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...

Nih.gov Overview

NIH.gov is the official website of the National Institutes of Health (NIH), which is an agency of the U.S. Department of Health and Human Services. NIH is renowned for being one of the world's leading medical research centers. The site aims to deliver health information to the public, researchers, medical professionals, patients, and educators.

The website is hosted by NIH-NET, which is part of the National Institutes of Health. NIH.gov is registered under the top-level domain, "GOV," which is reserved solely for use by governmental organizations in the United States. Additionally, the website has an SSL certificate issued by GoDaddy.com, Inc., which means that the site is secure for users to access and browse.

NIH.gov is an extremely family-friendly site that offers a wealth of information on various health topics. It is easy to navigate, and its content is readily available to all visitors.

Regarding its site traffic, it attracts around 2,142,454 unique users daily, who visit the website to explore its resources. These users generate an estimated 7,032,605.255 page views per day.

In terms of optimization, it does well in terms of accessibility, scoring 99 out of 100 points, SEO with 92 points, and best practices scoring 69 points. However, the website scores lower in performance, with 41 out of 100 points in PageSpeed Insights. Despite this, the website seems to load relatively quickly and smoothly.

The website has a header that contains links to various tabs and four dropdown menus, making it easy to find the relevant resources on the site. Users can access information about NIH research, funding opportunities, health information, training, and careers in the health sector.

The homepage presents different sections, highlighting the latest news, relevant research, and featured articles. The site also features a search function, making it easy to find specific content on the site.

In conclusion, NIH.gov is an essential site for anyone looking for credible medical research and health information. The website is well-organized, user-friendly, and aptly optimized; thus, it can be accessed by anyone looking for adequate medical assistance.

Nih.gov Rank Summary

Global Rank

Average Load Time

1.60sec

Links In Count

292,118

Website Value

$91.5 M

Audience Geography. Where are nih.gov visitors located?

Country	Visitors
China CN	34.2%
United States US	21.4%
India IN	6.7%
United Kingdom GB	2.9%
Australia AU	2.3%
Canada CA	1.8%
Germany DE	1.5%
Korea KR	1.1%
Spain ES	1%
Other	27.3%

Country	Pageviews
China CN	40.1%
United States US	18.4%
India IN	5.1%
United Kingdom GB	2.2%
Australia AU	1.8%
Spain ES	1.7%
Korea KR	1.7%
Canada CA	1.7%
Germany DE	1.6%
Other	25.9%

Country	Rank
Ethiopia ET	14
China CN	59
Australia AU	89
United States US	97
Malaysia MY	98
Canada CA	121
United Kingdom GB	121
Netherlands NL	128
Philippines PH	132
Pakistan PK	136
Spain ES	160
South Africa ZA	167

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?

Period	Global Rank	Global Rank Delta
past 3 months	99	-60
past month	94	-4
past week	95	8
yesterday	100	8

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	134	-117	3299	33%	3.25	13%
30	133	8	341	-10.64%	3.03	-9.821%
7	150	28	320	-13.96%	2.77	-10.93%
1	162	25	315	-12.36%	2.7	-5.536%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	99	-49	3630	18%
30	91	-5	3690	-1%
7	93	6	3710	-3.52%
1	95	6	3800	-7.327%

Nih.gov Website Safety

Overview

Last Updated: 07/05/2024

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.

SSL Information

SSL Checker Tool

Domain	www.nih.gov
Issuer Organization	GoDaddy.com, Inc.
Issuer	Go Daddy Secure Certificate Authority - G2
Algorithm	RSA-SHA256
Valid form	02/15/2022
Expiration	02/15/2023
Signed	Certificate 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

Nih.gov Rank History

Alexa Rank shows how popular nih.gov is in comparison with other sites. The most popular site has Alexa Rank equals 1. If nih.gov has Alexa Rank equals 100,000, then it is in TOP 100,000 popular sites in the world. The rank is calculated using a combination of average daily visitors to nih.gov and pageviews on nih.gov over the past 3 months.

Nih.gov Hosting Information

Server Location

Geolocation Tool

ASN Information

ASN Lookup Tool

ASN ID: 3527

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

Last Update: 12/14/2023

#
# 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.
#

Nih.gov Domain Registration and Settings

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

Host	A Record	TTL
nih.gov	156.40.212.210	300

Host	MX Record	Priority	TTL
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nih.gov	nihcesxway5.hub.nih.gov	10	7200

Host	NS Record	TTL
nih.gov	ns.nih.gov	7200
nih.gov	ns3.nih.gov	7200
nih.gov	ns2.nih.gov	7200

Host	TXT Record	TTL
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nihblox5.nih.gov
TTL: 7200
Email address: hostmaster.nih.gov
Serial: 386697
Refresh: 10800
Retry: 1080
Expire: 2592000
Minimum: 900

Nih.gov HTML Check

HTML Validation Tool

Errors

X-UA-Compatible HTTP header must have the value “IE=edge”, was “IE=edge,chrome=IE6”.

A “charset” attribute on a “meta” element found after the first 1024 bytes.

Bad value “cleartype” for attribute “http-equiv” on element “meta”.

Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.

Bad value “//fonts.googleapis.com/css?family=Droid+Sans:700,regular|Droid+Serif:italic,regular&subset=latin” for attribute “href” on element “link”: Illegal character in query: “|” is not allowed.

Duplicate ID “affiliate”.

Duplicate attribute “id”.

Duplicate attribute “class”.

Duplicate attribute “xml:lang”.

Warnings

The “language” attribute on the “script” element is obsolete. You can safely omit it.

The “type” attribute is unnecessary for JavaScript resources.

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

The first occurrence of ID “affiliate” was here.

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

Nih.gov Lighthouse Performance

Mobile Statistics

Performance 41%

Accessibility 99%

Best Practices 69%

Progressive Web App 46%

Desktop Statistics

Progressive Web App 48%

Seo 92%

Nih.gov Desktop Performance

Last tested: 10/07/2018

Desktop Speed

85%

Avoid landing page redirects

Leverage browser caching

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

Minify JavaScript

Optimize images

Minify CSS

Enable compression

Desktop Resource Breakdown

Total Resources	60
Number of Hosts	14
Static Resources	47
JavaScript Resources	20
CSS Resources	11

Nih.gov Mobile Insights

Last tested: 10/07/2018

Mobile Usability

99%

Size tap targets appropriately

Mobile Speed

67%

Avoid landing page redirects

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

Leverage browser caching

Optimize images

Minify JavaScript

Minify CSS

Enable compression

Mobile Resource Breakdown

Total Resources	59
Number of Hosts	14
Static Resources	45
JavaScript Resources	19
CSS Resources	10

Nih.gov Common Typos

www.nih.com
www.nih.net
www.nih.org
www.nih.info
www.nih.biz
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www.hih.gov
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www.hnih.gov
www.jih.gov
www.njih.gov
www.jnih.gov
www.mih.gov
www.nmih.gov
www.mnih.gov
www.nh.gov
www.nuh.gov
www.niuh.gov
www.nuih.gov
www.njh.gov
www.nijh.gov
www.nkh.gov
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www.nkih.gov
www.noh.gov
www.nioh.gov
www.noih.gov
www.ni.gov
www.nib.gov
www.nihb.gov
www.nibh.gov
www.nig.gov
www.nihg.gov
www.nigh.gov
www.niy.gov
www.nihy.gov
www.niyh.gov
www.niu.gov
www.nihu.gov
www.nij.gov
www.nihj.gov
www.nin.gov
www.nihn.gov
www.ninh.gov

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...

Nih.gov Overview

Nih.gov Rank Summary

Nih.gov Website Safety

Nih.gov Rank History

Nih.gov Hosting Information

Nih.gov Domain Registration and Settings

Nih.gov HTML Check

Nih.gov Lighthouse Performance

Nih.gov Desktop Performance

Nih.gov Mobile Insights

Nih.gov Similar Audits

Nih.gov Common Typos