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ntp.niehs.nih.gov

Registered
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Official website of the National Toxicology Program (NTP) The National Toxicology Program (NTP)is the leading US scientific agency dedicated to the study of potentially h...

Page analyze update date: 2026/06/02 07:13:07
Last whois update date: 2026/07/17 09:41:48
Domain Status
Registered
Paid till
22.08.2027
Available from
21.09.2027

Website Description

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Official website of the National Toxicology Program (NTP)

The National Toxicology Program (NTP)is the leading US scientific agency dedicated to the study of potentially hazardous substances in the environment and their impact on human health.

Main theme of the site

The site is dedicated to issues of toxicology, environmental safety and public health. It provides a central platform for disseminating scientific information on chemicals that may pose a threat to human health and ecosystems.

Key areas of NTP activity

  • Assessing the carcinogenic properties of substances: The program conducts long-term studies on laboratory animals (primarily mice and rats) to identify substances that can cause cancer.
  • Study of non-cancerous effects: NTP studies the effects of chemical agents on organs and systems, including the liver, kidneys, cardiovascular system, nervous system and reproductive functions.
  • Development of alternative testing methods: The Tox21 project aims to replace animal testing using cell cultures and molecular models, making the process faster, cheaper and more ethical.
  • Publication of reports on carcinogenic substances: The site contains up-to-date lists of substances classified as carcinogenic, probably carcinogenic or not classifiedfor humans.
  • Atlas of Organ Ultrastructure in Rodents: Newly updated resource provides detailed images of tissues and cells to aid in the diagnosis of toxic injuries.
  • Scientific collaboration and expert support: NTP works with international scientific communities, attracting experts to analyze data and formulate recommendations.

NTP Goals and Mission

NTP strives to be a leading force in the field of modern toxicologyusing advanced technologies and molecular biological techniques. The organization was created to provide a reliable scientific basis on which government programs to protect public health and the environment are built.

The site serves as a source of information for regulators, researchers, health professionals, environmentalists and citizens interested in environmental safety.

Who can use the site

  • Scientists and researchers in the field of toxicology and ecology
  • Representatives of government and international organizations (e.g. EPA, FDA, WHO)
  • Medical and public health professionals
  • Citizens concerned about the health effects of chemicals
  • Faculty and students in the field of biomedical sciences

The site also offers access to public data, reports, news archives, and opportunities for participation, such as expert nominations or comments on projects.

SEO Score
65.07%
95
Score achieved
146
Maximum score

Main Information

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Title: Home - National Toxicology Program
Description: empty
Keywords: empty
Page Encoding: utf-8
Page Filesize: 67 KB

Server Information

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IP: 104.18.30.113
Location: ,,,,,,
Http Server: cloudflare
Encoding: utf-8

Meta Tags List

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Internal Links

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External Links

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Whois Information

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domain_name: nih.gov
update_date: 2026-07-13T16:28:17.842Z
update_time: 1783960097
creation_date: 1997-10-02T01:29:27.000Z
creation_time: 875755767
expiration_date: 2027-08-22T14:22:33.434Z

Whois Raw Data

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            Domain Name: NIH.GOV
Registrar: get.gov
Domain Status: server transfer prohibited
Creation Date: 1997-10-02T01:29:27.000Z
Registry Expiry Date: 2027-08-22T14:22:33.434Z
Updated Date: 2026-07-13T16:28:17.842Z
Name Server: NS.NIH.GOV
Name Server: NS2.NIH.GOV
Name Server: NS3.NIH.GOV
REGISTRAR Contact: get.gov
ADMINISTRATIVE Contact: REDACTED FOR PRIVACY
SECURITY Contact: REDACTED FOR PRIVACY
TECHNICAL Contact: REDACTED FOR PRIVACY
>>> Last update of RDAP database: 2026-07-17T09:41:48Z

Robots.txt

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			#
# robots.txt
#
# This file is to prevent the crawling and indexing of certain parts
# of your site by web crawlers and spiders run by sites like Yahoo!
# and Google. By telling these "robots" where not to go on your site,
# you save bandwidth and server resources.
#
# This file will be ignored unless it is at the root of your host:
# Used:    http://example.com/robots.txt
# Ignored: http://example.com/site/robots.txt
#
# For more information about the robots.txt standard, see:
# http://www.robotstxt.org/robotstxt.html

User-agent: *
# CSS, JS, Images
Allow: /core/*.css$
Allow: /core/*.css?
Allow: /core/*.js$
Allow: /core/*.js?
Allow: /core/*.gif
Allow: /core/*.jpg
Allow: /core/*.jpeg
Allow: /core/*.png
Allow: /core/*.svg
Allow: /profiles/*.css$
Allow: /profiles/*.css?
Allow: /profiles/*.js$
Allow: /profiles/*.js?
Allow: /profiles/*.gif
Allow: /profiles/*.jpg
Allow: /profiles/*.jpeg
Allow: /profiles/*.png
Allow: /profiles/*.svg
# Directories
Disallow: /core/
Disallow: /profiles/
# Files
Disallow: /README.txt
Disallow: /web.config
# Paths (clean URLs)
Disallow: /admin/
Disallow: /comment/reply/
Disallow: /filter/tips
Disallow: /node/add/
Disallow: /search/
Disallow: /user/register
Disallow: /user/password
Disallow: /user/login
Disallow: /user/logout
Disallow: /media/oembed
Disallow: /*/media/oembed
# Paths (no clean URLs)
Disallow: /index.php/admin/
Disallow: /index.php/comment/reply/
Disallow: /index.php/filter/tips
Disallow: /index.php/node/add/
Disallow: /index.php/search/
Disallow: /index.php/user/password
Disallow: /index.php/user/register
Disallow: /index.php/user/login
Disallow: /index.php/user/logout
Disallow: /index.php/media/oembed
Disallow: /index.php/*/media/oembed
        

SEO Audit

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Technical SEO

Response Code
200
Status 200 OK - page loads correctly.
Character Encoding
Page: utf-8, Header: utf-8
Character encoding consistent between HTML and headers.
Page Size
69399 bytes
Page size acceptable for fast loading.
Resources
48 total
Moderate number of resources. Consider combining files.
Hreflang Tags
0 hreflang tags
Add hreflang tags if you have multilingual content.
Robots.txt
Exists
Robots.txt file found.
!
Sitemap
Not found
Add sitemap.xml and reference it in robots.txt.
HTTPS
Yes
Secure HTTPS connection enabled.
Compression
gzip
Gzip or Zstd compression enabled for faster loading.
Caching
max-age=2764800, public
Cache-control headers properly set.
Page Speed
7.83 ms
Excellent loading speed.

On-Page SEO

Title
Home - National Toxicology Program
Good title length (30-60 characters).
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Meta Description
empty Lenght:5
Meta description too short. Expand to 100-160 characters.
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H1 Heading
0 found - ""
Add exactly one H1 heading with primary keywords.
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Word Count
305
Content somewhat short. Expand to 500+ words for optimal SEO.
!
Canonical Tag
Add canonical tag to prevent duplicate content issues.
Duplicate Meta
[]
No duplicate meta tags found.
Keywords
empty
Meta keywords set (note: not used by major search engines).

Content and UX

Language
en
Language attribute properly set.
!
Images
27 total, 1 missing ALT
Add ALT text to images for accessibility and SEO.
Viewport
width=device-width, initial-scale=1.0
Viewport meta tag properly set for mobile devices.
Open Graph
All OG tags present.
All essential OpenGraph tags present.
!
Structured Data
0 JSON-LD scripts
Add structured data (JSON-LD) for rich snippets and better SEO.

Positions in Google

Search Phrases - Google

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Additional Services

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