Ods.od.nih.gov - SEO Checker

Sign up for free! PDF Export
Overview of the SEO Check
Meta information
80% 
Page quality
77% 
Page structure
79% 
Link structure
47% 
Server
86% 
External factors
100% 
SEO Score
Response time
1.18 s
File size
117.80 kB
Words
821
Media files
33
Number of links
167 internal / 18 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Office of Dietary Supplements (ODS)
The length of the page title is perfect. (330 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
The meta description is missing.
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
No canonical link is specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en
Server location: Canada
The following language is defined by HTML: en
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
titleOffice of Dietary Supplements (ODS)
keywordsdietary supplement, vitamin, mineral, herbal, botanical, health information, health, research, NIH, ODS, Office of Dietary Supplements, National Institutes of Health, government, federal government
Last-ModifiedThu, 25 Mar 2021 16:13:00 GMT
langen
og:urlhttps://ods.od.nih.gov/index.aspx
og:typewebsite
og:titleOffice of Dietary Supplements (ODS)
X-UA-CompatibleIE=Edge
charsetutf-8

Automatically check ods.od.nih.gov including all subpages at once!

Try for free
Guaranteed free of charge during trial period.

Page quality

Content
(Critically important)
Words from the H1 heading are not used in the page content.
This page contains 821 words. That's ok.
19% 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.
10 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 14.67 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
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 16 tags for this page.
Image SEO
(Somewhat important)
6 images have no alt attribute. The content of alt attributes is used by search engines.
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.
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
https://ods.od.nih.gov/images/menu.pngClick to access mobile menu
/images/common/NIH-ODSlogo_home.pngThe Office of Dietary Supplements (ODS) of the National Institutes of Health (NIH)
/images/common/ODS-Logo-Horiz-White.pngThe Office of Dietary Supplements (ODS) of the National Institutes of Health (NIH)
/images/common/NIH-Logo-White.pngThe Office of Dietary Supplements (ODS) of the National Institutes of Health (NIH)
/images/common/NIH-ODSlogo_home.pngThe Office of Dietary Supplements (ODS) of the National Institutes of Health (NIH)
...newsletterheader_WebBillboard533x400.pngODS Digest: News & Insights
...egnant woman purple dress horizontal.pngPicture of the belly of a pregnant white woman wearing a tight-fitting purple dress with her manicured hands on her belly.© iStock
.../content/seminarseriesbillboard24-25.jpgperson using a laptop which is displaying the words "ODS Seminar Series 2024-2025"
...ntent/ODSPromo_ODS Billboard_540x400.jpgscreen capture cover of the ODS Strategic Plan 2025-2029
... Bottle Pills iStock-675004892_slide.jpggeneric probiotic pills and pill bottle© iStock
...shwagandha_v1_web_featured_FS_0024b4.jpgAshwagandha© iStock
...es/content/Joggers Older Couple4_web.jpgolder couple jogging and smiling© iStock
/images/content/Oranges.jpgoranges© iStock
...mages/content/Vitamins on Shelf_4to3.jpgNo alt attribute provided
...s/content/Woman (Senior) with bottle.jpgWoman looking at supplement bottle
/images/content/NIH%20Building%201.jpgNIH Building 1
...mages/content/ginkgo cover photo3-sq.pngginkgo leaves with spectrograph design
...mages/content/US Map_Multicultural 2.jpgmulticultural group of people
/images/content/Ashwaganda.jpgashwagandha plant
/images/content/resiliencecompsite-sq.jpgAbstract background technology concept in blue light, human body surrounded by icons for molecules, medications, microscope, body structure, brain, DNA, technology, and atoms all representing human resilience factors
...ctor_female w Patient at computer sq.jpgdatabases
/images/content/Pills-Multi-colored.jpgmulti-colored pills
/images/content/woman_titrating_200sq.jpglab worker titrating
...eo capture two women pharmacy 4x3 sm.pngpeople discussing supplements
/images/home/facebook_mini.pngNo alt attribute providedFollow NIH on Facebook
/images/home/x_mini.pngNo alt attribute providedFollow NIH on X
/images/home/youtube_mini.pngNo alt attribute providedFollow NIH on YouTube
/images/home/linkedin_mini.pngNo alt attribute providedFollow NIH on LinkedIn
/images/home/email_mini.pngNo alt attribute providedSubscribe to our Newsletter
/images/common/NIH-ODSlogo_footer.pngNIH Office of Dietary Supplements
/images/common/NIH-ODSlogo_footer.pngNIH Office of Dietary Supplements
/images/Common/externallink.pngexternal link disclaimer
https://ods.od.nih.gov/images/pdf.gifAdobe PDF Logo

Page structure

H1 heading
(Critically important)
Office of Dietary Supplements
The H1 heading is perfect.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H1 Office of Dietary Supplements
H2 Strengthening Knowledge and Understanding of Dietary Supplements
H2 Headlines
H2 Stay Connected
H2 Featured Fact Sheets
H2 ODS Programs and Activities
H2 More from ODS
H4 New: July ODS Newsletter
H4 Dietary Supplements and Pregnancy
H4 ODS Seminar Series
H4 Now Available: New ODS Strategic Plan
H4 New Probiotics Fact Sheet
H4 Ashwagandha
H4 Probiotics
H4 Vitamin C
H4 All Fact Sheets (A–Z)
H4 Health Information
H4 Grants and Funding
H4 AMRM
H4 Population Studies
H4 CARBON
H4 Resilience & Health Studies
H4 Databases
H4 Información para el consumidor
H4 Education and Training
Some internal link anchor texts are too long.
Some anchor texts are used more than once.
2 links don't have an anchor text.
The number of internal links is ok.
All internal links are not using dynamic parameters.
There are 18 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://ods.od.nih.gov/Anchor Skip navigation links
https://www.hhs.gov/External Subdomain U.S. Department of Health & Human ServicesHHS
https://www.nih.gov/External Subdomain National Institutes of HealthNIH
https://dpcpsi.nih.gov/External Subdomain Division of Program Coordination, Planning, and Strategic InitiativesDPCPSI
https://ods.od.nih.gov/IMG-ALT The Office of Dietary Supplements (ODS) of the National Institutes of Health (NIH)
/HealthInformation/RecursosEnE...Información en españolespañol
https://ods.od.nih.gov/Text duplicate IMG-ALT The Office of Dietary Supplements (ODS) of the National Institutes of Health (NIH)
https://ods.od.nih.gov/Text duplicate IMG-ALT The Office of Dietary Supplements (ODS) of the National Institutes of Health (NIH)
/HealthInformation/healthinfor...Health Information
/HealthInformation/healthinfor...Text duplicate Health Information
/factsheets/list-all/Supplement Fact Sheets
/HealthInformation/ODS_Frequen...Supplement FAQ
/factsheets/WYNTK-Consumer/What You Need To Know About Supplements
/About/ODS_Videos.aspxVideos
/HealthInformation/RecursosEnE...Información en español
/HealthInformation/dictionary....Dictionary of Terms
/HealthInformation/nutrientrec...Nutrient Recommendations
/HealthInformation/healthprofe...For Health Professionals
/HealthInformation/consumerpro...Consumer Awareness & Protection
/pubs/DietarySupplementandMedi...My Dietary Supplement and Medicine Record
/News/newsandevents.aspxNews & Events
/News/newsandevents.aspxNews and Events
/News/archive.aspxHeadlines
/News/Media_Contacts.aspxMedia Contacts
/News/ODS_Update.aspxNewsletters
/News/News_Releases.aspxAnnouncements and News Releases
/News/Conferences_and_Workshop...Seminars, Conferences & Workshops
/Research/programsandactivitie...Programs & Activities
/Research/programsandactivitie...Text duplicate Programs & Activities
/Research/AMRMProgramWebsite.aspxAnalytical Methods and Reference Materials (AMRM)
/Research/Dietary_Supplement_R...Botanical Research Centers (CARBON)
/Research/populationstudies.aspxPopulation Studies
/Research/resiliencehealthstud...Resilience & Health Studies
/Research/CARDS_Database.aspxDietary Supplements Research Database (CARDS)
/Research/Dietary_Supplement_L...Dietary Supplement Label Database (DSLD)
/Research/databases.aspxOther Databases
/Research/dsrp.aspxDietary Supplement Research Practicum
/Research/Scholars.aspxScholars Program
/Research/Evidence-Based_Revie...Evidence-based Reviews
/Funding/grantsandfunding.aspxGrants & Funding
/Funding/grantsandfunding.aspxText duplicate Grants & Funding
/Funding/grants_cofunding.aspxCo-funding Program
/Funding/Grants__Contracts.aspxCo-funded Research Portfolio
/Funding/ProductQualityResourc...Product Integrity Information
/Funding/FundingFAQ.aspxGrants & Co-funding FAQ
/About/AboutODS.aspxAbout ODS
/About/AboutODS.aspxText duplicate About ODS
/About/MissionOriginMandate.aspxMission, Origin, and Mandate
/About/StrategicPlan2025-2029....Strategic Plan 2025-2029
/about/leadership.aspxODS Leadership
/About/NIHDSRCC.aspxNIH Dietary Supplement Research Coordinating Committee
/About/Staff_Publications.aspxStaff Publications
/About/Staff_Presentations.aspxStaff Presentations
/About/Budget.aspxBudget
/About/ODStimeline.aspxTimeline
/About/Contact_Us.aspxContact Us
https://content.govdelivery.co...External Subdomain IMG-ALT ODS Digest: News & Insights
https://content.govdelivery.co...External Subdomain New: July ODS Newsletter
/News/ODS_Update.aspxSubdomain Text duplicate ODS Digest: News & Insights
/factsheets/Pregnancy-HealthPr...IMG-ALT Picture of the belly of a pregnant white woman wearing a tight-fitting purple dress with her manicured hands on her belly.
/factsheets/Pregnancy-HealthPr...Dietary Supplements and Pregnancy
/Research/seminarseries.aspxIMG-ALT person using a laptop which is displaying the words "ODS Seminar Series 2024-2025"
/Research/seminarseries.aspxODS Seminar Series
/cdn-cgi/l/email-protection[email protected]
/About/StrategicPlan2025-2029....IMG-ALT screen capture cover of the ODS Strategic Plan 2025-2029
/About/StrategicPlan2025-2029....Now Available: New ODS Strategic Plan
/About/StrategicPlan2025-2029....Strategic Plan for 2025-2029
/factsheets/Probiotics-HealthP...IMG-ALT generic probiotic pills and pill bottle
/factsheets/Probiotics-HealthP...New Probiotics Fact Sheet
https://ods.od.nih.gov/Anchor 1
A-TITLE Slide 1
https://ods.od.nih.gov/Anchor 2
A-TITLE Slide 2
https://ods.od.nih.gov/Anchor 3
A-TITLE Slide 3
https://ods.od.nih.gov/Anchor 4
A-TITLE Slide 4
https://ods.od.nih.gov/Anchor 5
A-TITLE Slide 5
/News/archive.aspxText duplicate Headlines
https://content.govdelivery.co...External Subdomain July ODS Digest: News & Insights
/factsheets/Selenium-Consumer/Updated Selenium Consumer Fact Sheet
https://content.govdelivery.co...External Subdomain June ODS Digest: News & Insights
/News/ODS_Update.aspxText duplicate ODS Digest: News & Insights
/About/Contact_Us.aspxHave a question? Ask ODS
/factsheets/Ashwagandha-Consumer/IMG-ALT Ashwagandha
/factsheets/Ashwagandha-Consumer/Text duplicate Ashwagandha
/factsheets/Probiotics-HealthP...IMG-ALT older couple jogging and smiling
/factsheets/Probiotics-HealthP...Probiotics
/factsheets/VitaminC-Consumer/IMG-ALT oranges
/factsheets/VitaminC-Consumer/Vitamin C
/factsheets/list-all/No Text
/factsheets/list-all/All Fact Sheets (A–Z)
/HealthInformation/healthinfor...IMG-ALT Woman looking at supplement bottle
/HealthInformation/healthinfor...Text duplicate Health Information
/Funding/grantsandfunding.aspxIMG-ALT NIH Building 1
/Funding/grantsandfunding.aspxGrants and Funding
/Research/AMRMProgramIMG-ALT ginkgo leaves with spectrograph design
/Research/AMRMProgramAMRM
/Research/populationstudies.aspxIMG-ALT multicultural group of people
/Research/populationstudies.aspxText duplicate Population Studies
/Research/Dietary_Supplement_R...IMG-ALT ashwagandha plant
/Research/Dietary_Supplement_R...CARBON
/Research/resiliencehealthstud...IMG-ALT Abstract background technology concept in blue light, human body surrounded by icons for molecules, medications, microscope, body structure, brain, DNA, tech...
/Research/resiliencehealthstud...Text duplicate Resilience & Health Studies
/Research/databases.aspxIMG-ALT databases
/Research/databases.aspxDatabases
/HealthInformation/RecursosEnE...IMG-ALT multi-colored pills
/HealthInformation/RecursosEnE...Información para el consumidor
/Research/educationtraining.aspxIMG-ALT lab worker titrating
/Research/educationtraining.aspxEducation and Training
/factsheets/list-all/Dietary Supplement Fact Sheets
/HealthInformation/ODS_Frequen...Frequently Asked Questions
/HealthInformation/DS_WhatYouN...Dietary Supplements: What You Need to Know
/HealthInformation/consumerpro...Text duplicate Consumer Awareness & Protection
/pubs/DietarySupplementandMedi...Text duplicate My Dietary Supplement and Medicine Record
/about/directorspage.aspxODS Director's Page
/News/ODS_Update.aspxRead the ODS Newsletters
/About/ODS_Videos.aspxWatch the ODS Videos
/About/ODSStrategicPlans.aspxODS Strategic Plans
/About/ODStimeline.aspxODS Timeline
/HealthInformation/dictionary....Dictionary of Dietary Supplement Terms
/HealthInformation/RecursosEnE...Text duplicate Información en español
/HealthInformation/healthprofe...Text duplicate For Health Professionals
/Research/Iodine.aspxIodine Initiative
/research/seminarseries.aspxText duplicate ODS Seminar Series
/About/NIHDSRCC.aspxText duplicate NIH Dietary Supplement Research Coordinating Committee
/HealthInformation/nutrientrec...Text duplicate Nutrient Recommendations
/Research/Evidence-Based_Revie...Evidence-Based Reviews
https://public.govdelivery.com...New window Nofollow External Subdomain SUBSCRIBE
A-TITLE subscribe for updates from ODS
https://www.facebook.com/nih.govNew window External Subdomain No Text
https://x.com/NIHNew window External No Text
https://www.youtube.com/user/N...New window External Subdomain No Text
https://www.linkedin.com/compa...New window External Subdomain No Text
/News/ODS_ListServ.aspxNew window No Text
/About/Contact_Us.aspxText duplicate Contact Us
/About/Accessibility_Statement...Accessibility
/About/Site_Policies.aspxSite Policies
/About/ODS_event_guidelines.aspxODS Event Guidelines
/About/Disclaimer.aspxDisclaimer
https://www.nih.gov/institutes...External Subdomain FOIA
/About/sitemap.aspxSite Map
https://www.hhs.gov/vulnerabil...External Subdomain Vulnerability Disclosure
/About/exit_disclaimer.aspxIMG-ALT external link disclaimer
A-TITLE External Website
https://www.nih.gov/virtual-tour/External Subdomain NIH Virtual Tour
https://covid19.nih.gov/External Subdomain COVID-19: NIH
https://get.adobe.com/reader/External Subdomain Download free Acrobat Reader
IMG-ALT Adobe PDF Logo
/HealthInformation/healthinfor...Text duplicate Health Information
/factsheets/list-all/Text duplicate Supplement Fact Sheets
/HealthInformation/ODS_Frequen...Supplement Frequently Asked Questions (FAQ)
/factsheets/WYNTK-Consumer/Text duplicate What You Need To Know About Supplements
/About/ODS_Videos.aspxText duplicate Videos
/HealthInformation/RecursosEnE...Text duplicate Información en español
/HealthInformation/dictionary....Text duplicate Dictionary of Terms
/HealthInformation/nutrientrec...Text duplicate Nutrient Recommendations
/HealthInformation/healthprofe...Text duplicate For Health Professionals
/HealthInformation/consumerpro...Text duplicate Consumer Awareness & Protection
/pubs/DietarySupplementandMedi...Text duplicate My Dietary Supplement and Medicine Record
/News/newsandevents.aspxText duplicate News & Events
/News/archive.aspxText duplicate Headlines
/News/Media_Contacts.aspxText duplicate Media Contacts
/News/ODS_Update.aspxText duplicate Newsletters
/News/News_Releases.aspxNews Releases and Announcements
/News/Conferences_and_Workshop...Text duplicate Seminars, Conferences & Workshops
/Research/programsandactivitie...Text duplicate Programs & Activities
/Research/AMRMProgramWebsite.aspxText duplicate Analytical Methods and Reference Materials (AMRM)
/Research/Dietary_Supplement_R...Text duplicate Botanical Research Centers (CARBON)
/Research/populationstudies.aspxText duplicate Population Studies
/Research/resiliencehealthstud...Text duplicate Resilience & Health Studies
/Research/CARDS_Database.aspxDietary Supplement Research Database (CARDS)
/Research/Dietary_Supplement_L...Text duplicate Dietary Supplement Label Database (DSLD)
/Research/dsrp.aspxText duplicate Dietary Supplement Research Practicum
/Research/Scholars.aspxText duplicate Scholars Program
/Research/databases.aspxText duplicate Other Databases
/Research/Evidence-Based_Revie...Text duplicate Evidence-based Reviews
/Funding/grantsandfunding.aspxText duplicate Grants & Funding
/Funding/grants_cofunding.aspxText duplicate Co-funding Program
/Funding/Grants__Contracts.aspxText duplicate Co-funded Research Portfolio
https://grants.nih.gov/funding...External Subdomain Anchor ODS Funding Opportunities
/Funding/FundingFAQ.aspxText duplicate Grants & Co-funding FAQ
/Funding/ProductQualityResourc...Text duplicate Product Integrity Information
/About/AboutODS.aspxText duplicate About ODS
/About/MissionOriginMandate.aspxText duplicate Mission, Origin, and Mandate
/About/StrategicPlan2025-2029....Text duplicate Strategic Plan 2025-2029
/about/leadership.aspxText duplicate ODS Leadership
/About/NIHDSRCC.aspxText duplicate NIH Dietary Supplement Research Coordinating Committee
/About/Staff_Publications.aspxText duplicate Staff Publications
/About/Staff_Presentations.aspxText duplicate Staff Presentations
/About/Budget.aspxText duplicate Budget
/About/ODStimeline.aspxText duplicate Timeline

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://ods.od.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 slow (1.18 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 (118 kB).

HTTP Response Header

NameValue
dateFri, 25 Jul 2025 20:19:45 GMT
content-typetext/html; charset=utf-8
cache-controlprivate,public
expiresFri, 01 Aug 2025 20:19:43 GMT
last-modifiedThu, 25 Mar 2021 16:13:00 GMT
varyAccept-Encoding
set-cookie67 Characters
strict-transport-securitymax-age=31536000; includeSubDomains; preload
access-control-allow-originhttps://ods.od.nih.gov
cf-cache-statusDYNAMIC
server-timingcfCacheStatus;desc="DYNAMIC"
expect-ctmax-age=86400, enforce
referrer-policysame-origin
x-content-type-optionsnosniff
x-frame-optionsSAMEORIGIN
x-xss-protection1; mode=block
servercloudflare
cf-ray964e5aa2becbcdc7-ORD
content-encodinggzip
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 1,460 referring domains.
This page has 13,656 backlinks.
This page has backlinks from 1,103 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

User-agent: *
Disallow: /about/error.aspx
Disallow: /Bin
Disallow: /config
Disallow: /controls
Disallow: /email/
Disallow: /factsheets/showterm.asp
Disallow: /images
Disallow: /js
Disallow: /masters
Disallow: /styles
Disallow: /*?print=1
Disallow: /api/index.aspx?
Disallow: /indexer/
Disallow: */history

Similar sites

Search preview

Most important keywords

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

KeywordResultRecheck
ODS74%Check
Dietary68%Check
Supplement68%Check
Supplements68%Check
Dietary Supplement68%Check
Dietary Supplements68%Check
Office63%Check
ODS Newsletter60%Check
Dietary Supplement Research59%Check
ODS Digest59%Check
Show more keywords and terms

Automatically check ods.od.nih.gov including all subpages at once!

Try for free
Guaranteed free of charge during trial period.

Cookie Policy

We use cookies to make our site work and also for analytics and advertising purposes. You can enable or disable optional cookies as desired. See the following links for more information.

Contact | Privacy

We need these so the site can function properly

So we can better understand how visitors use our website

So we can serve you tailored ads and promotions