Nist.gov - SEO Checker

Overview of the SEO Check
Meta information
80% 
Page quality
92% 
Page structure
79% 
Link structure
92% 
Server
79% 
External factors
100% 
SEO Score
Response time
1.30 s
File size
92.60 kB
Words
676
Media files
20
Number of links
133 internal / 19 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
National Institute of Standards and Technology
The length of the page title is perfect. (415 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
NIST promotes U.S. innovation and industrial competitiveness by advancing measurement science, standards, and technology in ways that enhance economic security and improve our quality of life
The meta description is too long: 1213 pixels from max. 1000 pixels. Optimize description
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.nist.gov/
There is a valid canonical link specified.
Language
(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)
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
descriptionNIST promotes U.S. innovation and industrial competitiveness by advancing measurement science, standards, and technology in ways that enhance economic security and improve our quality of life
citation_titleNational Institute of Standards and Technology | NIST
dcterms.titleNational Institute of Standards and Technology
dcterms.subjectWorking with industry and science to advance innovation and improve quality of life.
dcterms.typetext
dcterms.formattext/html
dcterms.identifierhttps://www.nist.gov/national-institute-standards-and-technology
dcterms.sourceNIST
dcterms.modified2025-03-17T10:02-04:00
msvalidate.019802F04AC0DBFA09E639BA8F2E349685
google-site-verificationQMu0ODkER3rN5hLcMLqNVf7e3bkjYsNLTuhqfH48jCA
GeneratorDrupal 10 (https://www.drupal.org)
MobileOptimizedwidth
HandheldFriendlytrue
viewportwidth=device-width, initial-scale=1.0
nist_search_modified2025-03-17T10:02:00-04:00
nist_search_bundlehomepage
langen
twitter:cardsummary_large_image
twitter:descriptionNIST promotes U.S. innovation and industrial competitiveness by advancing measurement science, standards, and technology in ways that enhance economic security and improve our quality of life
twitter:siteNIST
twitter:titleNational Institute of Standards and Technology
twitter:imagehttps://www.nist.gov/themes/custom/nist_www/img/homepage/nist_mark.png
twitter:image:altNIST Logo
og:site_nameNIST
og:typewebsite
og:urlhttps://www.nist.gov/
og:titleNational Institute of Standards and Technology
og:descriptionNIST promotes U.S. innovation and industrial competitiveness by advancing measurement science, standards, and technology in ways that enhance economic security and improve our quality of life
og:imagehttps://www.nist.gov/themes/custom/nist_www/img/homepage/nist_mark.png
og:image:width2048
og:image:height1152
og:image:altNIST Logo
charsetutf-8

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Page quality

Content
(Critically important)
This page contains 676 words. That's ok.
22.5% 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.
7 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 11 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
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 14 tags for this page.
Image SEO
(Somewhat important)
2 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
...onent-library/dist/img/us_flag_small.pngU.S. flag
...ponent-library/dist/img/icon-dot-gov.svgNo alt attribute provided
...omponent-library/dist/img/icon-https.svgNo alt attribute provided
...ry/dist/img/logo/nist_logo_sidestack.svgNational Institute of Standards and Technology
.../dist/img/logo/NIST-Logo-Brand-White.svgNational Institute of Standards and Technology
.../dist/img/usa-icons-bg/search--white.svgSearch
..._www/img/homepage/chips_logo_mark.png?v1CHIPS.gov logo
...4058_square.JPG?h=7dcb60fd&itok=0k65at3BA scientist wearing protective equipment places a tray of diced geoduck clam tissue into large open machinery.
...re-standardization-vid.jpg?itok=RAhwMLDpCollage illustration of servers, laptops and phones is divided into left "Old Encryption Standards" and right "New Encryption Standards."
...ce_Material.jpg?h=9b44b537&itok=aDhYVs1NA white box labeled "8048 Human Fecal Material" lies open, with a tray of four plastic vials pulled out.
...1122DAL (4).png?h=60a9e832&itok=DIAI2lNjThree qubits appear in an artist’s conception as X-shaped icons that fit together.
..._2284126663.jpg?h=031c4efc&itok=bF7Lk6YJHands rest on a laptop keyboard beneath a floating overlay of computer code and connecting lines.
...uly-14-2021.jpg?h=43dd4ade&itok=dCK1Dj0jLidar image of building collapse site looks like a black-and-white photo with some parts of the remaining walls marked in yellow and red.
...DP6973_Edit.png?h=ec68ab68&itok=13rzR328Researcher working in lab with safety glasses and gloves
...ak_1_021125.png?h=97a798bd&itok=w6Uvkek7Justyna Zwolak poses for a casual photo outdoors on the NIST campus.
...g/homepage/wattbalance_1600_x_800.jpg?v1Photograph of the NIST-4 Kibble watt balance in blue light.
...age/nist_gaithersburg_campus_2400.jpg?v1Photograph of the NIST Gaithersburg Campus
.../dist/img/logo/NIST-Logo-Brand-White.svgNational Institute of Standards and Technology logo

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 Driving Innovation
H2 What we do
H2 CHIPS for America
H2 NIST in your State
H2 What’s new
H2 America’s national measurement institute
H2 NIST in your inbox
H3 NIST Researchers Develop Material for Measuring Arsenic in Shellfish
H3 NIST Selects HQC as Fifth Algorithm for Post-Quantum Encryption
H3 NIST Releases Reference Material to Aid Gut Microbiome Research
H3 International Year of Quantum Science and Technology
H3 NIST Finalizes Guidelines for Evaluating ‘Differential Privacy’ Guarantees to De-Identify Data
H3 NIST Report to Congress Provides Update on Champlain Towers South Investigation
H3 NIST Develops Genetic Material for Validating H5N1 Bird Flu Diagnostic Tests
H3 Marie Skłodowska-Curie: A Legacy of Innovation and Empowerment for Women in Science
H3 HEADQUARTERS
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 19 external links on this page.
LinkAttributesAnchor text
https://www.nist.gov/Anchor Skip to main content
https://www.nist.gov/IMG-ALT National Institute of Standards and Technology
A-TITLE National Institute of Standards and Technology
https://www.nist.gov/careersCareers
https://shop.nist.gov/External Subdomain Shop
/about-nist/contact-usContact
https://www.nist.gov/publicationsPublications
https://www.nist.gov/topicsAll Topics
/advanced-communicationsAdvanced communications
/artificial-intelligenceArtificial intelligence
https://www.nist.gov/bioscienceBioscience
/buildings-constructionBuildings and construction
https://www.nist.gov/chemistryChemistry
/cybersecurityCybersecurity
https://www.nist.gov/electronicsElectronics
https://www.nist.gov/energyEnergy
https://www.nist.gov/environmentEnvironment
https://www.nist.gov/fireFire
/forensic-scienceForensic science
https://www.nist.gov/healthHealth
/information-technologyInformation technology
/infrastructureInfrastructure
/manufacturingManufacturing
https://www.nist.gov/materialsMaterials
/mathematics-statisticsMathematics and statistics
https://www.nist.gov/metrologyMetrology
/nanotechnologyNanotechnology
/neutron-researchNeutron research
/performance-excellencePerformance excellence
https://www.nist.gov/physicsPhysics
/public-safetyPublic safety
/quantum-information-scienceQuantum information science
https://www.nist.gov/resilienceResilience
https://www.nist.gov/standardsStandards
/transportationTransportation
https://www.nist.gov/adlpAssoc Director of Laboratory Programs
https://www.nist.gov/laboratoriesLaboratories
https://www.nist.gov/ctlCommunications Technology Laboratory
https://www.nist.gov/elEngineering Laboratory
https://www.nist.gov/itlInformation Technology Laboratory
https://www.nist.gov/mmlMaterial Measurement Laboratory
https://www.nist.gov/pmlPhysical Measurement Laboratory
/user-facilitiesUser Facilities
https://www.nist.gov/ncnrNIST Center for Neutron Research
https://www.nist.gov/cnstCNST NanoFab
/labs-major-programs/research-...Research Test Beds
/laboratories/projects-programsResearch Projects
/laboratories/tools-instrumentsTools & Instruments
/major-programsMajor Programs
https://www.nist.gov/baldrigeBaldrige Performance Excellence Program
https://www.nist.gov/chipsCHIPS for America Initiative
https://www.nist.gov/mepManufacturing Extension Partnership (MEP)
https://www.nist.gov/oamOffice of Advanced Manufacturing
https://www.nist.gov/spoSpecial Programs Office
https://www.nist.gov/tpoTechnology Partnerships Office
/standards-measurementsStandards and Measurements
https://www.nist.gov/calibrationsCalibration Services
https://www.nist.gov/nvlapLaboratory Accreditation (NVLAP)
/nist-quality-systemQuality System
https://www.nist.gov/srmStandard Reference Materials (SRMs)
https://www.nist.gov/sriStandard Reference Instruments (SRIs)
https://www.nist.gov/standardsgovStandards.gov
/pml/time-and-frequency-divisi...Time Services
https://www.nist.gov/pml/owmOffice of Weights and Measures
/services-resources/softwareSoftware
https://www.nist.gov/dataData
https://webbook.nist.gov/chemi...External Subdomain Chemistry WebBook
https://nvd.nist.gov/External Subdomain National Vulnerability Database
/pml/productsservices/physical...Physical Reference Data
https://www.nist.gov/srdStandard Reference Data (SRD)
https://shop.nist.gov/External Subdomain Storefront
https://www.nist.gov/tpoLicense & Patents
https://csrc.nist.gov/External Subdomain Computer Security Resource Center (CSRC)
/nist-research-libraryNIST Research Library
/news-events/newsNews
/news-events/eventsEvents
https://www.nist.gov/blogsBlogs
/feature-storiesFeature Stories
https://www.nist.gov/awardsAwards
/video-galleryVideo Gallery
/image-galleryImage Gallery
/pao/media-contactsMedia Contacts
https://www.nist.gov/about-nistAbout Us
/director/leadershipLeadership
/director/nist-organization-st...Organization Structure
/about-nist/budget-planningBudget & Planning
/about-nist/contact-usContact Us
/about-nist/visitVisit
https://www.nist.gov/careersText duplicate Careers
/iaao/academic-affairs-officeStudent programs
/about-nist/work-nistWork with NIST
https://www.nist.gov/historyHistory
http://nistdigitalarchives.con...External Subdomain NIST Digital Archives
https://www.nist.gov/nist-museumNIST Museum
/nist-and-nobelNIST and the Nobel
https://www.nist.gov/educationEducational Resources
/artificial-intelligenceArtificial Intelligence
/cybersecurityText duplicate Cybersecurity
/manufacturingText duplicate Manufacturing
https://www.nist.gov/energyText duplicate Energy
/health-bioscienceHealth & Bioscience
/advanced-communicationsNext-Gen Communications
/quantum-information-scienceQuantum Science
https://www.nist.gov/standardsText duplicate Standards
https://www.nist.gov/topicsSee more topics
https://www.nist.gov/chipsCHIPS for America
A-TITLE Learn more at chips.gov
https://www.nist.gov/chipsIMG-ALT CHIPS.gov logo
A-TITLE Learn more at chips.gov
https://www.nist.gov/chipsLearn more
A-TITLE Learn more at chips.gov
https://www.nist.gov/statesNIST in your State
https://www.nist.gov/statesText duplicate Learn more
/news-events/news/2025/03/nist...NIST Researchers Develop Material for Measuring Arsenic in Shellfish
IMG-ALT A scientist wearing protective equipment places a tray of diced geoduck clam tissue into large open machinery.
A-TITLE Go to NIST Researchers Develop Material for Measuring Arsenic in Shellfish
/news-events/news/2025/03/nist...NIST Selects HQC as Fifth Algorithm for Post-Quantum Encryption
IMG-ALT Collage illustration of servers, laptops and phones is divided into left "Old Encryption Standards" and right "New Encryption Standards."
A-TITLE Go to NIST Selects HQC as Fifth Algorithm for Post-Quantum Encryption
/news-events/news/2025/03/nist...NIST Releases Reference Material to Aid Gut Microbiome Research
IMG-ALT A white box labeled "8048 Human Fecal Material" lies open, with a tray of four plastic vials pulled out.
A-TITLE Go to NIST Releases Reference Material to Aid Gut Microbiome Research
/physics/international-year-qu...International Year of Quantum Science and Technology
IMG-ALT Three qubits appear in an artist’s conception as X-shaped icons that fit together.
A-TITLE Go to International Year of Quantum Science and Technology
/news-events/news/2025/03/nist...IMG-ALT Hands rest on a laptop keyboard beneath a floating overlay of computer code and connecting lines.
/news-events/news/2025/03/nist...NIST Finalizes Guidelines for Evaluating ‘Differential Privacy’ Guarantees to De-Identify Data
/news-events/news/2025/02/nist...IMG-ALT Lidar image of building collapse site looks like a black-and-white photo with some parts of the remaining walls marked in yellow and red.
/news-events/news/2025/02/nist...NIST Report to Congress Provides Update on Champlain Towers South Investigation
/news-events/news/2025/01/nist...IMG-ALT Researcher working in lab with safety glasses and gloves
/news-events/news/2025/01/nist...NIST Develops Genetic Material for Validating H5N1 Bird Flu Diagnostic Tests
/blogs/taking-measure/marie-sk...IMG-ALT Justyna Zwolak poses for a casual photo outdoors on the NIST campus.
/blogs/taking-measure/marie-sk...Marie Skłodowska-Curie: A Legacy of Innovation and Empowerment for Women in Science
/news-events/newsSee NIST News
https://www.nist.gov/nmiFAQ
/services-resources/standards-...Text duplicate Standards and Measurements
/nist-works-youHow NIST’s Measurements Work for You
https://public.govdelivery.com...External Subdomain Sign Up
https://www.nist.gov/IMG-ALT National Institute of Standards and Technology logo
A-TITLE National Institute of Standards and Technology
/about-nist/contact-usSubdomain Text duplicate Contact Us
https://www.nist.gov/visitSubdomain Our Other Offices
https://x.com/NISTExternal X.com
https://www.facebook.com/NISTExternal Subdomain Facebook
https://www.linkedin.com/compa...External Subdomain LinkedIn
https://www.instagram.com/nist/External Subdomain Instagram
https://www.youtube.com/NISTExternal Subdomain YouTube
https://giphy.com/nistExternal Giphy
/news-events/nist-rss-feedsSubdomain RSS Feed
https://public.govdelivery.com...External Subdomain Mailing List
/form/nist-gov-feedback?destin...Nofollow Feedback
A-TITLE Provide feedback
/privacy-policySubdomain Site Privacy
/oism/accessibilitySubdomain Accessibility
https://www.nist.gov/privacySubdomain Privacy Program
/oism/copyrightsSubdomain Copyrights
https://www.commerce.gov/vulne...External Subdomain Vulnerability Disclosure
/no-fear-act-policySubdomain No Fear Act Policy
/office-director/freedom-infor...Subdomain FOIA
/environmental-policy-statementSubdomain Environmental Policy
/summary-report-scientific-int...Subdomain Scientific Integrity
/nist-information-quality-stan...Subdomain Information Quality Standards
https://www.commerce.gov/External Subdomain Commerce.gov
http://www.science.gov/External Subdomain Science.gov
http://www.usa.gov/External Subdomain USA.gov
https://vote.gov/External Vote.gov

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.nist.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 (1.30 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.
This page loads 4 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 (93 kB).

HTTP Response Header

NameValue
accept-rangesbytes
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cache-controlmax-age=32400, public
content-encodinggzip
content-languageen
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content-typetext/html; charset=UTF-8
dateTue, 18 Mar 2025 14:48:51 GMT
etag"1742272952"
expiresSun, 19 Nov 1978 05:00:00 GMT
last-modifiedTue, 18 Mar 2025 04:42:32 GMT
servernginx
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External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 56,860 referring domains.
This page has 5,017,553 backlinks.
This page has backlinks from 33,304 different ip addresses.

Robots.txt

#
# 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.md
Disallow: /composer/Metapackage/README.txt
Disallow: /composer/Plugin/ProjectMessage/README.md
Disallow: /composer/Plugin/Scaffold/README.md
Disallow: /composer/Plugin/VendorHardening/README.txt
Disallow: /composer/Template/README.txt
Disallow: /modules/README.txt
Disallow: /sites/README.txt
Disallow: /themes/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

# Noindex files
Disallow: /system/files/documents/noindex/
Disallow: /index.php/system/files/documents/noindex/

# Search
Disallow: /fusion-search
Disallow: /index.php/fusion-search
Disallow: /site-search
Disallow: /index.php/site-search
Disallow: /search
Disallow: /index.php/search

# Disallow facet links
Disallow: *?f%5B*
Disallow: *&f%5B*

# Sitemap
Sitemap: https://www.nist.gov/sitemap.xml

Search preview

www.nist.gov
National Institute of Standards and Technology
NIST promotes U.S. innovation and industrial competitiveness by advancing measurement science, standards, and technology in ways that enhance economic security and improve our quality of life

Most important keywords

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

KeywordResultRecheck
nist65%Check
technology62%Check
Science and Technology62%Check
Standard61%Check
Standards59%Check
National56%Check
gov54%Check
science54%Check
Innovation54%Check
National Institute Standards54%Check

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