.gov		0.47%
era.nih.gov		0.46%
niddk.nih.gov		0.4%
nia.nih.gov		0.31%
nida.nih.gov		0.3%
nimh.nih.gov		0.3%
od.nih.gov		0.26%
other		2.7%
Subdomain Pageviews per User
irtsectraining.nih.gov		90
era.nih.gov		6.3
nlm.nih.gov		3.07
nibib.nih.gov		2.6
reporter.nih.gov		2.3
grants.nih.gov		2.1
auth.nih.gov		1.9
od.nih.gov		1.8
imagej.nih.gov		1.7
nimh.nih.gov		1.6
other		1.28
Subdomain Reach
nlm.nih.gov		93.31%
nhlbi.nih.gov		1.08%
nih.gov		1%
niddk.nih.gov		0.94%
nia.nih.gov		0.62%
nimh.nih.gov		0.58%
nida.nih.gov		0.57%
od.nih.gov		0.44%
auth.nih.gov		0.37%
ninds.nih.gov		0.29%
other		2.72%

How popular is nih.gov?

PeriodGlobal RankGlobal Rank Delta
past 3 months99-60
past month94-4
past week958
yesterday1008
DaysPageviews RankPageviews Rank DeltaPageviews per MillionPageviews per Million DeltaPageviews per UserPageviews per User Delta
90134-117329933%3.2513%
301338341-10.64%3.03-9.821%
715028320-13.96%2.77-10.93%
116225315-12.36%2.7-5.536%
DaysReach RankReach Rank DeltaReach per MillionReach per Million Delta
9099-49363018%
3091-53690-1%
79363710-3.52%
19563800-7.327%
Overview
Last Updated: 01/22/2025
Overall result - nih.gov is safe.
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
Last Updated: 03/08/2024
nih.gov is safe.
Norton ConnectSafe evaluates nih.gov for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 10/10/2016
nih.gov is safe.
SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.
Google Safe Browsing
Last Updated: 03/04/2022
nih.gov is safe.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.
Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.
Site Advisor
Last Updated: 02/22/2021
nih.gov is safe.
McAfee assesses nih.gov 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 nih.gov for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 01/09/2019
nih.gov child safety is very good.
The WOT calculates reputation of the nih.gov. This reputation system receives ratings from users and information from third-party sources, assesses the nih.gov for safety features and confirms, whether nih.gov is suitable for children.
Nih.gov | SSL Certificate Information
SSL Checker Tool
Domainwww.nih.gov
Issuer OrganizationGoDaddy.com, Inc.
IssuerGo Daddy Secure Certificate Authority - G2
AlgorithmRSA-SHA256
Valid form02/15/2022
Expiration02/15/2023
SignedCertificate is not self signed
Additional Domains nih.gov
testdomain2.nih.gov
nih.com
clinicalresearchtrials.nih.gov
stagetestdomain3.nih.gov
www.nih.gov
stagetestdomain2.nih.gov
testdomain.nih.gov
devtestdomain.nih.gov
stagetestdomain.nih.gov
devtestdomain3.nih.gov
nihplainlanguage.nih.gov
www.nih.com
nihrecord.nih.gov
health.nih.gov
devtestdomain2.nih.gov
salud.nih.gov
devtestdomain4.nih.gov
newsinhealth.nih.gov
www.health.nih.gov
stagetestdomain4.nih.gov
Server Location
Geolocation Tool
Nih.gov ASN Information
ASN Lookup Tool

ASN ID: 3527
ASN Title: NIH-NET - National Institutes of Health, US

Last Update: 10/06/2024

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

ASNumber: 3527
ASName: NIH-NET
ASHandle: AS3527
RegDate: 1994-04-06
Updated: 2003-01-02
Ref: https://rdap.arin.net/registry/autnum/3527

OrgName: National Institutes of Health
OrgId: NIH
Address: 6555 Rock Spring Drive
City: Bethesda
StateProv: MD
PostalCode: 20817
Country: US
RegDate:
Updated: 2016-08-02
Ref: https://rdap.arin.net/registry/entity/NIH

OrgNOCHandle: NOC228-ARIN
OrgNOCName: Network Operations Center
OrgNOCPhone: +1-301-402-3141
OrgNOCEmail: NIH-DOMAIN-ADMIN@list.nih.gov
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC228-ARIN

OrgTechHandle: WCB8-ARIN
OrgTechName: Berry, Wilbert Caldwell
OrgTechPhone: +1-301-529-9312
OrgTechEmail: babylon5@mail.nih.gov
OrgTechRef: https://rdap.arin.net/registry/entity/WCB8-ARIN

OrgTechHandle: NDAND-ARIN
OrgTechName: NIH DNS Administrators, NIH DNS
OrgTechPhone: +1-301-435-1970
OrgTechEmail: hostmaster@list.nih.gov
OrgTechRef: https://rdap.arin.net/registry/entity/NDAND-ARIN

OrgAbuseHandle: NIHIR-ARIN
OrgAbuseName: NIH IRT
OrgAbusePhone: +1-301-881-9726
OrgAbuseEmail: irt@nih.gov
OrgAbuseRef: https://rdap.arin.net/registry/entity/NIHIR-ARIN

OrgTechHandle: WML-ARIN
OrgTechName: Lamar, Walter Morgan
OrgTechPhone: +1-301-435-1965
OrgTechEmail: wl49b@nih.gov
OrgTechRef: https://rdap.arin.net/registry/entity/WML-ARIN

OrgTechHandle: GDB8-ARIN
OrgTechName: Botts, Glenn David
OrgTechPhone: +1-240-743-1522
OrgTechEmail: bottsg@mail.nih.gov
OrgTechRef: https://rdap.arin.net/registry/entity/GDB8-ARIN

OrgTechHandle: SLE191-ARIN
OrgTechName: Emma, Saundra L
OrgTechPhone: +1-301-402-4764
OrgTechEmail: emmas@mail.nih.gov
OrgTechRef: https://rdap.arin.net/registry/entity/SLE191-ARIN

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

WHOIS
WHOIS Lookup Tool

% DOTGOV WHOIS Server ready
Domain Name: NIH.GOV
Status: ACTIVE
Security Contact Email: ResponsibleDisclosure@hhs.gov

>>> Last update of whois database: 2022-07-01T14:13:01Z

DNS Records
DNS Lookup Tool
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nihblox5.nih.gov
TTL: 7200
Email address: hostmaster.nih.gov
Serial: 386697
Refresh: 10800
Retry: 1080
Expire: 2592000
Minimum: 900

HTML Validation Tool
Errors
Warnings

Last tested: 10/07/2018

Desktop
Desktop Speed
85%
Desktop Resource Breakdown
Total Resources60
Number of Hosts14
Static Resources47
JavaScript Resources20
CSS Resources11

Last tested: 10/07/2018

Mobile
Mobile Usability
99%
Mobile Speed
67%
Mobile Resource Breakdown
Total Resources59
Number of Hosts14
Static Resources45
JavaScript Resources19
CSS Resources10
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