Software.nasa.gov - SEO Checker

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Overview of the SEO Check
Meta information
79% 
Page quality
90% 
Page structure
58% 
Link structure
100% 
Server
41% 
External factors
100% 
SEO Score
Response time
0.48 s
File size
40.70 kB
Words
1084
Media files
27
Number of links
35 internal / 24 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Home | NASA Software Catalog
The length of the page title is perfect. (284 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: 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
GeneratorDrupal 10 (https://www.drupal.org)
MobileOptimizedwidth
HandheldFriendlytrue
viewportwidth=device-width, initial-scale=1.0
langen
charsetutf-8

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Page quality

Content
(Critically important)
This page contains 1084 words. That's ok.
37.5% of the text are stop words.
The page contains a listing, which indicates a good text layout.
16 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 15.48 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 22 tags for this page.
Image SEO
(Somewhat important)
Alt text (alternative text) is correctly used on all found images.
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
...es/t2portal/images/t2.logo.horiz.rev.svgNASA Technology Transfer Logo
/themes/t2portal/images/search.svgsearch icon
/themes/t2portal/images/NASA.Logo.svgNASA Meatball
...Badge/Software-Catalog-Badge_No-Text.pngsoftware catalog icon
...fault/files/2021-05/Aeronautics-Icon.pngaero
...05/Design-and-Integration-Tools-Icon.pngcat
...y_Icons/Aeronautics/Aeronautics-Icon.pngAeronauticsAeronautics
...mous_Systems/Autonomous-Systems-Icon.pngAutonomous SystemsAutonomous Systems
...-Systems-and-Project-Management-Icon.pngBusiness Systems and Project ManagementBusiness Systems and Project Management
...e_Support/Crew-and-Life-Support-Icon.pngCrew and Life SupportCrew and Life Support
...ssing/Data-and-Image-Processing-Icon.pngData and Image ProcessingData and Image Processing
...Servers-Processing-and-Handling-Icon.pngDData Servers Processing and HandlingData Servers Processing and Handling
...ls/Design-and-Integration-Tools-Icon.pngDesign and Integration ToolsDesign and Integration Tools
...lectronics-and-Electrical-Power-Icon.pngElectronics and Electrical PowerElectronics and Electrical Power
...l_Science/Environmental-Science-Icon.pngEnvironmental ScienceEnvironmental Science
...ocesses/Materials-and-Processes-Icon.pngMaterials and ProcessesMaterials and Processes
...ory_Icons/Operations/Operations-Icon.pngOperationsOperations
...ory_Icons/Propulsion/Propulsion-Icon.pngPropulsionPropulsion
...nisms/Structures-and-Mechanisms-Icon.pngStructures and MechanismsStructures and Mechanisms
...s/System_Testing/System-Testing-Icon.pngSystem TestingSystem Testing
...e_Management/Vehicle-Management-Icon.pngVehicle ManagementVehicle Management
...es/Social_Media/f_logo_RGB-White_512.pngFacebook Logo
...ortal/images/Social_Media/logo-white.pngX Logo
...2portal/images/Social_Media/LinkedIn.pngLinkedin Logo
...t2portal/images/Social_Media/Youtube.pngYoutube Logo
/themes/t2portal/images/NASA.Logo.svghome
/themes/t2portal/images/main/Earth-Icon.svgNASA Technology Transfer Logo

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
There are no headings specified on the page. Headings are important for search engine optimization and help to structure your content.

Heading structure

No headings were found.
The number of internal links is ok.
Every linktext is unique.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 24 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://technology.nasa.gov/External Subdomain IMG-ALT NASA Technology Transfer Logo
https://technology.nasa.gov/pa...External Subdomain Patent Portfolio
https://software.nasa.gov/Software Catalog
https://spinoff.nasa.gov/External Subdomain Spinoff
https://technology.nasa.gov/vi...External Subdomain Virtual Events
https://technology.nasa.gov/ne...External Subdomain Contact
https://technology.nasa.gov/fe...External Subdomain Features
https://technology.nasa.gov/li...External Subdomain How to License
https://technology.nasa.gov/t2uExternal Subdomain Technology Transfer University
https://technology.nasa.gov/t2xExternal Subdomain Technology Transfer Expansion
https://technology.nasa.gov/an...External Subdomain Technology Transfer Metrics
https://technology.nasa.gov/blogExternal Subdomain Blog
https://technology.nasa.gov/ihofExternal Subdomain Inventors Hall of Fame
/remotesensingRemote Sensing Toolkit
https://technology.nasa.gov/as...External Subdomain Assistive Technologies
https://technology.nasa.gov/sa...External Subdomain Satellite Servicing Technologies
https://technology.nasa.gov/st...External Subdomain NASA’s Technology Transfer Program Strategic Framework
https://software.nasa.gov/loginLog In
https://software.nasa.gov/searchIMG-ALT search icon
https://www.nasa.gov/External Subdomain IMG-ALT NASA Meatball
https://software.nasa.gov/Subdomain IMG-ALT software catalog icon
https://software.nasa.gov/Subdomain SOFTWARE CATALOG
/software/LAR-13995-1Subdomain WINGDES2 - Wing Design And Analysis Code (WDES)
/software/GSC-18169-1Subdomain Mixed Reality Engineering Toolkit (MRET)
/software/category/allView all Categories
/software/category/aeronauticsAeronautics
IMG-ALT Aeronautics
/software/category/autonomous_...Autonomous Systems
IMG-ALT Autonomous Systems
/software/category/business_sy...Business Systems and Project Management
IMG-ALT Business Systems and Project Management
/software/category/crew_and_li...Crew and Life Support
IMG-ALT Crew and Life Support
/software/category/data_and_im...Data and Image Processing
IMG-ALT Data and Image Processing
/software/category/data_server...Data Servers Processing and Handling
IMG-ALT DData Servers Processing and Handling
/software/category/design_and_...Design and Integration Tools
IMG-ALT Design and Integration Tools
/software/category/electronics...Electronics and Electrical Power
IMG-ALT Electronics and Electrical Power
/software/category/environment...Environmental Science
IMG-ALT Environmental Science
/software/category/materials_a...Materials and Processes
IMG-ALT Materials and Processes
/software/category/operationsOperations
IMG-ALT Operations
/software/category/propulsionPropulsion
IMG-ALT Propulsion
/software/category/structures_...Structures and Mechanisms
IMG-ALT Structures and Mechanisms
/software/category/system_testingSystem Testing
IMG-ALT System Testing
/software/category/vehicle_man...Vehicle Management
IMG-ALT Vehicle Management
https://software.nasa.gov/contactSoftware Contacts
/sites/default/files/NASA_Soft...Download NASA's Software Catalog
https://software.nasa.gov/Anchor ᐳ Are the software codes and tools listed in the software catalog available at "no cost"?
https://software.nasa.gov/Anchor ᐳ How often is this site updated?
https://software.nasa.gov/Anchor ᐳ How do I request a software code?
https://software.nasa.gov/Anchor ᐳ What is a release type? How does it affect you?
https://software.nasa.gov/Anchor ᐳ Why is access to some software codes restricted?
https://software.nasa.gov/Anchor ᐳ Why do I need to provide a contract/grant/agreement name and number?
https://software.nasa.gov/Anchor ᐳ How long will the process take?
https://software.nasa.gov/Anchor ᐳ Whom do I contact if I have specific questions about specific codes located in the catalog or on this website?
https://software.nasa.gov/Anchor ᐳ What does "signatory authority" mean?
https://technology.nasa.gov/ne...External Subdomain Join our Newsletter
https://www.facebook.com/NASAT...External Subdomain IMG-ALT Facebook Logo
https://x.com/nasasolutionsExternal IMG-ALT X Logo
https://www.linkedin.com/compa...External Subdomain IMG-ALT Linkedin Logo
https://www.youtube.com/channe...External Subdomain IMG-ALT Youtube Logo
http://www.nasa.gov/External Subdomain IMG-ALT home
http://www.nasa.gov/about/high...External Subdomain Privacy Policy
https://www.nasa.gov/general/a...External Subdomain Accessibility

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://software.nasa.gov/"
HTTP header
(Important)
The HTML page should be transferred using GZip compression.
No X-Powered HTTP header is sent.
Performance
(Somewhat important)
The page response time of 0.48 seconds is longer than the recommended limit of 0.4 seconds. A high response time unnecessarily slows down search engine crawling and results in bad user experience as well.
The file size of the HTML document is fine (41 kB).

HTTP Response Header

NameValue
content-typetext/html; charset=UTF-8
content-length41659
dateThu, 20 Feb 2025 05:04:17 GMT
x-xss-protection1; mode=block
set-cookie178 Characters
serverApache
cache-controlmust-revalidate, no-cache, private
x-drupal-dynamic-cacheHIT
content-languageen
x-content-type-optionsnosniff
x-frame-optionsSAMEORIGIN, SAMEORIGIN
expiresSun, 19 Nov 1978 05:00:00 GMT
x-generatorDrupal 10 (https://www.drupal.org)
x-drupal-cacheHIT
strict-transport-securitymax-age=31536000; includeSubdomains
access-control-allow-originhttps://software.nasa.gov
x-cacheMiss from cloudfront
via1.1 7831c78db9d585e32d354900cc00dca6.cloudfront.net (CloudFront)
x-amz-cf-popFRA56-P4
x-amz-cf-idUb_Gdw-MzdmE72_NdYa5kKtm4oWK3ObS56hD_BI_jV1voyZRSr77nw==
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 504 referring domains.
This page has 2,839 backlinks.
This page has backlinks from 425 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

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

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software.nasa.gov
Home | NASA Software Catalog

Most important keywords

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

KeywordResultRecheck
Software61%Check
NASA61%Check
NASA software61%Check
NASA Software Catalog57%Check
Software Catalog56%Check
Catalog50%Check
NASA Technology49%Check
Center Software48%Check
software codes48%Check
request software48%Check
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