Niddk.nih.gov - SEO Checker

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Overview of the SEO Check
Meta information
80% 
Page quality
78% 
Page structure
79% 
Link structure
85% 
Server
95% 
External factors
100% 
SEO Score
Response time
2.18 s
File size
64.60 kB
Words
606
Media files
41
Number of links
98 internal / 15 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
The page title should be shorter than 580 pixels. It is 664 pixels long. Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
As an Institute within NIH, NIDDK conducts and supports research on many of the most common, costly, and chronic conditions to improve health.
The length of the meta description is perfect. (898 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.niddk.nih.gov/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en-us
Server location: United States of America
The following language is defined by HTML: en-us
Alternate/Hreflang Links
(Somewhat important)
There are no alternate links specified on this page.
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.
Domain
(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.
Doctype
(Nice to have)
The doctype HTML 5 is set correctly.
The doctype is placed at first in the HTML code.
Favicon
(Nice to have)
The favicon is linked correctly.

Meta tags

NameValue
viewportwidth=device-width, initial-scale=1.0
msvalidate.017FEF9D64C9916EC9393EB5B21BD0037E
format-detectiontelephone=no
descriptionAs an Institute within NIH, NIDDK conducts and supports research on many of the most common, costly, and chronic conditions to improve health.
langen-us
twitter:cardsummary
twitter:site:id1901405066
twitter:titleNational Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
twitter:descriptionAs an Institute within NIH, NIDDK conducts and supports research on many of the most common, costly, and chronic conditions to improve health.
twitter:imagehttps://www.niddk.nih.gov/-/media/Images/Components/Default-Social-Media-Images/Home--About-Card.png
og:urlhttps://www.niddk.nih.gov
og:typearticle
og:titleNational Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
og:descriptionAs an Institute within NIH, NIDDK conducts and supports research on many of the most common, costly, and chronic conditions to improve health.
og:imagehttps://www.niddk.nih.gov/-/media/Images/Components/Default-Social-Media-Images/Home--About-Card.png
og:site_nameNational Institute of Diabetes and Digestive and Kidney Diseases
X-UA-CompatibleIE=edge
charsetutf-8

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Page quality

Content
(Critically important)
Only 2 paragraph/s was/were found on this page.
The average number of words per sentence of 7.33 words is low.
This page contains 606 words. That's ok.
21.3% 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.
No placeholders texts or images were found.
There are no duplicates on the site.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width, initial-scale=1.0" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 12 tags for this page.
Image SEO
(Somewhat important)
10 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
This page is optimized perfectly for social networks.
Additional markup
(Nice to have)
No additional page markup was found.
HTTPS
(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
data:[...] Base64U.S. flag
/_ux/niddk/9.40.0/images/site-logos.svgNIH: National Institute of Diabetes and Digestive and Kidney Diseases
/_ux/niddk/9.40.0/images/site-logos.svgNIH: National Institute of Diabetes and Digestive and Kidney Diseases
/_ux/niddk/9.40.0/images/site-logos.svg75 years: 1950-2025
/_ux/niddk/9.40.0/images/site-logos.svg75 years: 1950-2025
...iddk/9.40.0/images/75-hero/bg-hero-1.svgNo alt attribute provided
...iddk/9.40.0/images/75-hero/bg-hero-2.svgNo alt attribute provided
...iddk/9.40.0/images/75-hero/bg-hero-2.svgNo alt attribute provided
...iddk/9.40.0/images/75-hero/bg-hero-1.svgNo alt attribute provided
...iddk/9.40.0/images/75-hero/bg-hero-2.svgNo alt attribute provided
...iddk/9.40.0/images/75-hero/bg-hero-2.svgNo alt attribute provided
...iddk/9.40.0/images/75-hero/bg-hero-1.svgNo alt attribute provided
...iddk/9.40.0/images/75-hero/bg-hero-2.svgNo alt attribute provided
...iddk/9.40.0/images/75-hero/bg-hero-2.svgNo alt attribute provided
...04&hash=A238568E6C3D7B0F04C808C586072F77Black and white photo of Alma Levant Hayden
...04&hash=95903C71D3EECC21593C3A2150024D30Monitoring exercise
...04&hash=2684A6EA5C67816F5DF1627D5CBF6472Blood vessel
...04&hash=7BF46E93855814F85A2741B1D8939980Scientist in lab
...04&hash=BFCBB6742C93E0978FE35CB0DA85541EIslet Chip
...04&hash=631B2BFE60C594E3EEC05134E8D14702E coli bacteria
...ddk/9.40.0/images/75-hero/mobile-hex.svgNo alt attribute provided
...04&hash=631B2BFE60C594E3EEC05134E8D14702E coli bacteria
...04&hash=A238568E6C3D7B0F04C808C586072F77Black and white photo of Alma Levant Hayden
...04&hash=95903C71D3EECC21593C3A2150024D30Monitoring exercise
...04&hash=2684A6EA5C67816F5DF1627D5CBF6472Blood vessel
...04&hash=7BF46E93855814F85A2741B1D8939980Scientist in lab
...04&hash=BFCBB6742C93E0978FE35CB0DA85541EIslet Chip
...00&hash=E2A1864419D670177CF318C29710A7D7Graphic of the NIDDK 75th anniversary logo with the text Advancing Research for All.
...00&hash=F4972B3981FF816495DC598FE4E9A60CA woman smiling holding a yoga mat with a group of friends in the background.
...00&hash=4754BCEE82D0EA6826B567280D5A91D0Default Meetings Image
...00&hash=DF2983AD0B68367FC0CFA665AB83444DK Awardees Workshop Rotator
...00&hash=3257A7DFDB5ED47272ABA7C2A83E7194NIDDK Data Management & Sharing (DMS) Guidance, Tools and Resources Rotator
...00&hash=0FD016035A2FB16DFB01FD78DA524511NIDDK Labs Offer Research Training Opportunities
...00&hash=B6903A5B15EE28F9D077D07B3E3669FEInternships at NIDDK
...00&hash=8C8FA2FF2914559161E8C26F73A40D8DA photograph of hands typing on a laptop keyboard.
...00&hash=A8A4176EAE1DCF39874C89EB2E0AC64AResearch Diversity Programs Image
...00&hash=3E74C07E6C6897145A820C9DF8661F9FA woman seated with a glucose monitor on her left arm, checking her readings on her phone.
...00&hash=92667F959DE1AA59F729959D13AB27DAA man seated using a blood pressure machine.
...00&hash=8F2DCDCA26BA52891E28EE47157BBC68A health care professional drawing a blood sample.

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H2 75 years: 1950-2025
H2 Health Topics / Temas de salud
H2 The NIDDK Director
H2 Featured Highlights
H2 In the News
H2 Research & Funding
H2 Is Participating in Clinical Trials Right for You?
H2 Health Information
H2 Contact Us
H3 Chat
H3 Follow Us
Some internal link anchor texts are too long.
Some anchor texts are used more than once.
The number of internal links is ok.
All internal links are not using dynamic parameters.
There are 15 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.niddk.nih.gov/Anchor Skip to main content
https://www.nih.gov/External Subdomain nih.gov
https://www.niddk.nih.gov/IMG-ALT NIH: National Institute of Diabetes and Digestive and Kidney Diseases
A-TITLE NIDDK home page
/about-niddk/75th-anniversaryIMG-ALT 75 years: 1950-2025
A-TITLE NIDDK 75th Anniversary
https://www.niddk.nih.gov/Home
/research-fundingResearch & Funding
/research-funding/current-oppo...Current Funding Opportunities
/research-funding/research-pro...Research Programs & Contacts
/research-funding/human-subjec...Human Subjects Research
/research-funding/processFunding Process
/research-funding/training-car...Research Training & Career Development
/research-funding/funded-grant...Funded Grants & Grant History
/research-funding/research-res...Research Resources
/research-funding/at-niddkResearch at NIDDK
/research-funding/technology-a...Technology Advancement & Transfer
/news/meetings-workshopsMeetings & Workshops
/health-informationHealth Information
/health-information/diabetesDiabetes
/health-information/digestive-...Digestive Diseases
/health-information/kidney-dis...Kidney Disease
/health-information/weight-man...Weight Management
/health-information/liver-diseaseLiver Disease
/health-information/urologic-d...Urologic Diseases
/health-information/endocrine-...Endocrine Diseases
/health-information/diet-nutri...Diet & Nutrition
/health-information/blood-dise...Blood Diseases
/health-information/diagnostic...Diagnostic Tests
/health-information/informacio...La información de la salud en español
/health-information/health-sta...Health Statistics
/health-information/clinical-t...Clinical Trials
/health-information/professionalsFor Health Professionals
/health-information/profession...Diabetes Discoveries & Practice Blog
/health-information/community-...Community Health & Outreach
https://www.niddk.nih.gov/newsNews
/news/archiveNews Archive
/news/meetings-workshopsText duplicate Meetings & Workshops
/news/media-libraryMedia Library
/news/follow-usFollow Us
/about-niddkAbout NIDDK
/about-niddk/meet-directorMeet the Director
/about-niddk/offices-divisionsOffices & Divisions
/about-niddk/staff-directoryStaff Directory
/about-niddk/budget-legislativ...Budget & Legislative Information
/about-niddk/advisory-coordina...Advisory & Coordinating Committees
/about-niddk/strategic-plans-r...Strategic Plans & Reports
/about-niddk/research-areasResearch Areas
/about-niddk/faqsFAQs
/about-niddk/jobsJobs at NIDDK
/about-niddk/visit-usVisit Us
/about-niddk/contact-usContact Us
/about-niddk/75th-anniversaryNIDDK 75th Anniversary
/about-niddk/75th-anniversaryLearn more about NIDDK's 75 years of research
/health-informationHealth Topics
/health-information/informacio...Temas de salud
/health-information/diabetesText duplicate Diabetes
/health-information/digestive-...Text duplicate Digestive Diseases
/health-information/kidney-dis...Text duplicate Kidney Disease
/health-information/weight-man...Text duplicate Weight Management
/health-information/liver-diseaseText duplicate Liver Disease
/health-information/urologic-d...Text duplicate Urologic Diseases
/health-information/endocrine-...Text duplicate Endocrine Diseases
/health-information/diet-nutri...Text duplicate Diet & Nutrition
/health-information/diagnostic...Text duplicate Diagnostic Tests
/health-information/informacio...Text duplicate Diabetes
/health-information/informacio...Enfermedades digestivas
/health-information/informacio...Enfermedad de los riñones
/health-information/informacio...Control de peso
/health-information/informacio...Enfermedades del hígado
/health-information/informacio...Enfermedades urológicas
/health-information/informacio...Enfermedades endocrinas
/health-information/informacio...Alimentación y nutrición
/health-information/informacio...Pruebas diagnósticas
/about-niddk/meet-directorText duplicate Meet the Director
/about-niddk/meet-director/mis...Mission & Vision
/about-niddk/meet-director/dir...NIDDK Director's Update
/about-niddk/strategic-plans-r...NIDDK Annual Report 2025
/about-niddk/75th-anniversaryCelebrate NIDDK's 75th Anniversary Learn about NIDDK’s contributions and how we’ll keep advancing research and health for all.
IMG-ALT Graphic of the NIDDK 75th anniversary logo with the text Advancing Research for All.
/health-information/diabetes/o...Maintaining a Healthy Lifestyle with Diabetes Find tips on maintaining a healthy lifestyle with a diabetes diagnosis.
IMG-ALT A woman smiling holding a yoga mat with a group of friends in the background.
/news/meetings-workshops/2025/...R is for All July 31, 2025
IMG-ALT Default Meetings Image
/news/meetings-workshops/2025/...2025 NIDDK K Awardees Workshop Nov. 20 - 21, 2025
IMG-ALT K Awardees Workshop Rotator
/research-funding/research-res...Data Management & Sharing (DMS) Guidance, Tools and Resources NIDDK researchers can refer to NIDDK guidance for writing a DMS plan.
IMG-ALT NIDDK Data Management & Sharing (DMS) Guidance, Tools and Resources Rotator
/research-funding/at-niddk/tra...NIDDK Labs Offer Research Training Opportunities
IMG-ALT NIDDK Labs Offer Research Training Opportunities
https://www.nih.gov/news-event...External Subdomain Behavioral intervention decreases how much pain affects daily activities in people with dialysis-dependent kidney failure
https://www.nih.gov/news-event...External Subdomain NIH study demonstrates long-term benefits of weight-loss surgery in young people
https://www.nih.gov/news-event...External Subdomain Genomic variants that increase risk of kidney disease are found in nearly one-third of West Africans
https://www.nih.gov/news-event...External Subdomain First wave of COVID-19 increased risk of heart attack, stroke up to three years later
https://www.niddk.nih.gov/newsMore News
/research-funding/at-niddk/tra...Internships at NIDDK Work side-by-side with leading NIH scientists.
IMG-ALT Internships at NIDDK
/research-funding/process/applySubdomain Applying for Funding Where to register and what to do before you apply for a funding opportunity
IMG-ALT A photograph of hands typing on a laptop keyboard.
/research-funding/training-car...Research Training & Career Development NIDDK offers and participates in a variety of opportunities for researchers.
IMG-ALT Research Diversity Programs Image
/research-fundingMore Research & Funding
/health-information/clinical-t...Learn more about clinical trials
/health-information/diabetes/o...Diabetes and Continuous Glucose Monitoring Talk to your doctor about continuous glucose monitoring to help manage your diabetes.
IMG-ALT A woman seated with a glucose monitor on her left arm, checking her readings on her phone.
/health-information/kidney-dis...Managing Chronic Kidney Disease Learn about the causes and complications of chronic kidney disease.
IMG-ALT A man seated using a blood pressure machine.
/health-information/liver-dise...Understanding Hepatitis D Discover the causes, symptoms, and treatment plan for Hepatitis D.
IMG-ALT A health care professional drawing a blood sample.
/health-informationMore Health Information
/news/follow-usText duplicate Follow Us
https://www.linkedin.com/compa...New window External Subdomain LinkedIn
A-TITLE Follow NIDDK on LinkedIn
https://x.com/NIDDKgovNew window External X
A-TITLE Follow NIDDK on X
https://www.facebook.com/NIDDKgovNew window External Subdomain Facebook
A-TITLE Like NIDDK on Facebook
https://www.youtube.com/user/N...New window External Subdomain YouTube
A-TITLE Subscribe to NIDDK on YouTube
https://www.instagram.com/nidd...New window External Subdomain Instagram
A-TITLE Follow NIDDK on Instagram
/privacy-policyPrivacy Policy
/freedom-information-actFreedom of Information Act
/accessibilityAccessibility
/disclaimersDisclaimers
/copyrightCopyright
https://www.hhs.gov/vulnerabil...External Subdomain Vulnerability Disclosure Policy
/site-mapSite Map
https://intranet.niddk.nih.gov...Nofollow External Subdomain For Staff Only
https://public.govdelivery.com...External Subdomain Get Email Updates
https://www.hhs.gov/External Subdomain U.S. Department of Health and Human Services
https://www.nih.gov/External Subdomain National Institutes of Health

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.niddk.nih.gov/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time is very slow (2.18 seconds). The response time should be less than 0.4 seconds. Slow websites are bad for search engine bots and also result in bad user experience.
The file size of the HTML document is fine (65 kB).

HTTP Response Header

NameValue
dateFri, 25 Jul 2025 04:49:09 GMT
content-typetext/html; charset=utf-8
varyAccept-Encoding
cache-controlmax-age=0, s-maxage=679
strict-transport-securitymax-age=31536000
referrer-policystrict-origin-when-cross-origin
permissions-policyinterest-cohort=()
x-azure-ref20250725T044909Z-r1755ffb846wnr28hC1FRA7ud00000000fs000000000afgs
x-fd-int-roxy-purgeid14
x-cacheTCP_MISS
content-encodingbr
statuscode200
http_versionHTTP/2

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 2,252 referring domains.
This page has 815,657 backlinks.
This page has backlinks from 1,612 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

# robots.txt for https://www.niddk.nih.gov/
User-agent: *
Crawl-delay: 10
Disallow: /system
Disallow: /_internal

Sitemap: https://www.niddk.nih.gov/sitemap.xml
Sitemap: https://www.niddk.nih.gov/sitemap-sc.xml
Sitemap: https://www.niddk.nih.gov/sitemap-news.xml

Similar sites

Search preview

www.niddk.nih.gov
National Institute of Diabetes and Digestive and Kidney Diseases (N...
As an Institute within NIH, NIDDK conducts and supports research on many of the most common, costly, and chronic conditions to improve health.

Most important keywords

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

KeywordResultRecheck
niddk76%Check
NIH59%Check
Health58%Check
NIDDK Director56%Check
Research54%Check
National Institute54%Check
Health Information51%Check
Advancing Research Health51%Check
Diabetes48%Check
Kidney Disease48%Check
Show more keywords and terms

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