- SEO Checker

Overview of the SEO Check
Meta information
Page quality
Page structure
Link structure
External factors
SEO Score
Response time
0.81 s
File size
81.70 kB
Media files
Number of links
139 internal / 13 external

Task list of SEO Improvements

Meta specifications

(Critically important)
National Human Genome Research Institute Home | NHGRI
The length of the page title is perfect. (538 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Official website of the National Human Genome Research Institute. The Forefront of Genomics.
The length of the meta description is perfect. (587 pixels out of 1000 max pixel length)
(Critically important)
There are no problems in accessing the website.
Canonical URL
There is a valid canonical link specified.
(Somewhat important)
Language detected in text: en
Language defined in HTML: en
Server location: United States of America
The following language is defined by HTML: en
Alternate/Hreflang Links
(Somewhat important)
The alternate link to the page itself is missing.
Other meta tags
(Somewhat important)
There is no rel next meta tag on this page.
There is no rel prev meta tag on this page.
(Somewhat important)
The domain is no subdomain.
The domain length is good.
The domain does not contain non-latin characters.
Page URL
(Somewhat important)
No parameters were found in the URL.
No session ID was found in the URL.
The URL does not have too many subdirectories.
Charset encoding
(Somewhat important)
The charset encoding (UTF-8) is set correctly.
(Nice to have)
The doctype HTML 5 is set correctly.
The doctype is placed at first in the HTML code.
(Nice to have)
The favicon is linked correctly.

Meta tags

viewportwidth=device-width, initial-scale=1.0
descriptionOfficial website of the National Human Genome Research Institute. The Forefront of Genomics.
GeneratorDrupal 8 (

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Page quality

(Critically important)
Words from the H1 heading are not used in the page content.
This page contains 640 words. That's ok.
22% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
The page contains a listing, which indicates a good text layout.
3 paragraphs were found on this page.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 21.4 words is good.
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
Multiple viewport tags are given. There should only be one.
No Apple touch icon is specified.
This page loads 5 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1.0" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 13 tags for this page.
Image SEO
(Somewhat important)
Alt text (alternative text) is correctly used on all found images.
Social Networks
(Nice to have)
There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.
Additional markup
(Nice to have)
No additional page markup was found.
(Somewhat important)
This website uses HTTPS to protect privacy and integrity of the exchanged data.
All included files are also transferred via HTTPS.

Media list

URLAlt attributeTitle
...ustom/nhgri/assets/global/NHGRI-logo.svgNHGRI logo
data:[...] Base64Submit
...ustom/nhgri/assets/global/NHGRI-logo.svgNHGRI logo
data:[...] Base64Open Search
data:[...] Base64Open Navigation
data:[...] Base64Close Navigation
data:[...] Base64Submit
data:[...] Base64Close Search
.../nhgri/assets/global/NHGRI_grey_teal.svgNHGRI logo Vision figure showing four themes
...ia/images/2020-08/NGSD_image_Dynamic.jpgNew Guinea Singing Dog Innovator Awards
...ult/files/4.3.2_ISCC_Meeting_Speaker.jpgInter-Society Coordinating Committee for Practitioner Education in Genomics | NHGRI's face
...sets/patterns/pattern-dots-lightgray.svggrey dot pattern
...sets/patterns/pattern-dots-lightgray.svggrey dot pattern
...ri/assets/global/NIH_mark_logo_white.svgNIH logo
.../nhgri/assets/global/DHHS_logo_white.svgDHHS logo
...sets/global/US-GSA-USAGov-Logo_white.svgUSA Gov logo

Page structure

H1 heading
(Critically important)
Investigative Genomics
The H1 heading is perfect.
Some headings occur twice on the page.

Heading structure

Heading levelContent
H1 Investigative Genomics
H2 Social Icons
H2 Main Navigation
H2 Main Navigation Duplicate text
H2 Social Icons Duplicate text
H2 About the National Human Genome Research Institute
H2 Get Updates
H2 Social Media Stream
H2 Footer Links
H3 Institute Director
H3 Organization
H3 Careers & Training
H3 Special Initiatives
Some anchor texts are used more than once.
The number of internal links is ok.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 13 external links on this page.
LinkAttributesAnchor text Skip to main content CDC health information NIH research Español NHGRI logo Facebook Twitter YouTube
/about-genomicsAbout Genomics
/About-Genomics/Introduction-t...Introduction to Genomics
/About-Genomics/Educational-Re...Educational Resources
/about-genomics/policy-issuesPolicy Issues in Genomics
/human-genome-projectThe Human Genome Project
/research-fundingResearch Funding
/research-funding/Funding-Oppo...Funding Opportunities
/research-funding/Funded-Progr...Funded Programs & Projects
/research-funding/Program-StaffProgram Staff
/research-funding/News-eventsNews & Events
/research-at-nhgriResearch at NHGRI
/research-at-nhgri/AreasResearch Areas
/research-at-nhgri/InvestigatorsResearch Investigators
/research-at-nhgri/ProjectsResearch Projects
/research-at-nhgri/Clinical-Re...Clinical Research
/research-at-nhgri/Data-Tools-...Data Tools & Resources
/research-at-nhgri/News-and-Ev...Text duplicate News & Events
/health/Genomics-and-MedicineGenomics & Medicine
/health/Family-Health-HistoryFamily Health History
/health/For-Patients-and-FamiliesFor Patients & Families
/health/For-Health-ProfessionalsFor Health Professionals
/careers-trainingCareers & Training
/careers-training/NHGRI-JobsJobs at NHGRI
/careers-training/research-tra...Research Training at NHGRI
/careers-training/NHGRI-Fundin...Funding for Research Training
/careers-training/Professional...Professional Development Programs
/careers-training/cultureNHGRI Culture
/news-eventsText duplicate News & Events
/social-mediaSocial Media
/image-galleryImage Gallery
/press-resourcesPress Resources
/about-nhgriAbout NHGRI
/About-NHGRI/DirectorNHGRI Director
/about-nhgri/NHGRI-Vision-and-...Mission and Vision
/about-nhgri/Policies-GuidancePolicies and Guidance
/about-nhgri/Institute-AdvisorsInstitute Advisors Vision
/about-nhgri/leadership-initia...Leadership Initiatives
/about-nhgri/Partner-with-NHGRIPartner with NHGRI Search
/about-nhgri/ContactContact Us duplicate IMG-ALT NHGRI logo
/about-genomicsText duplicate About Genomics
/About-Genomics/Introduction-t...Text duplicate Introduction to Genomics
/About-Genomics/Educational-Re...Text duplicate Educational Resources
/about-genomics/policy-issuesText duplicate Policy Issues in Genomics
/human-genome-projectText duplicate The Human Genome Project
/research-fundingText duplicate Research Funding
/research-funding/Funding-Oppo...Text duplicate Funding Opportunities
/research-funding/Funded-Progr...Text duplicate Funded Programs & Projects
/research-funding/Program-StaffText duplicate Program Staff
/research-funding/News-eventsText duplicate News & Events
/research-at-nhgriText duplicate Research at NHGRI
/research-at-nhgri/AreasText duplicate Research Areas
/research-at-nhgri/InvestigatorsText duplicate Research Investigators
/research-at-nhgri/ProjectsText duplicate Research Projects
/research-at-nhgri/Clinical-Re...Text duplicate Clinical Research
/research-at-nhgri/Data-Tools-...Text duplicate Data Tools & Resources
/research-at-nhgri/News-and-Ev...Text duplicate News & Events duplicate Health
/health/Genomics-and-MedicineText duplicate Genomics & Medicine
/health/Family-Health-HistoryText duplicate Family Health History
/health/For-Patients-and-FamiliesText duplicate For Patients & Families
/health/For-Health-ProfessionalsText duplicate For Health Professionals
/careers-trainingText duplicate Careers & Training
/careers-training/NHGRI-JobsText duplicate Jobs at NHGRI
/careers-training/research-tra...Text duplicate Research Training at NHGRI
/careers-training/NHGRI-Fundin...Text duplicate Funding for Research Training
/careers-training/Professional...Text duplicate Professional Development Programs
/careers-training/cultureText duplicate NHGRI Culture
/news-eventsText duplicate News & Events duplicate News
/event-calendarText duplicate Events
/social-mediaText duplicate Social Media duplicate Videos
/image-galleryText duplicate Image Gallery
/press-resourcesText duplicate Press Resources
/about-nhgriText duplicate About NHGRI
/about-nhgri/OrganizationText duplicate Organization
/About-NHGRI/DirectorText duplicate NHGRI Director
/about-nhgri/NHGRI-Vision-and-...Text duplicate Mission and Vision
/about-nhgri/Policies-GuidanceText duplicate Policies and Guidance
/about-nhgri/Budget-Financial-...Text duplicate Budget
/about-nhgri/Institute-AdvisorsText duplicate Institute Advisors duplicate Strategic Vision
/about-nhgri/leadership-initia...Text duplicate Leadership Initiatives
/about-nhgri/Partner-with-NHGRIText duplicate Partner with NHGRI duplicate Staff Search
/about-nhgri/ContactText duplicate Contact Us Text duplicate Facebook Text duplicate Twitter Text duplicate YouTube
/about-genomics/policy-issues/...Learn more
/news/news-release/NIH-funds-n...NIH funds new effort to discover genetic causes of single-gene disorders
/about-nhgri/Director/genomics...NHGRI extramural programs evolve in response to the dynamic nature of genomics NHGRI Strategic Vision
/research-at-nhgri/ProjectsText duplicate Research Projects
/about-nhgri/Division-of-Intra...Division of Intramural Research
/research-at-nhgri/InvestigatorsText duplicate Research Investigators
/news/news-release/Scientists-...Scientists use genomics to discover ancient dog species that may teach us about human vocalization
/research-funding/Funding-Oppo...Text duplicate Funding Opportunities
/research-funding/Funded-Progr...Funded Programs and Projects
/research-funding/Program-StaffText duplicate Program Staff
/news/news-release/NHGRI-annou...NHGRI announces 2020 Genomic Innovator Awards
/For-Patients-and-Families/Gen...Genetic Disorders
/For-Health-Professionals/Prov...Healthcare Provider Genomics Education Resources
/Clinical-Research/Current-NHG...Current Clinical Studies
/For-Health-Professionals/Inte...Inter-Society Coordinating Committee for Practitioner Education in Genomics
/About-Genomics/Educational-Re...Resources for Teachers
/dna-day/15-ways15 Ways Genomics Influences Our World
/outreach/unlocking-lifes-code...Genome: Unlocking Life's Code Exhibition
/about-genomics/teaching-tools...DNA Origami
/About-Genomics/Introduction-t...Text duplicate Introduction to Genomics
/about-genomics/fact-sheetsFact Sheets about Genomics
/about-genomics/policy-issuesText duplicate Policy Issues in Genomics
/human-genome-projectText duplicate The Human Genome Project
/about-nhgri/NHGRI-Vision-and-...Our Mission
/About-NHGRI/DirectorEric Green, M.D., Ph.D.
/about-nhgri/Director/genomics...The Genomics Landscape
/about-nhgri/Budget-Financial-...Budget and Financial Information
/about-nhgri/Organizational-chartOrganizational Structure
/careers-training/NHGRI-JobsJob Opportunities
/careers-training/research-tra...Scientific Training
/careers-training/cultureLife at NHGRI duplicate 2020 NHGRI Strategic Vision
/leadership-initiatives/Histor...History of Genomics
/about-nhgri/leadership-initia...Diversity in Genomics Workforce Initiative
/social-mediaFollow Us window External IMG-ALT NIH logo window External IMG-ALT DHHS logo window External IMG-ALT USA Gov logo
/about-nhgri/Policies-Guidance...Site Map duplicate Staff Search window External FOIA

Server configuration

HTTP redirects
(Critically important)
This page redirects to ""
HTTP header
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
(Somewhat important)
The page response time of 0.81 seconds is longer than the recommended limit of 0.4 seconds. A high response time unnecessarily slows down search engine crawling and results in bad user experience as well.
This page loads 5 CSS files. This may affect the page load time negatively.
This page loads 5 JavaScript files. This may affect the load time negatively.
The file size of the HTML document is fine (82 kB).

HTTP Response Header

cache-controlmax-age=2764800, public
content-typetext/html; charset=UTF-8
dateMon, 30 Aug 2021 16:43:09 GMT
expiresSun, 19 Nov 1978 05:00:00 GMT
last-modifiedFri, 27 Aug 2021 05:57:38 GMT
link<>; rel="canonical", <>; rel="shortlink"
link<>; rel="alternate"; hreflang="en"
link<>; rel="revision"
strict-transport-securitymax-age=31536000; includeSubDomains; preload
x-generatorDrupal 8 (

External factors

(Critically important)
This website is not classified "for adult only".
This website is not listed on the Shallalist.
This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 21,157 referring domains.
This page has 1,855,920 backlinks.
This page has backlinks from 16,014 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 1039 shares, comments and likes on Facebook.
Listed on Webwiki
(Nice to have)
This website is listed on Webwiki.


# 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:
# Ignored:
# For more information about the robots.txt standard, see:

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
# 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

Search preview
National Human Genome Research Institute Home | NHGRI
Official website of the National Human Genome Research Institute. The Forefront of Genomics.

Most important keywords

Following keywords were found. You can check the keyword optimization of this page for each keyword.

Human Genome69%Check
Human Genome Research Institute68%Check
genomics research66%Check
National Human Genome Research65%Check
Research Institute65%Check

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