Nsf.gov - SEO Checker

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Overview of the SEO Check
Meta information
80% 
Page quality
66% 
Page structure
100% 
Link structure
70% 
Server
90% 
External factors
100% 
SEO Score
Response time
1.92 s
File size
82.40 kB
Words
495
Media files
35
Number of links
19 internal / 47 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
NSF - National Science Foundation
The length of the page title is perfect. (316 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
NSF's mission is to advance the progress of science, a mission accomplished by funding proposals for research and education made by scientists, engineers, and educators from across the country.
The meta description is too long: 1215 pixels from max. 1000 pixels. Optimize description
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.nsf.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
descriptionNSF's mission is to advance the progress of science, a mission accomplished by funding proposals for research and education made by scientists, engineers, and educators from across the country.
keywordsNational Science Foundation, NSF, Science, Engineering, Education, National Science Foundation jobs, NSF jobs, NSF careers, Military Veteran jobs, Minorities in science, Programs for Veterans, Programs for people with disabilities, Programs for graduates
GeneratorDrupal 10 (https://www.drupal.org)
MobileOptimizedwidth
HandheldFriendlytrue
viewportwidth=device-width, initial-scale=1.0
langen
twitter:cardsummary_large_image
twitter:site@NSF
twitter:titleNSF - National Science Foundation
twitter:imagehttps://www.nsf.gov/themes/custom/nsf_theme/logo-200x200.png
og:site_nameNSF - National Science Foundation
og:urlhttps://www.nsf.gov/
og:titleNSF - National Science Foundation
og:imagehttps://www.nsf.gov/themes/custom/nsf_theme/logo-200x200.png
charsetutf-8

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Page quality

Content
(Critically important)
There are only 495 words on this page. Good pages should have about 800 words of useful content.
The average number of words per sentence of 8.5 words is low.
28.5% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
Words from the H1 heading are used in the page content.
The page contains a listing, which indicates a good text layout.
5 paragraphs were found on this page.
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)
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 10 tags for this page.
Image SEO
(Somewhat important)
3 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
...plugins/uswds/dist/img/us_flag_small.pngNo alt attribute provided
.../plugins/uswds/dist/img/icon-dot-gov.svgNo alt attribute provided
...ts/plugins/uswds/dist/img/icon-https.svgNo alt attribute provided
...mponents/molecules/logo/logo-desktop.svgNSF - National Science Foundation - Home
...omponents/molecules/logo/logo-mobile.svgNSF - National Science Foundation - Home
...ents/images/icons/close-base-darkest.svgClose navigation
....ro1R0Aarf334UJyphhmWm56K_&itok=nURj_3N8Researchers gathered on rocks on the edge of a creek.
...rsionId=HylRMtQUwYTocn.ynz_bb1JwVcb_zMS6Find & apply for funding
...rsionId=q4NtPRyc73_9J3MfkWUtFk_iMPv1.28pExplore NSF discoveries
...rsionId=F0KF45BlLkZPFElgJ9JMCcJYc0SWMJE7Our focus areas
...rsionId=cXdN23Fa8255PdAWeJDTOw9UsjJdIQ5tWhat we've funded
...f_iconset/facebook-icon_square_32x32.pngFacebook
...sf_iconset/twitter-icon_square_32x32.pngTwitter
..._iconset/instagram-icon_square_32x32.pngInstagram
...sf_iconset/youtube-icon_square_32x32.pngYouTube
...f_iconset/linkedin-icon_square_32x32.pngLinkedIn
...nsf_iconset/nsfrss-icon_square_32x32.pngRSS
...uptS.rCFvPM2RUzNj.rNdEEy_q&itok=nFelWZfcTurbulent mixing of a magnetized plasma
...9J_sWjo_9PmdyyruBYJxgSNw9l&itok=AcMc68JOairplane digital twin
...trXdsnZM3MHaf2d2jyvnCZUKP.&itok=TX55HibqThe East Troublesome Fire spawns a fire tornado as it approaches the Grand Lake area.
...XCATpEfNJiXhsQB44Pm66tOou7&itok=gPo74CjJwoman sitting in wheel chair controlling a flying drone
....jScHt0ciQKFJ0JiZbgSBF4Cx2&itok=GuQuAZ9Xlandscape of the glaciers of the Tibetan Plateau include the Guliya Ice Cap.
...LGttBfw9nMHI2t6aV9vNWR&itok=Pu6Nqd8oPromote discovery in science & engineering
...1cC7udG6GdnbJXB3Gmno65&itok=zQ1IzOTpAccelerate technology & innovation
...T.EBFPqEEBAWH5pmTgQSGz&itok=JBQCfFyVAdvance diversity in science & engineering
...nSFUjoF68ARic1WVGdyEAKcwkY&itok=l5X-0RYzPhoto of NSF Director, Sethuraman Panchanathan
...s/molecules/logo/logo-desktop--white.svgNSF - National Science Foundation - Home
...s/molecules/logo/logo-desktop--white.svgNSF - National Science Foundation - Home
...f_iconset/facebook-icon_square_32x32.pngFacebook
...sf_iconset/twitter-icon_square_32x32.pngTwitter
..._iconset/instagram-icon_square_32x32.pngInstagram
...sf_iconset/youtube-icon_square_32x32.pngYouTube
...f_iconset/linkedin-icon_square_32x32.pngLinkedIn
...nsf_iconset/nsfrss-icon_square_32x32.pngRSS
Video URLWidthHeight
...rsionId=nkN23AUvw5DT7PayM8npiDVcuBEoXCBO

Page structure

H1 heading
(Critically important)
Innovation Anywhere, Opportunity Everywhere
The H1 heading is perfect.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 Innovation Anywhere, Opportunity Everywhere
H2 Get the latest news on topics you choose, right in your inbox.
H2 What's new
H2 Digital twins beginning to deliver real-world benefits
H2 Our priorities
H2 NSF by the numbers
H2 Footer
H2 Required Policy Links
H3 Sounding the alarm: Fire's speed is more threatening than its size
H3 NSF supports efforts to emphasize the ability in 'disability'
H3 Lead pollution in a remote Tibetan glacier reveals far-reaching human activities
H3 About Us
H3 What's New
H3 Information For
H3 Resources
Baselink: https://new.nsf.gov
The URL specified in the base tag refers to another domain.
Some internal links have dynamic parameters. All internal URLs, which are not marked as nofollow, should not contain dynamic parameters.
Some anchor texts are used more than once.
The number of internal links is ok.
None of the anchor texts is too long.
There are too many external links (47) on this page.

Found links on this page

LinkAttributesAnchor text
https://new.nsf.gov/External Anchor Skip to main content
/pubs/2025/nsf25011/nsf25011.jspSubdomain Dear Colleague Letter (NSF 25-011
/publications/pub_summ.jsp?ods...Subdomain )
https://new.nsf.gov/External IMG-ALT NSF - National Science Foundation - Home
A-TITLE NSF - National Science Foundation - Home
https://new.nsf.gov/aboutExternal Learn more
https://www.nsf.gov/Subdomain Anchor View image credit & caption
https://new.nsf.gov/fundingExternal Find & apply for funding
https://new.nsf.gov/newsExternal Explore NSF discoveries
https://new.nsf.gov/focus-areasExternal Our focus areas
https://www.nsf.gov/awardsearch/Subdomain What we've funded
https://service.govdelivery.co...External Subdomain Sign up
A-TITLE Sign up
https://www.facebook.com/US.NSFExternal Subdomain IMG-ALT Facebook
https://www.twitter.com/NSFExternal Subdomain IMG-ALT Twitter
A-TITLE X (formerly known as Twitter)
https://www.instagram.com/nsfgovExternal Subdomain IMG-ALT Instagram
https://www.youtube.com/user/V...External Subdomain IMG-ALT YouTube
https://www.linkedin.com/compa...External Subdomain IMG-ALT LinkedIn
https://nsf.gov/rssIMG-ALT RSS
https://new.nsf.gov/science-ma...External Digital twins beginning to deliver real-world benefits
https://new.nsf.gov/news/sound...External Sounding the alarm: Fire's speed is more threatening than its size
https://new.nsf.gov/science-ma...External NSF supports efforts to emphasize the ability in 'disability'
https://new.nsf.gov/news/lead-...External Lead pollution in a remote Tibetan glacier reveals far-reaching human activities
https://new.nsf.gov/newsExternal Explore all news
A-TITLE Explore all news
https://new.nsf.gov/focus-areasExternal Promote discovery in science & engineering
https://new.nsf.gov/tipExternal Accelerate technology & innovation
https://new.nsf.gov/funding/in...External Advance diversity in science & engineering
https://new.nsf.gov/focus-areasExternal Explore what we support
A-TITLE Explore what we support
https://new.nsf.gov/impactsExternal Learn more about our impacts
A-TITLE Learn more about our impacts
https://www.nsf.gov/Subdomain Top
https://new.nsf.gov/External Text duplicate IMG-ALT NSF - National Science Foundation - Home
A-TITLE NSF - National Science Foundation - Home
https://service.govdelivery.co...External Subdomain Sign up for email updates
https://www.facebook.com/US.NSFExternal Subdomain Text duplicate IMG-ALT Facebook
https://www.twitter.com/NSFExternal Subdomain Text duplicate IMG-ALT Twitter
A-TITLE X (formerly known as Twitter)
https://www.instagram.com/nsfgovExternal Subdomain Text duplicate IMG-ALT Instagram
https://www.youtube.com/user/V...External Subdomain Text duplicate IMG-ALT YouTube
https://www.linkedin.com/compa...External Subdomain Text duplicate IMG-ALT LinkedIn
https://nsf.gov/rssText duplicate IMG-ALT RSS
https://www.nsf.gov/aboutSubdomain About NSF
https://new.nsf.gov/careersExternal Careers
https://new.nsf.gov/about/dire...External Our Directorates & Offices
https://www.nsf.gov/nsb/Subdomain National Science Board
https://new.nsf.gov/about/cont...External Contact Us
https://new.nsf.gov/newsExternal News & Announcements
https://new.nsf.gov/eventsExternal Events
https://new.nsf.gov/science-ma...External Science Matters Blog
/news/mmg/index.jspSubdomain Multimedia Gallery
https://new.nsf.gov/fundingExternal Funding Seekers
https://new.nsf.gov/awardsExternal NSF Awardees
https://new.nsf.gov/about/cong...External Congress
https://new.nsf.gov/newsExternal Media
/news/classroom/index.jspSubdomain Educators
https://new.nsf.gov/about/meet...External Panelists
https://www.nsf.gov/publications/Subdomain Documents & Reports
https://new.nsf.gov/about/budgetExternal Budget, Performance & Financial Reporting
https://new.nsf.gov/public-accessExternal Public Access
https://new.nsf.gov/stopping-h...External Stopping Harassment
https://new.nsf.gov/research-s...External Research Security
https://new.nsf.gov/policies/s...External Scientific Integrity
https://www.research.gov/resea...External Subdomain Research.gov
/policies/vulnerability-disclo...Subdomain Vulnerability disclosure
https://www.nsf.gov/oig/Subdomain Inspector General
/policies/privacySubdomain Privacy
https://www.nsf.gov/policies/foiaSubdomain FOIA
/od/oecr/no-fear-actSubdomain No FEAR Act
https://www.usa.gov/External Subdomain USA.gov
/policies/accessibilitySubdomain Accessibility
/policies/nsf_plain_language.jspSubdomain Plain language

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.nsf.gov/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time is very slow (1.92 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 5 JavaScript files. This may affect the load time negatively.
This page only loads 2 CSS files. That's ok.
The file size of the HTML document is fine (82 kB).

HTTP Response Header

NameValue
dateSun, 27 Oct 2024 00:28:36 GMT
content-typetext/html; charset=UTF-8
connectionclose
serverApache
x-content-type-optionsnosniff
varyX-NSF-ClientIp,Accept-Encoding,Cookie
cache-controlmax-age=1800, public, s-maxage=1800, stale-if-error=1800, stale-while-revalidate=300
x-drupal-dynamic-cacheHIT
content-languageen
x-frame-optionsSAMEORIGIN
expiresSun, 19 Nov 1978 05:00:00 GMT
last-modifiedSat, 26 Oct 2024 23:28:31 GMT
etag"1729985311-gzip"
x-generatorDrupal 10 (https://www.drupal.org)
x-drupal-cacheHIT
content-encodinggzip
x-xss-protection1; mode=block
strict-transport-securitymax-age=31536000
content-security-policyframe-ancestors 'self'
statuscode200
http_versionHTTP/1.1

External factors

This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 37,137 referring domains.
This page has 12,667,508 backlinks.
This page has backlinks from 22,855 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

# robots.txt for https://www.nsf.gov/

Sitemap:  https://www.nsf.gov/sitemap.xml

User-agent: bingbot
Disallow: /cgi-bin/
Disallow: /awardsearch/advancedSearchNoScript*
Disallow: /awards/award_visualization.jsp*
Disallow: /awards/award_visualization_noscript.jsp*
Disallow: /events/event_calendar.jsp*

User-agent: Googlebot  
Disallow: /cgi-bin/
Disallow: /awardsearch/advancedSearchNoScript*
Disallow: /awards/award_visualization.jsp*
Disallow: /awards/award_visualization_noscript.jsp*
Disallow: /events/event_calendar.jsp*

# Statistics bot
User-agent: archive.org_bot
Disallow: /cgi-bin/
Crawl-delay: 1

# Everyone else
User-agent: *                  
Disallow: /cgi-bin/
Disallow: /awardsearch/
Disallow: /awardsearch/advancedSearchNoScript*
Disallow: /awards/award_visualization.jsp*
Disallow: /awards/award_visualization_noscript.jsp*
Disallow: /events/event_calendar.jsp*
Crawl-delay: 1

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Search preview

www.nsf.gov
NSF - National Science Foundation
NSF's mission is to advance the progress of science, a mission accomplished by funding proposals for research and education made by scientists, engineers, and educators from across the country.

Most important keywords

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

KeywordResultRecheck
NSF81%Check
science59%Check
National Science54%Check
Science Foundation54%Check
gov52%Check
Innovation52%Check
National Science Foundation51%Check
Opportunity50%Check
Research48%Check
Funding48%Check
Show more keywords and terms

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