Nccs.nasa.gov - SEO Checker

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Overview of the SEO Check
Meta information
59% 
Page quality
35% 
Page structure
50% 
Link structure
90% 
Server
54% 
External factors
100% 
SEO Score
Response time
1.17 s
File size
577.20 kB
Words
321
Media files
12
Number of links
52 internal / 3 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
NASA Center for Climate Simulation | High Performance Computing for Science
The page title should be shorter than 580 pixels. It is 711 pixels long. Optimize title
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: 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)
This page is hosted on a subdomain. Use a top level domain for better SEO results.
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
GeneratorDrupal 7 (http://drupal.org)
langen
charsetutf-8

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Page quality

Content
(Critically important)
There are only 321 words on this page. Good pages should have about 800 words of useful content.
The average number of words per sentence of 38 words is high.
18.1% 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.
7 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 19 JavaScript files. This may affect the load time negatively.
The file size of the HTML document is very large (577.2 kB).
A viewport "width=device-width" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 6 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
/sites/default/files/NCCS_Logo_0.pngNo alt attribute provided
/sites/default/files/pictures/nasa_logo.pngNo alt attribute provided
/sites/default/files/thundersnow_slider.jpgAtmospheric Research
.../files/field_campaigns_2022_slider_1.pngNASA Field Campaign Support
...ault/files/slider_privé_spotlight_0.jpgNASA Satellite Instrument Support
/sites/default/files/prox_b_slider.jpgExoplanet Atmospheres
/sites/default/files/Beowulf-slider.pngHigh Performance Computing
...t/files/Tree_Census_Slider_Alternate.pngArtificial Intelligence/Machine Learning
...s/default/files/SMAP_Figure3_Jul2025.png"Visualization of 800-hPa wind velocity [m/s] at 00z on Mar 9, 2019, in the control experiment (top) and the experiment with SMAP data assimilation (bottom)").
...fault/files/gmao_campaigns_2023_2024.pngMap showing 12 campaigns the GMAO supported in 2023 and 2024
/sites/default/files/SAGE_III_cover.pngStratospheric water vapor anomaly profiles in M2-SCREAM (a), SAGE DAS (b), and Control (c)
...ult/files/pictures/nasa-goddard-logo.pngNo alt attribute provided

Page structure

H1 heading
(Critically important)
NASA Center for Climate Simulation
Too many H1 headings
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H1 NASA Center for Climate Simulation
H1 // RECENT NEWS
H1 The NCCS can provide innovative solutions to complex requirements like yours.
H1 // OUR SERVICES
H2 Search form
H2 The NCCS provides high performance computing for NASA-sponsored scientists and engineers.
H2 NCCS IN THE NEWS
H2 NCCS CONTACTS
H2 ABOUT US
H2 CONTACT US
H3 SMAP Radiance Assimi...
H3 GMAO Campaign Suppor...
H3 SAGE III/ISS Data As...
H3 HPC
H3 Cloud Computing
H3 Analytics
H3 Data Service
H5 High Performance Computing for Science
H5 Tuesday, July 15, 2025 - 15:20
H5 Thursday, June 26, 2025 - 08:55
H5 Wednesday, June 18, 2025 - 13:13
Some internal link anchor texts are too long.
Some anchor texts are used more than once.
There are 3 links with a trivial anchor text.
The number of internal links is ok.
All internal links are not using dynamic parameters.
There are 3 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.nccs.nasa.gov/Anchor Skip to main content
https://www.nccs.nasa.gov/A-TITLE Home
https://www.nccs.nasa.gov/NASA Center for Climate Simulation
A-TITLE Home
https://www.nccs.nasa.gov/HOME
/nccs-usersUSERS
/nccs-users/portalsPortals
/nccs-users/new-usersAccount Help
/nccs-users/user-eventsUser Events
/nccs-users/instructionalInstructionals
/servicesSERVICES
/services/high-performance-com...High Performance Computing
/services/cloud-computingCloud Computing
/services/analyticsAnalytics
/services/visualizationVisualization
/services/data-sharing-and-toolsData Sharing & Tools
/services/climate-data-servicesClimate Data Services
https://www.nccs.nasa.gov/systemsSYSTEMS
/systems/motdSystem Status
/systems/discoverDiscover
/systems/ADAPTADAPT
/systems/storage-systemsStorage Systems
/systems/data-portalDataPortal
/systems/hyperwallHyperwall
/systems/remote-visualizationRemote Visualization
/sci-techSCIENCE & TECHNOLOGY
/news-eventsNEWS & EVENTS
/news-events/events-conferencesEvents and Conferences
/about-usABOUT US
/about-us/emblemNCCS Emblem
/nccs-users/instructional/acco...Subdomain GET AN ACCOUNT
/LDAP_pwchange_Gateway.phpSubdomain RESET PASSWORD
/systems/motdSYSTEM STATUS/MOTD
/nccs-users/portalsPORTALS
/about-us/contact-usCONTACT US
/news-events/nccs-highlights/e...Subdomain Atmospheric Research
IMG-ALT Atmospheric Research
/news-events/nccs-highlights/G...Subdomain NASA Field Campaign Support
IMG-ALT NASA Field Campaign Support
/news-events/nccs-highlights/N...Subdomain NASA Satellite Instrument Support
IMG-ALT NASA Satellite Instrument Support
/news-events/nccs-highlights/p...Subdomain Exoplanet Atmospheres
IMG-ALT Exoplanet Atmospheres
/news-events/nccs-highlights/b...Subdomain Text duplicate High Performance Computing
IMG-ALT High Performance Computing
/news-events/nccs-highlights/c...Subdomain Artificial Intelligence/Machine Learning
IMG-ALT Artificial Intelligence/Machine Learning
/news-events/nccs-news/gmao-sm...IMG-ALT "Visualization of 800-hPa wind velocity [m/s] at 00z on Mar 9, 2019, in the control experiment (top) and the experiment with SMAP data assimilation (bottom)").
/news-events/nccs-news/gmao-sm...Trivial anchor text
READ MORE
/news-events/nccs-news/gmao-su...IMG-ALT Map showing 12 campaigns the GMAO supported in 2023 and 2024
/news-events/nccs-news/gmao-su...Text duplicate Trivial anchor text
READ MORE
/news-events/nccs-news/reducin...IMG-ALT Stratospheric water vapor anomaly profiles in M2-SCREAM (a), SAGE DAS (b), and Control (c)
/news-events/nccs-news/reducin...Text duplicate Trivial anchor text
READ MORE
/news-events/nccs-newsSEE MORE
/sci-tech/case-studiesSEE HOW
/services/high-performance-com...HPC
/services/cloud-computingText duplicate Cloud Computing
/services/analyticsText duplicate Analytics
/services/data-sharing-and-toolsData Service
https://www.nasa.gov/about/hig...External Subdomain NASA Privacy Policy & Important Notices
https://www.nasa.gov/general/a...External Subdomain NASA Accessibility Statement
https://science.gsfc.nasa.gov/...External Subdomain CISTO

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.nccs.nasa.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 (1.17 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 19 JavaScript files. This may affect the load time negatively.
The file size of the HTML document is very large (577 kB).
This page does not require any CSS files.

HTTP Response Header

NameValue
dateWed, 23 Jul 2025 15:20:00 GMT
serverApache
strict-transport-securitymax-age=31536000
x-content-type-optionsnosniff
expiresSun, 19 Nov 1978 05:00:00 GMT
cache-controlno-cache, must-revalidate
content-languageen
x-frame-optionsSAMEORIGIN
x-generatorDrupal 7 (http://drupal.org)
varyAccept-Encoding
content-encodinggzip
content-typetext/html; charset=utf-8
transfer-encodingchunked
statuscode200
http_versionHTTP/1.1

External factors

This website has excellent links from other websites.
This page has backlinks from 57 referring domains.
This page has 88 backlinks.
This page has backlinks from 56 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

No valid Robots.txt file was found.

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Search preview

Most important keywords

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

KeywordResultRecheck
NASA86%Check
NASA Center78%Check
Climate66%Check
Center66%Check
Simulation66%Check
Climate Simulation66%Check
Climate Data57%Check
NCCS56%Check
Performance Computing56%Check
High Performance56%Check
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