Nasa.gov - SEO Checker

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Overview of the SEO Check
Meta information
61% 
Page quality
83% 
Page structure
58% 
Link structure
62% 
Server
84% 
External factors
100% 
SEO Score
Response time
0.74 s
File size
310.30 kB
Words
744
Media files
41
Number of links
54 internal / 30 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
NASA
The page title is too short. (56 pixels of 580 max pixel length) Optimize title
The page title is only one word.
There are no duplicate words in the title
Meta description
(Critically important)
NASA.gov brings you the latest news, images and videos from America's space agency, pioneering the future in space exploration, scientific discovery and aeronautics research.
The meta description is too long: 1089 pixels from max. 1000 pixels. Optimize description
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.nasa.gov/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en-us
Server location: United States of America
The following language is defined by HTML: en-us
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
descriptionNASA.gov brings you the latest news, images and videos from America's space agency, pioneering the future in space exploration, scientific discovery and aeronautics research.
robotsfollow, index, max-snippet:-1, max-video-preview:-1, max-image-preview:large
application-nameNASA
msapplication-TileColor#da532c
theme-color#ffffff
msapplication-TileImagehttps://www.nasa.gov/wp-content/plugins/nasa-hds-core-setup/assets/favicons/mstile-144x144.png
msapplication-confighttps://www.nasa.gov/wp-content/plugins/nasa-hds-core-setup/assets/favicons/browserconfig.xml
msapplication-square70x70logohttps://www.nasa.gov/wp-content/plugins/nasa-hds-core-setup/assets/favicons/mstile-70x70.png
msapplication-square150x150logohttps://www.nasa.gov/wp-content/plugins/nasa-hds-core-setup/assets/favicons/mstile-150x150.png
msapplication-wide310x150logohttps://www.nasa.gov/wp-content/plugins/nasa-hds-core-setup/assets/favicons/mstile-310x150.png
msapplication-square310x310logohttps://www.nasa.gov/wp-content/plugins/nasa-hds-core-setup/assets/favicons/mstile-310x310.png
generatorWordPress 6.5.5
searchgov_custom11::128943
searchgov_custom2Empty
searchgov_custom3page
keywordsEmpty
parsely-titleNASA
parsely-linkhttps://www.nasa.gov
parsely-typeindex
article:published_time2022-12-07T13:25:23-05:00
article:modified_time2024-08-07T10:31:15-04:00
video:duration346
ya:ovs:upload_date2018-12-28T10:40:15-08:00
ya:ovs:allow_embedtrue
langen-us
twitter:cardsummary_large_image
twitter:titleNASA
twitter:descriptionNASA.gov brings you the latest news, images and videos from America's space agency, pioneering the future in space exploration, scientific discovery and aeronautics research.
twitter:imagehttps://www.nasa.gov/wp-content/uploads/2018/07/174116main_2006_01777_highres.jpg
og:localeen_US
og:typewebsite
og:titleNASA
og:descriptionNASA.gov brings you the latest news, images and videos from America's space agency, pioneering the future in space exploration, scientific discovery and aeronautics research.
og:urlhttps://www.nasa.gov/
og:site_nameNASA
og:updated_time2024-08-07T10:31:15-04:00
og:imagehttps://www.nasa.gov/wp-content/uploads/2018/07/174116main_2006_01777_highres.jpg
og:image:secure_urlhttps://www.nasa.gov/wp-content/uploads/2018/07/174116main_2006_01777_highres.jpg
og:image:width1024
og:image:height819
og:image:altNASA Meatball paint refresh
og:image:typeimage/jpeg
og:videohttps://www.youtube.com/embed/hNa4hz-HP9M
charsetUTF-8

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Page quality

Content
(Critically important)
This page contains 744 words. That's ok.
28.1% of the text are stop words.
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 18.24 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width, initial-scale=1" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 15 tags for this page.
Image SEO
(Somewhat important)
33 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
...emes/nasa/assets/images/[email protected]NASA Logo
...emes/nasa/assets/images/[email protected]NASA Logo
...ainsigniargb150px.png?w=150&h=150&crop=1NASA logo
...uploads/2024/07/iss071e329978.jpg?w=2048Northrop Grumman's Cygnus space freighter is attached to the leading end effector of the 57.7-foot-long Canadarm2 robotic arm about to be released into Earth orbit ending a five-and-a-half month cargo mission berthed to the International Space Station's Unity module.
...csnap-2024-07-30-11h17m11s477.png?w=1920No alt attribute provided
.../07/iss071e329978.jpg?w=150&h=150&crop=1Northrop Grumman's Cygnus space freighter is attached to the leading end effector of the 57.7-foot-long Canadarm2 robotic arm about to be released into Earth orbit ending a five-and-a-half month cargo mission berthed to the International Space Station's Unity module.
...7-30-11h17m11s477.png?w=150&h=150&crop=1No alt attribute provided
/wp-content/uploads/2024/08/iss.jpg?w=1024No alt attribute provided
...24/08/emergency-egress-testing.jpg?w=922No alt attribute provided
...s/2024/08/murphy-dome-scenics.jpg?w=1024No alt attribute provided
...rc-2019-h1_p_education-060733.jpg?w=1024No alt attribute provided
...stroviz-highlight-figure-1-jai-jeter.pngNo alt attribute provided
.../no2-us-2005-2022-no-dates-399-print.jpgNo alt attribute provided
...rop-subsampling-2.jpg?w=150&h=150&crop=1No alt attribute provided
...t-credit-preston-dyches-cc-by-nc-2-0.jpgNo alt attribute provided
...c-20240320-ph-ilw01-0052orig.jpeg?w=2048No alt attribute provided
...ov/wp-content/uploads/2023/09/OSS2-1.jpgNo alt attribute provided
...ontent/uploads/2023/05/pia03149-copy.jpgNo alt attribute provided
...content/uploads/2023/03/moon-1-jpeg.webpNo alt attribute provided
...asa.gov/image/PIA02494/PIA02494~orig.jpgNo alt attribute provided
...id-309003-eughtmileb-waus-lrg.jpg?w=2048Taken from the International Space Station (ISS) by the EarthKAM camera, this nadir (straight-down) photograph shows Australia’s famed Eighty Mile Beach. Despite its name, the beach is 140 miles (220 kilometers) long.
...nae-hubbleschmidt-1764-aaeb6f.png?w=1536No alt attribute provided
...20&h=1280&fit=clip&crop=faces,focalpointNo alt attribute provided
...20&h=1280&fit=clip&crop=faces,focalpointNo alt attribute provided
...20&h=1280&fit=clip&crop=faces,focalpointNo alt attribute provided
...20&h=1499&fit=clip&crop=faces,focalpointNo alt attribute provided
...20&h=1280&fit=clip&crop=faces,focalpointNo alt attribute provided
...20&h=1440&fit=clip&crop=faces,focalpointNo alt attribute provided
...10&h=1144&fit=clip&crop=faces,focalpointNo alt attribute provided
...20&h=1280&fit=clip&crop=faces,focalpointNo alt attribute provided
...20&h=1283&fit=clip&crop=faces,focalpointNo alt attribute provided
...ds/2023/01/webb-tarantula-neb.png?w=1536Space image with stars and swirls of colorful orange, red and white.
...s/2022/08/jsc2022e046413_orig.jpg?w=1024No alt attribute provided
.../2021/03/topic-humans-in-space.jpg?w=368No alt attribute provided
.../2023/06/icescapepondsample-lrg-jpg.webpNo alt attribute provided
.../06/solar-system-illustration-16x9-1.jpgNo alt attribute provided
...uploads/2023/09/ngc5068-1-flat-final.jpgNo alt attribute provided
...tsci-01h44ay5ztcv1npb227b2p650j-temp.pngNo alt attribute provided
...ploads/2022/12/aero-topic-card.jpg?w=610No alt attribute provided
...oads/2022/12/nasa_technology1.png?w=1017No alt attribute provided
...emes/nasa/assets/images/[email protected]NASA Logo

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
Some headings occur twice on the page.
The structure of headings is missing one or more levels. Do not skip heading levels.
There are 39 headings on the page. The amount of headings should be in a more proper relation to the amount of text.

Heading structure

Heading levelContent
H2 Suggested Searches
H2 LIVE 12:30 p.m. EDT (1630 UTC)
H2 Media Teleconference
H2 NASA’s Northrop Grumman CRS-21
H2 Space Olympics
H2 Featured News
H2 Jupiter's Ocean World
H2 Solar System Exploration
H2 Earth Information Center
H2 Image Of The Day
H2 Image Of The Day Duplicate text
H2 More NASA Images
H2 Explore the Universe from your Inbox
H2 More Topics from NASA
H3 SCIENCE ONBOARD
H3 COMMERCIAL SPACE
H3 NASA SCIENCE
H3 Landsat IMAGES
H3 TECHNOLOGY FOR ATHLETES
H3 Benefits for Humanity
H3 Planets
H3 Sun
H3 Moon
H3 Asteroids, Comets & Meteors
H3 Today
H3 Today Duplicate text
H3 Wildlife Birds Gallery
H3 Wildlife Reptiles Gallery
H3 Wildlife Mammals Gallery
H3 Missions
H3 Humans In Space
H3 Climate Change
H3 Our Solar System
H3 Universe
H3 Science News
H3 Aeronautics
H3 Technology
H3 National Aeronautics and Space Administration
H3 Follow NASA
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.
2 links don't have an anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
There are too many external links (30) on this page.

Found links on this page

LinkAttributesAnchor text
https://www.nasa.gov/Subdomain IMG-ALT NASA Logo
https://www.nasa.gov/Subdomain Text duplicate IMG-ALT NASA Logo
https://plus.nasa.gov/External Subdomain NASA+
/?search=Climate ChangeSubdomain Climate Change
/?search=ArtemisSubdomain Artemis
/?search=Expedition 64Subdomain Expedition 64
/?search=Mars perseveranceSubdomain Mars perseverance
/?search=SpaceX Crew-2Subdomain SpaceX Crew-2
/?search=International Space S...Subdomain International Space Station
/a-to-z-topics-listing/Subdomain View All Topics A-Z
https://www.nasa.gov/nasatv/Subdomain No Text
https://blogs.nasa.gov/commerc...External Subdomain Mission Updates
/general/overview-for-nasas-no...Subdomain Research Highlights
/international-space-station/c...Subdomain Resupplying the Space Station
/humans-in-space/living-in-space/Subdomain Living in Space
https://www.youtube.com/watch?...External Subdomain Watch
https://earthobservatory.nasa....External Subdomain Olympics From Above
https://www.tumblr.com/nasa/75...External Subdomain Space Age Swimsuit
/humans-in-space/benefits-your...Subdomain Your Orbiting Laboratory
/news/all-news/Subdomain More NASA News
/news-release/nasa-to-provide-...Subdomain News Release 2 Min Read NASA to Provide Crew Flight Test, Space Station Missions Update
/missions/artemis/artemis-2/ar...Subdomain Article 4 Min Read Artemis Emergency Egress System Emphasizes Crew Safety
/earth/tundra-vegetation-to-gr...Subdomain Article 4 Min Read Tundra Vegetation to Grow Taller, Greener Through 2100, NASA Study Finds
/learning-resources/navigate-n...Subdomain Article 4 Min Read How Do I Navigate NASA Learning Resources and Opportunities?
https://science.nasa.gov/learn...External Subdomain 4 Min Read AstroViz: Iconic Pillars of Creation Star in NASA’s New 3D Visualization Article
https://science.nasa.gov/earth...External Subdomain 4 Min Read NASA, EPA Tackle NO2 Air Pollution in Overburdened Communities Article
/technology/nasa-trains-machin...Subdomain 6 Min Read NASA Trains Machine Learning Algorithm for Mars Sample Analysis Article
https://science.nasa.gov/solar...External Subdomain 6 Min Read What’s Up: August 2024 Skywatching Tips from NASA Article
https://europa.nasa.gov/missio...External Subdomain Mission Overview about Jupiter's Ocean World
https://science.nasa.gov/solar...External Subdomain More to Explore
https://science.nasa.gov/solar...External Subdomain Planets
https://science.nasa.gov/sun/External Subdomain Sun
https://science.nasa.gov/moon/External Subdomain Moon
https://science.nasa.gov/aster...External Subdomain Asteroids, Comets & Meteors
https://earth.gov/External Start Exploring about Earth Information Center
/image-of-the-day/Subdomain Browse Image Archive
/wp-content/uploads/2024/08/et...Subdomain No Text
/image-detail/etacarinae-hubbl...Subdomain View image
/gallery/wildlife-birds/Subdomain Wildlife Birds Gallery 16 Images
/gallery/wildlife-reptiles/Subdomain Wildlife Reptiles Gallery 16 Images
/gallery/wildlife-mammals/Subdomain Wildlife Mammals Gallery 18 Images
https://www.nasa.gov/privacy/Subdomain Privacy Policy
https://lp.constantcontactpage...External Subdomain Sign Up
/nasa-missions/Subdomain Missions
/humans-in-space/Subdomain Humans In Space
https://science.nasa.gov/clima...External Subdomain Text duplicate Climate Change
https://science.nasa.gov/solar...External Subdomain Our Solar System
https://science.nasa.gov/unive...External Subdomain Universe
https://science.nasa.gov/scien...External Subdomain Science News
https://www.nasa.gov/aeronautics/Subdomain Aeronautics
https://www.nasa.gov/technology/Subdomain Technology
https://www.nasa.gov/about/Subdomain About NASA's Mission
/get-involved/Subdomain Join Us
https://www.nasa.gov/Subdomain Home
https://www.nasa.gov/news/Subdomain News & Events
https://www.nasa.gov/multimedia/Subdomain Multimedia
https://plus.nasa.gov/External Subdomain Text duplicate NASA+
/nasa-missions/Subdomain Text duplicate Missions
/humans-in-space/Subdomain Humans in Space
https://science.nasa.gov/earth/External Subdomain Earth & Climate
https://science.nasa.gov/solar...External Subdomain The Solar System
https://science.nasa.gov/unive...External Subdomain The Universe
https://science.nasa.gov/External Subdomain Science
https://www.nasa.gov/aeronautics/Subdomain Text duplicate Aeronautics
https://www.nasa.gov/technology/Subdomain Text duplicate Technology
/learning-resources/Subdomain Learning Resources
https://www.nasa.gov/about/Subdomain About NASA
https://www.nasa.gov/es/New window Subdomain NASA en Español
https://www.facebook.com/NASANew window External Subdomain A-TITLE NASA on Facebook
https://www.instagram.com/nasa/New window External Subdomain A-TITLE NASA on Instagram
https://x.com/NASANew window External A-TITLE NASA on X
https://www.youtube.com/@NASANew window External Subdomain A-TITLE NASA on YouTube
/social-media/Subdomain More NASA Social Accounts
/nasa-newsletters/Subdomain NASA Newsletters
https://www.nasa.gov/sitemap/Subdomain Sitemap
/news/nasa-media-contacts/Subdomain For Media
/nasa-web-privacy-policy-and-i...Subdomain Text duplicate Privacy Policy
https://www.nasa.gov/foia/Subdomain FOIA
https://www.nasa.gov/no-fear-act/Subdomain No FEAR Act
http://oig.nasa.gov/New window External Subdomain Office of the IG
/budgets-plans-and-reports/Subdomain Budget & Annual Reports
/organizations/budget-annual-r...Subdomain Agency Financial Reports
/contact-nasa/Subdomain Contact NASA
/accessibility/Subdomain Accessibility

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.nasa.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 of 0.74 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 (310 kB).

HTTP Response Header

NameValue
servernginx
dateWed, 07 Aug 2024 15:17:58 GMT
content-typetext/html; charset=UTF-8
varyAccept-Encoding
host-headera9130478a60e5f9135f765b23f26593b
x-launch-statusGo Flight!
link<https://www.nasa.gov/wp-json/>; rel="https://api.w.org/"
content-encodinggzip
strict-transport-securitymax-age=31536000
x-rqvie2 111 254 443
accept-rangesbytes
x-cacheMISS
cache-controlmax-age=300, must-revalidate
statuscode200
http_versionHTTP/2

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 125,742 referring domains.
This page has 20,345,373 backlinks.
This page has backlinks from 74,924 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares and comments on Facebook.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

User-agent: usasearch
Crawl-delay: 1
Allow: /

User-agent: *
Allow: /

Similar sites

Search preview

www.nasa.gov
NASA
NASA.gov brings you the latest news, images and videos from America's space agency, pioneering the future in space exploration, scientific discovery and aeronautics research.

Most important keywords

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

KeywordResultRecheck
NASA81%Check
Space58%Check
Image58%Check
IMAGES56%Check
News54%Check
Latest News52%Check
Aeronautics51%Check
Exploration50%Check
Search50%Check
Commercial Space50%Check
Show more keywords and terms

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