Nasa.gov - SEO Checker

Sign up for free! PDF Export
Overview of the SEO Check
Meta information
61% 
Page quality
82% 
Page structure
58% 
Link structure
71% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.24 s
File size
327.60 kB
Words
545
Media files
38
Number of links
55 internal / 24 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_time2024-12-05T14:45:15-05:00
video:duration120
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_time2024-12-05T14:45:15-05:00
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.nasa.gov/wp-content/uploads/2023/10/sequence-001-1.mp4
charsetUTF-8

Test up to 1.000 webpages of nasa.gov with our free plan!

Try For Free
No trial. It's just free!

Page quality

Content
(Critically important)
This page contains 545 words. That's ok.
25.3% of the text are stop words.
The page contains a listing, which indicates a good text layout.
5 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 21.56 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 11 tags for this page.
Image SEO
(Somewhat important)
31 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
...xies/quasars/Hubble_STIS_Quasar3C273.pngNo alt attribute provided
...ghts/2024/Figure1_EuropaSurfaceImage.jpgNo alt attribute provided
...20&h=1280&fit=clip&crop=faces,focalpointNo alt attribute provided
...23/05/jpegpia24102.width-1280.jpg?w=1024No alt attribute provided
.../GSFC_20171208_Archive_e001431~large.jpgNo alt attribute provided
...wp-content/uploads/2024/12/comet-67p.jpgNo alt attribute provided
...868&h=628&fit=clip&crop=faces,focalpointNo alt attribute provided
...meteor-credit-nasa-bill-dunford-jpg.webpNo alt attribute provided
...ogram-tile-16-9-without-title.jpg?w=2048No alt attribute provided
...20&h=1280&fit=clip&crop=faces,focalpointNo alt attribute provided
...u_srch_microsofts_hacking_stem.jpg?w=320No alt attribute provided
...20&h=1277&fit=clip&crop=faces,focalpointNo alt attribute provided
...content/uploads/2023/01/meir-2.png?w=370No alt attribute provided
...3/03/187_1003705_americas_dxm.png?w=1041Earth as seen on July 6, 2015 from a distance of one million miles by a NASA scientific camera
...ads/2024/12/iss072e189028orig.jpg?w=1536No alt attribute provided
...es-christmas-day-50745413242-o.jpg?w=300No alt attribute provided
...oads/2023/11/iss038e009306orig.jpg?w=300No alt attribute provided
.../uploads/2023/03/iss064e013903.jpg?w=300No alt attribute provided
.../uploads/2023/03/iss063e052397.jpg?w=300No alt attribute provided
.../uploads/2023/03/iss065e145237.jpg?w=300No alt attribute provided
...20&h=1280&fit=clip&crop=faces,focalpointNo alt attribute provided
...ontent/uploads/2023/10/msh1552.jpg?w=300No alt attribute provided
/wp-content/uploads/2023/12/tycho.gif?w=300No alt attribute provided
...ent/uploads/2023/05/cena-ixpe.jpeg?w=300No 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
Video URLWidthHeight
...ntent/uploads/2023/10/sequence-001-1.mp4
...ntent/uploads/2023/10/sequence-001-1.mp4

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 33 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 Artemis Campaign Updates
H2 Featured News
H2 Warm Up Your Holidays
H2 Humans in Space
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 Frequently Asked Questions
H3 MISSION OVERVIEW
H3 ARTEMIS CAMPAIGN UPDATES
H3 Why Go to Space
H3 Astronauts
H3 Commercial Space
H3 Living in Space
H3 Today
H3 Today Duplicate text
H3 Holidays on the Space Station Gallery
H3 Astronaut Selfies Gallery
H3 IXPE Pairs Up with Space Telescopes to Discover Answers 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.
1 links don't have an anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
There are 24 external links 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
/news-release/nasa-shares-orio...Subdomain Orion Heat Shield Findings
/general/faq-nasas-artemis-cam...Subdomain The Path Forward
/mission/artemis-ii/Subdomain Artemis II
https://blogs.nasa.gov/artemis/External Subdomain NASA Blog
/news/all-news/Subdomain More NASA News
https://science.nasa.gov/missi...External Subdomain Article 4 Min Read NASA’s Hubble Takes the Closest-Ever Look at a Quasar
https://science.nasa.gov/scien...External Subdomain Article 9 Min Read Towards Autonomous Surface Missions on Ocean Worlds
/centers-and-facilities/armstr...Subdomain Article 3 Min Read NASA Flips Efficient Wing Concept for Testing
/centers-and-facilities/armstr...Subdomain Article 4 Min Read NASA’s C-20A Studies Extreme Weather Events
https://science.nasa.gov/scien...External Subdomain 4 Min Read Expanded AI Model with Global Data Enhances Earth Science Applications Article
https://science.nasa.gov/solar...External Subdomain 5 Min Read NASA-Led Team Links Comet Water to Earth’s Oceans Article
/general/experience-the-launch...Subdomain 5 Min Read Experience the Launch of NASA’s SpaceX Crew-10 Mission Article
https://science.nasa.gov/solar...External Subdomain 5 Min Read What’s Up: December 2024 Skywatching Tips from NASA Article
https://plus.nasa.gov/video/na...External Subdomain Anchor NASA Virtual Fireplace about Warm Up Your Holidays
/humans-in-space/Subdomain Discover More
/humans-in-space/why-go-to-space/Subdomain Why Go to Space
/humans-in-space/astronauts/Subdomain Astronauts
/humans-in-space/commercial-sp...Subdomain Commercial Space
/humans-in-space/living-in-space/Subdomain Living in Space
https://earth.gov/External Start Exploring about Earth Information Center
/image-of-the-day/Subdomain Browse Image Archive
/wp-content/uploads/2024/12/is...Subdomain No Text
/image-detail/iss072e189028/Subdomain View image
/gallery/holidays-on-the-space...Subdomain Holidays on the Space Station Gallery 25 Images
/gallery/astronaut-selfies/Subdomain Astronaut Selfies Gallery 20 Images
/gallery/ixpe-pairs-up-with-sp...Subdomain IXPE Pairs Up with Space Telescopes to Discover Answers Gallery 11 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 is excellent with 0.24 seconds.
The file size of the HTML document is fine (328 kB).

HTTP Response Header

NameValue
servernginx
dateFri, 06 Dec 2024 16:48:10 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;includeSubdomains;preload
x-rqvie1 111 254 443
accept-rangesbytes
cache-controlmax-age=300, must-revalidate
x-cacheHIT
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 121,197 referring domains.
This page has 18,578,075 backlinks.
This page has backlinks from 72,025 different ip addresses.

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
News54%Check
Aeronautics54%Check
Images52%Check
Latest News52%Check
Discover50%Check
Space Station50%Check
Search50%Check
Show more keywords and terms

Test up to 1.000 webpages of nasa.gov with our free plan!

Try For Free
No trial. It's just free!

Cookie Policy

We use cookies to make our site work and also for analytics and advertising purposes. You can enable or disable optional cookies as desired. See the following links for more information.

Contact | Privacy

We need these so the site can function properly

So we can better understand how visitors use our website

So we can serve you tailored ads and promotions