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Related Category
Most related categories of this website.
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Title
NASA
Words count: 1 Unique Words: 1 Length: 4 characters
[ To optimize the page title, Use this SEO Title Optimizer ]
The title is too short! that has less than 10 characters.
The title will be displayed in search engine results in the form of a direct link to the site.
Tips:
1. ideally, the title should contain 10 to 70 characters, including spaces. (Google displays up to 70 characters in the title, and takes into account only the first 12 words.)
2. put the most important and relevant keywords in the title, try not to repeat any word.
3. each individual page should have a unique title. |
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Description
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.
Words count: 25 Length: 174 characters
[ To optimize the page description, Use this SEO Meta Description Optimizer ]
The description is too long! It has more than 160 characters
Meta Descriptions provide concise explanations of the contents of web pages, that are commonly used by search engines on search result pages to display preview snippets for a given page.
Tips:
1. it is best to keep meta descriptions between 70-160 characters.
2. a readable, compelling description using important keywords can draw a much higher click-through rate of searchers to the given web page.
3. avoid keyword stuffing, ensure each page has its own unique description. |
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Google SERP Preview
NASA
www.nasa.gov/
NASA.gov brings you the latest news, images and videos from America's space agency, pioneering the future in space exploration, scientific discovery and ...
[ To optimize this Google SERP preview, Use this Google SERP Optimizer ]
This is how your site looks like in Google Search Result Page.
an optimized SERP snippet will have a higher click through rate.
Tips:
1. make sure the title is clear, simple, straight to the point.
2. make sure the description is relevant and properly summarized the page content. |
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Keywords
Words count: 0 Length: 0 characters keyword phrases count : 0
Meta Keywords is not set.
[ To optimize the meta keywords, Use this SEO Meta Keywords Optimizer ]
Meta keywords should not be ignored, though they are not a major ranking factor for most of search engines nowadays. A Meta keywords tag is supposed to be a brief and concise list of the most important themes of your page
Tips:
1. keep your list of keywords or keyword phrases down to 10 - 20 unique words or phrases.
2. separate the words or phrases using a comma (you do not need to leave a space between words separated by commas).
3. do not repeat words or phrases.
4. put your most important word or phrases at the beginning of your list. |
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Keywords Cloud
This keywords cloud gives your an idea of what are those important keywords appears in your website.
agency artemis article capturing cluster curiosity days earth events explore featured glittering highlights hubble image improve key life light mission multimedia nasa news ntilde orbiter read readnasa rsquo science search solar space station tests tracks ultraviolet universe visits water years
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Top 20 Keywords
Total Terms Count: 1,201
It is nice! the word density is quite ok.
Top 20 terms occurance and density
| Keyword | In Domain | In Title | In Description | In Heading |
In Body |
Density |
|---|
| nasa |
|
|
|
|
62 |
5.16% |
| days |
|
|
|
|
36 |
3.00% |
| article |
|
|
|
|
34 |
2.83% |
| read |
|
|
|
|
33 |
2.75% |
| space |
|
|
|
|
19 |
1.58% |
| news |
|
|
|
|
15 |
1.25% |
| science |
|
|
|
|
12 |
1.00% |
| rsquo |
|
|
|
|
12 |
1.00% |
| hubble |
|
|
|
|
12 |
1.00% |
| earth |
|
|
|
|
11 |
0.92% |
| image |
|
|
|
|
11 |
0.92% |
| readnasa |
|
|
|
|
8 |
0.67% |
| highlights |
|
|
|
|
7 |
0.58% |
| featured |
|
|
|
|
7 |
0.58% |
| mission |
|
|
|
|
7 |
0.58% |
| explore |
|
|
|
|
7 |
0.58% |
| multimedia |
|
|
|
|
6 |
0.50% |
| tracks |
|
|
|
|
6 |
0.50% |
| orbiter |
|
|
|
|
6 |
0.50% |
| events |
|
|
|
|
5 |
0.42% |
keyword density can be used as a factor in determining whether a web page is relevant to a specified keyword or keyword phrase.
Tips:
1. the optimum keyword density to be 1.0% - 3.0%. Using a keyword more than that could be considered search spam.
2. overuse of keywords, a practice called keyword stuffing, will cause a web page to be penalized. |
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Highlight
| <H1> | <H2> | <H3> | <H4> | <H5> | <H6> | <B> | <U> | <I> | <EM> | <STRONG> | Total |
|---|
| 0 | 12 | 86 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 98 |
Excellent! The page is using HTML headings (<H1> - <H6>) and inline emphasis tags (<EM><B><I><EM><STRONG>)
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<H2> (12) | Suggested Searches
Eye on Infinity
Featured News
This is Mission Control
Multimedia
Earth Information Center
Image Of The Day
Image Of The Day
More NASA Images
Do NASA Science
Explore the Universe from your Inbox
More Topics from NASA
| <H3> (86) | News & Events
Multimedia
Featured
NASA Orbiter Spots Curiosity Rover Making Tracks to Next Science Stop
NASA Tests Key Spacesuit Parts Inside This Icy Chamber
NASA Airborne Sensor’s Wildfire Data Helps Firefighters Take Action
Missions
Humans in Space
Earth
The Solar System
The Universe
Science
Aeronautics
Technology
Learning Resources
About NASA
NASA en Español
News & Events
Multimedia
Featured
Hubble Visits Glittering Cluster, Capturing Its Ultraviolet Light
NASA Orbiter Spots Curiosity Rover Making Tracks to Next Science Stop
Eye on Infinity: NASA Celebrates Hubble’s 35th Year in Orbit
Highlights
Lunar Space Station Module for NASA’s Artemis Campaign to Begin Final Outfitting
Navigation Technology
NASA Marshall Fires Up Hybrid Rocket Motor to Prep for Moon Landings
Highlights
NASA Tracks Snowmelt to Improve Water Management
NASA Airborne Sensor’s Wildfire Data Helps Firefighters Take Action
Celebrating Earth as Only NASA Can
Highlights
Lunar Space Station Module for NASA’s Artemis Campaign to Begin Final Outfitting
Donaldjohanson
NASA Tests Key Spacesuit Parts Inside This Icy Chamber
Featured
Hubble Visits Glittering Cluster, Capturing Its Ultraviolet Light
NASA’s Roman Mission Shares Detailed Plans to Scour Skies
Standard Definition and Evaluation Team
Highlights
Earth Science Showcase – Kids Art Collection
Hubble Visits Glittering Cluster, Capturing Its Ultraviolet Light
NASA Tracks Snowmelt to Improve Water Management
Highlights
Air Force Pilot, SkillBridge Fellow Helps NASA Research Soar
NASA, Boeing, Consider New Thin-Wing Aircraft Research Focus
NASA Tests Ultralight Antennas to Benefit Future National Airspace
Highlights
NASA Engineering Sparks Innovative New Battery
Nine Finalists Advance in NASA’s Power to Explore Challenge
2024 NASA Power to Explore Contest Winners
Featured
NASA Tests Key Spacesuit Parts Inside This Icy Chamber
Earth Day 2025: Posters and Virtual Backgrounds
Building for a Better World: Norfolk Students Bring STEM to Life with NASA Partnership
Featured
NASA, Boeing, Consider New Thin-Wing Aircraft Research Focus
NASA Engineering Sparks Innovative New Battery
Eye on Infinity: NASA Celebrates Hubble’s 35th Year in Orbit
Highlights
El X-59 de la NASA completa las pruebas electromagnéticas
Mejores imágenes de Ciencia en la estación espacial 2024
La NASA identifica causa de pérdida de material del escudo térmico de Orion de Artemis I
NASA en español
Hubble's Night Sky Challenge
A Beautiful Universe
NASA App
NASA Images
Ways to Watch
Newsletters
Today
Today
Stars Gallery
Astronaut Selfies Gallery
Plants Gallery
Citizen Science
Missions
Humans In Space
Climate Change
Our Solar System
Universe
Science Missions
Aeronautics
Technology
National Aeronautics and Space Administration
Follow NASA
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HTML headings and emphasis tags are the most basic forms to indicate important content.
Tips:
1. use your keywords in the headings and make sure the first level heading (<H1>) includes the most important keywords.
2. never duplicate the title tag content in the heading tags.
3. for more effective SEO, use only one <H1> tag per page |
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Reading Level
0
The page text content is a bit too difficult to be read and understood!
Ensure your page content text can be read and understood by most of your site visitors. not too difficult nor too simple.
Tips:
1. a score below 30, indicates the text content is too difficult to be read and understood.
2. a sore above 80, may suggest that the site is lack of in-depth and expertise of its topics (low quality content).
3. an optimal reading level score shall be 50-70. |
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Language
en-us Excellent! the website declared its language in use.
the detected language is : en
Declare the language in use can help search engine to better understand and rendering your page, especially when special characters are encountered. |
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Page Encoding
utf-8 Excellent! the website declared its character encoding.
Declare the character encoding can help search engine to better rendering your page, especially when it comes to
non-asii characters. |
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Favicon
 Excellent! the website has a shortcut favicon image.
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RSS
https://www.nasa.gov/feed/ Excellent! the website has a RSS (Really Simple Syndication) Feed for quick publishing.
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Robots.txt
Robots.txt is not presented for the site.
Robots.txt file can be used to regulate access of search engine crawlers, properly configured robots.txt file can help
crawlers to better understand your website.
Tips:
1. grand robots access to those pages you wish them to crawl.
2. restrict access to those pages you do not wish search engines to see and crawl. |
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XML Sitemap
XML Sitemap is not presented for the site.
[ To generate XML sitemap, Use this XML Sitemap Generator ]
Sitemap helps search engine crawler to identify your website pages.
Tips:
1. ensure all your important pages are listed in the sitemap.
2. ensure to indicate the frequency of change and importance of each url.
3. inform search engines of the location/URL of your sitemap (eg, For Google, you can set the website sitemap location through Google Webmaster management panel). |
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Loading Time
0.67 seconds - 55.04 Kb/s
Excellent! the site is pretty fast and it takes less than 1 second to load.
Estimated loading time for different internet connections
Modem
(56Kbits/s) |
Mobile/HSDPAM
(7.2Mbits/s) |
ADSL
(8Mbits/s) |
Cable
(30Mbits/s) |
Optical Fibre
(100Mbits/s) |
|---|
| 5.27 s |
0.04 s |
0.04 s |
0.01 s |
2.95 ms |
Site speed is becoming an crucial ranking factor. Slow page loading is one of the biggest complains of web users. If the loading time is too long, you may need to check your server, network, or system codes and structure.
Tips:
1. ideal loading time is less than 1 seconds, if it take more than 5 seconds to load your site, likely users will run out of patience, so do search engines.
2. improve your SEO by optimizing your website to have a small size and faster responding server. |
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Total Size
37 Kb (36,876 bytes)
Excellent! the page size is just nice, that is within 30K-150K!
Page size affects the speed of your website.
Tips:
1. try to keep you page size between 30K-150K
2. put javascript and style sheet in separate files, and link them to the main page.
3. use optimized images for web and set up your server with gzip for downloading |
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Text To Code Ratio
| Total Size |
Text Size |
HTML Code Size |
Text/HTML Code Ratio |
|---|
| 37 Kb (36,876 bytes) |
10 Kb (10,118 bytes) |
27 Kb (26,758 bytes) |
37.81 % |
Excellent! the text to html code ratio is just nice, that is within 15%-70%!
the ratio of text to HTML code should always be above 15% for good SEO gain,
it is below 15% then that means that your website probably needs more text content.
Tips:
1. a ratio between 25% and 70% is ideal, when it goes beyond than that, the page might run the risk of being considered as spam. As long as the content is relevant and gives essential information, it is a plus point to have more of it.
2. improve your SEO by adding more relevant text to your pages and also increasing your keyword density. |
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Flash
Excellent! No flash component is detected on this page.
Flash content can not be properly indexed by search engines, and normally flash file is large in size, which slow down the loading of your page.
Tips:
1. avoid flash content whenever possible if you wish to have a fast and SEO friendly website. |
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Frame
Excellent! No frame is detected on this page.
Framesets and individual frames could cause problem for search engine to crawl your pages
Tips:
1. avoid frames whenever possible.
2. search engines do not like frames.
3. use iframe instead if you really have no choice. |
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Inline CSS
126 Inline CSS components are detected on this page.
It is a good practice to move inline CSS rules into an external CSS file in order to make your page lighter and increasing the text to code ratio.
Tips:
1. move inline css rules to external css file.
2. separate style from html. |
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Nested Table
Excellent! No nested table is detected on this page (nested table : 0, total table : 0)
nested tables could slow down page rendering and lead to bad user experience.
Tips:
1. avoiding <table> for your page layout.
2. using <div> instead of <table>. |
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Plain Text Email
1 Email Address (n********@2x.png) was detected on this page.
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Redirect Count
2 redirections were detected for loading this page.
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Using HTTPS
Excellent! HTTPS is used for your page.
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WWW Resolve
Excellent! the websites https://www.nasa.gov/ and http://nasa.gov are resolved to the same url :https://www.nasa.gov/
Search Engines treat URLs with or without "www" as two different records.
Tips:
1. edit your .htaccess file and permanently redirect one to the other (eg redirect www.mysite.com to mysite.com). |
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URL Rewrite
Non SEO Friendly URLs
| https://www.nasa.gov/...ng-resources/search/?terms=8058%2C8059%2C8061%2C8062%2C8068 | | https://www.nasa.gov/?search=Climate%20Change | | https://www.nasa.gov/?search=Artemis | | https://www.nasa.gov/?search=Expedition%2064 | | https://www.nasa.gov/?search=Mars%20perseverance | | https://www.nasa.gov/?search=SpaceX%20Crew-2 | | https://www.nasa.gov/?search=International%20Space%20Station | | https://www.nasa.gov/...ng-resources/search/?terms=8058%2C8059%2C8061%2C8062%2C8068 |
You may use url rewrite techniques to make these 8 urls to be SEO friendly.
clean, short and relevant URLs are favoured by users and search engines
Tips:
1. use url rewrite to turn dynamic pages with query parameters into seo friendly static pages.
2. put your important keywords in the url.
3. good urls are not only user friendly but also seo friendly. |
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Underscore In URL
Excellent! your do not use underscore in your URLs.
Search Engines treat hyphen as word separator, they do not treat underscore as word separator.
Tips:
1. use hyphen "-" instead of underscore "_" to optimize your page url.
2. help search engines to better understand your url, eventually will benefit your page`s ranking. |
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Links
Internal Links
(link to pages within this domain) |
External Links
(link to pages on other websites) |
Total |
|---|
| 277 |
6 |
283 |
Too many links (283), it may be considered as spam!
Internal Links (link to pages within this domain) - 277
| URL |
Anchor Text |
|---|
| https://www.nasa.gov/ | | | https://www.nasa.gov/ | | | https://www.nasa.gov/news/ | News & Events | | https://www.nasa.gov/2025-news-releases/ | News Releases | | https://www.nasa.gov/news/recently-published/ | Recently Published | | https://plus.nasa.gov/series/ | Video Series on NASA+ | | https://www.nasa.gov/podcasts/ | Podcasts | | https://www.nasa.gov/nasa-blogs/ | Blogs | | https://www.nasa.gov/newsletters/ | Newsletters | | https://www.nasa.gov/social-media/ | Social Media | | https://www.nasa.gov/news/media-contacts/ | Media Resources | | https://www.nasa.gov/events | Events | | https://www.nasa.gov/event-type/launch-schedule/ | Upcoming Launches & Landings | | https://www.nasa.gov/nasa-virtual-guest-program/ | Virtual Guest Program | | https://www.nasa.gov/multimedia/ | Multimedia | | https://plus.nasa.gov/ | NASA+ | | https://www.nasa.gov/images/ | Images | | https://www.nasa.gov/live | NASA Live | | https://www.nasa.gov/apps/ | NASA Apps | | https://www.nasa.gov/podcasts/ | Podcasts | | https://www.nasa.gov/image-of-the-day/ | Image of the Day | | https://www.nasa.gov/ebooks/ | e-Books | | https://www.nasa.gov/audio-and-ringtones/ | Sounds and Ringtones | | https://www.nasa.gov/interactives/ | Interactives | | https://www.nasa.gov/...?terms=8058%2C8059%2C8061%2C8062%2C8068 | STEM Multimedia | | https://www.nasa.gov/nasa-brand-center/ | NASA Brand & Usage Guidelines | | https://plus.nasa.gov/ | NASA+ | | https://www.nasa.gov/?search=Climate%20Change | Climate Change | | https://www.nasa.gov/?search=Artemis | Artemis | | https://www.nasa.gov/?search=Expedition%2064 | Expedition 64 | | https://www.nasa.gov/?search=Mars%20perseverance | Mars perseverance | | https://www.nasa.gov/?search=SpaceX%20Crew-2 | SpaceX Crew-2 | | https://www.nasa.gov/?search=International%20Space%20Station | International Space Station | | https://www.nasa.gov/a-to-z-topics-listing/ | View All Topics A-Z | | https://www.nasa.gov/ | Home | | https://www.nasa.gov/nasa-missions/ | Missions | | https://www.nasa.gov/humans-in-space/ | Humans in Space | | https://science.nasa.gov/earth/ | Earth | | https://science.nasa.gov/solar-system/ | The Solar System | | https://science.nasa.gov/universe/ | The Universe | | https://science.nasa.gov/ | Science | | https://www.nasa.gov/aeronautics/ | Aeronautics | | https://www.nasa.gov/technology/ | Technology | | https://www.nasa.gov/learning-resources/ | Learning Resources | | https://www.nasa.gov/about/ | About NASA | | https://www.nasa.gov/es/ | Español | | http://nasa.gov/# | News & Events | | http://nasa.gov/# | Multimedia | | https://plus.nasa.gov/ | NASA+ | | https://www.nasa.gov/...ver-making-tracks-to-next-science-stop/ | 3 min readNASA Orbiter Spots C... | | https://www.nasa.gov/...pacesuit-parts-inside-this-icy-chamber/ | 6 min readNASA Tests Key Space... | | https://www.nasa.gov/...re-data-helps-firefighters-take-action/ | 5 min readNASA Airborne Sensor... | | https://www.nasa.gov/nasa-missions/ | Missions | | https://www.nasa.gov/missions/ | Search All NASA Missions | | https://www.nasa.gov/a-to-z-of-nasa-missions/ | A to Z List of Missions | | https://www.nasa.gov/events/ | Upcoming Launches and Landings | | https://www.nasa.gov/humans-in-space/spaceships-and-rockets/ | Spaceships and Rockets | | https://www.nasa.gov/communicating-with-missions/ | Communicating with Missions | | https://www.nasa.gov/humans-in-space/artemis/ | Artemis | | https://science.nasa.gov/mission/webb/ | James Webb Space Telescope | | https://science.nasa.gov/mission/hubble/ | Hubble Space Telescope | | https://www.nasa.gov/international-space-station/ | International Space Station | | https://science.nasa.gov/mission/osiris-rex/ | OSIRIS-Rex | | https://www.nasa.gov/humans-in-space/ | Humans in Space | | https://www.nasa.gov/humans-in-space/why-go-to-space/ | Why Go to Space | | https://www.nasa.gov/humans-in-space/astronauts/ | Astronauts | | https://www.nasa.gov/humans-in-space/commercial-space/ | Commercial Space | | https://www.nasa.gov/humans-in-space/destinations/ | Destinations | | https://www.nasa.gov/humans-in-space/spaceships-and-rockets/ | Spaceships and Rockets | | https://www.nasa.gov/humans-in-space/living-in-space/ | Living in Space | | https://science.nasa.gov/earth/ | Earth | | https://science.nasa.gov/earth/explore | Explore Earth Science | | https://science.nasa.gov/climate-change | Climate Change | | https://science.nasa.gov/earth/facts | Earth, Our Planet | | https://science.nasa.gov/earth/in-action | Earth Science in Action | | https://science.nasa.gov/earth/multimedia | Earth Multimedia | | https://science.nasa.gov/earth/data | Earth Data | | https://science.nasa.gov/earth-science | Earth Science Researchers | | https://science.nasa.gov/solar-system/ | The Solar System | | https://science.nasa.gov/sun/ | The Sun | | https://science.nasa.gov/mercury/ | Mercury | | https://science.nasa.gov/venus | Venus | | https://science.nasa.gov/earth/facts/ | Earth | | https://science.nasa.gov/moon/ | The Moon | | https://science.nasa.gov/mars | Mars | | https://science.nasa.gov/jupiter | Jupiter | | https://science.nasa.gov/saturn | Saturn | | https://science.nasa.gov/uranus/ | Uranus | | https://science.nasa.gov/neptune/ | Neptune | | https://science.nasa.gov/dwarf-planets/ | Pluto & Dwarf Planets | | https://science.nasa.gov/asteroids-comets-meteors/ | Asteroids, Comets & Meteors | | https://science.nasa.gov/solar-system/kuiper-belt/ | The Kuiper Belt | | https://science.nasa.gov/solar-system/oort-cloud/ | The Oort Cloud | | https://science.nasa.gov/skywatching/ | Skywatching | | https://science.nasa.gov/universe/ | The Universe | | https://science.nasa.gov/exoplanets/ | Exoplanets | | https://science.nasa.gov/universe/search-for-life/ | The Search for Life in the Uni... | | https://science.nasa.gov/universe/stars/ | Stars | | https://science.nasa.gov/universe/galaxies/ | Galaxies | | https://science.nasa.gov/universe/black-holes/ | Black Holes | | ... | |
External Links (link to pages on other websites) - 6
| URL |
Anchor Text |
|---|
| https://earth.gov/ | Start Exploring ... | | https://lp.constantcontactpages.com/sl/7ThAX6O/signup | Sign Up | | https://www.facebook.com/NASA | | | https://www.instagram.com/nasa/ | | | https://x.com/NASA | | | https://www.youtube.com/@NASA | |
reasonable number of links (below 100) per page will give a better user experience.
Tips:
1. keep the number of links per page below 100.
2. having more than 100 links in a single page will lead to a bad user experience, and it possibly runs into the risk of been considered as spam.
3. search engines may not follow all the links if you have too many of them in a single page. |
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Images
| Total Images |
Alt Present |
Alt Missing |
|---|
| 75 |
43 |
32 |
32 images do not have Alt values.
Image URL - 75
| URL |
ALT Text |
|---|
| https://www.nasa.gov/wp-content/themes/nasa/assets/images/nasa-logo@2x.png | NASA Logo | | https://www.nasa.gov/wp-content/themes/nasa/assets/images/nasa-logo@2x.png | NASA Logo | | https://www.nasa.gov/...3-hirise-views-curiosity-during-a-drive-figure-a.png?w=1024 | High-resolution grayscale imag... | | https://www.nasa.gov/...nt/uploads/2025/04/1-pia26430-glove-in-load-lock.jpg?w=1024 | A white space glove is mounted... | | https://www.nasa.gov/...p-content/uploads/2025/04/1-pia26497-castleberry.jpg?w=1024 | The map visualizes three wavel... | | https://assets.scienc...ble/stars/globular-clusters/Hubble_M72_potw2516a.tif?w=1024 | Hubble Visits Glittering Clust... | | https://www.nasa.gov/...3-hirise-views-curiosity-during-a-drive-figure-a.png?w=1024 | NASA Orbiter Spots Curiosity R... | | https://assets.scienc...ble_35th_Header_STScI-01JQ7P75PCZEZK0EC29F3GS11W.jpg?w=1024 | Eye on Infinity: NASA Celebrat... | | https://images-assets...95~large.jpg?w=1920&h=1279&fit=clip&crop=faces%2Cfocalpoint | Lunar Space Station Module for... | | https://images-assets...03~large.jpg?w=1920&h=1440&fit=clip&crop=faces%2Cfocalpoint | Navigation Technology | | https://www.nasa.gov/...ds/2025/04/screenshot-2025-04-22-at-12-00-43 pm.png?w=848 | NASA Marshall Fires Up Hybrid ... | | https://www.nasa.gov/.../uploads/2025/04/c20a-snowstormdust-03172025-05.jpeg?w=1024 | NASA Tracks Snowmelt to Improv... | | https://www.nasa.gov/...p-content/uploads/2025/04/1-pia26497-castleberry.jpg?w=1024 | NASA Airborne Sensor’s Wildfir... | | https://www.nasa.gov/...a-earth-day-poster-30x15-print-resolution-0d76d3.jpg?w=1024 | Celebrating Earth as Only NASA... | | https://images-assets...95~large.jpg?w=1920&h=1279&fit=clip&crop=faces%2Cfocalpoint | Lunar Space Station Module for... | | https://assets.scienc...ssets/science/missions/lucy/final_0798443319_dec.png?w=1024 | Donaldjohanson | | https://www.nasa.gov/...nt/uploads/2025/04/1-pia26430-glove-in-load-lock.jpg?w=1024 | NASA Tests Key Spacesuit Parts... | | https://assets.scienc...ble/stars/globular-clusters/Hubble_M72_potw2516a.tif?w=1024 | Hubble Visits Glittering Clust... | | https://www.nasa.gov/.../uploads/2025/04/roman-survey-infographic-mkiv-2.jpg?w=1024 | NASA’s Roman Mission Shares De... | | https://assets.scienc...ss-news/TKS-Web-Landscape_sm-9.8MB-1-1-2048x1352.jpg?w=1024 | Standard Definition and Evalua... | | https://www.nasa.gov/wp-content/uploads/2025/04/sora-ueyama.png?w=724 | Earth Science Showcase – Kids ... | | https://assets.scienc...ble/stars/globular-clusters/Hubble_M72_potw2516a.tif?w=1024 | Hubble Visits Glittering Clust... | | https://www.nasa.gov/.../uploads/2025/04/c20a-snowstormdust-03172025-05.jpeg?w=1024 | NASA Tracks Snowmelt to Improv... | | https://www.nasa.gov/wp-content/uploads/2025/04/grc-2025-c-02689.jpg?w=1024 | Air Force Pilot, SkillBridge F... | | https://www.nasa.gov/wp-content/uploads/2025/04/acd24-0191-001large.jpg?w=1024 | NASA, Boeing, Consider New Thi... | | https://www.nasa.gov/...nt/uploads/2025/04/rped-aerogel-2024-0739-eb1d05.png?w=1024 | NASA Tests Ultralight Antennas... | | https://www.nasa.gov/...tent/uploads/2025/04/enervenue-s-enerstation-web.png?w=1009 | NASA Engineering Sparks Innova... | | https://assets.scienc...%20-%20PowerToExplore%20-%20X%20-%201200x675-100.jpg?w=1024 | Nine Finalists Advance in NASA... | | https://science.nasa.gov/wp-content/uploads/2024/08/l1006013-dl.jpg | 2024 NASA Power to Explore Con... | | https://www.nasa.gov/...nt/uploads/2025/04/1-pia26430-glove-in-load-lock.jpg?w=1024 | NASA Tests Key Spacesuit Parts... | | https://assets.scienc...ive/earth-day/2025/nasa-2025-earth-day-3456x2234.jpg?w=1024 | Earth Day 2025: Posters and Vi... | | https://assets.scienc...es/2025/NTC_Students_Building_Instrument_Shelter.JPG?w=1024 | Building for a Better World: N... | | https://www.nasa.gov/wp-content/uploads/2025/04/acd24-0191-001large.jpg?w=1024 | NASA, Boeing, Consider New Thi... | | https://www.nasa.gov/...tent/uploads/2025/04/enervenue-s-enerstation-web.png?w=1009 | NASA Engineering Sparks Innova... | | https://assets.scienc...ble_35th_Header_STScI-01JQ7P75PCZEZK0EC29F3GS11W.jpg?w=1024 | Eye on Infinity: NASA Celebrat... | | https://www.nasa.gov/wp-content/uploads/2025/02/afrc2025-0030-83.jpg?w=1024 | El X-59 de la NASA completa la... | | https://www.nasa.gov/wp-content/uploads/2024/04/iss070e132878.jpg?w=1024 | Mejores imágenes de Ciencia en... | | https://www.nasa.gov/wp-content/uploads/2024/12/p1020320.jpg?w=1024 | La NASA identifica causa de pé... | | https://www.nasa.gov/wp-content/uploads/2025/04/ngc-2899.jpg?w=2048 | This Hubble Space Telescope im... | | https://www.nasa.gov/wp-content/uploads/2025/04/ngc-2899.jpg?w=150&h=150&crop=1 | This Hubble Space Telescope im... | | https://www.nasa.gov/wp-content/uploads/2025/04/don-pettit-on-iss.jpg?w=1024 | | | https://www.nasa.gov/wp-content/uploads/2025/04/spacewalk-4.jpg?w=1024 | | | https://www.nasa.gov/.../uploads/2025/04/c20a-snowstormdust-03172025-05.jpeg?w=1024 | | | https://images-assets...98~large.jpg?w=1920&h=1280&fit=clip&crop=faces%2Cfocalpoint | | | https://www.nasa.gov/...reenshot-2025-04-22-at-12-00-43 pm.png?w=150&h=150&crop=1 | | | https://www.nasa.gov/...ws-curiosity-during-a-drive-figure-a.png?w=150&h=150&crop=1 | | | https://www.nasa.gov/.../04/stsci-01jr92b3nyh10zq49kc8qmg569.png?w=150&h=150&crop=1 | | | https://assets.scienc...5/april/orion_on_the_horizon_credit_nasa_preston_dyches.jpg | | | https://www.nasa.gov/wp-content/uploads/2025/04/s82-32880orig.jpg?w=2048 | | | https://www.nasa.gov/wp-content/uploads/2023/09/astronaut.jpg?w=1024 | | | https://www.nasa.gov/wp-content/uploads/2015/06/gpn-2001-000014.jpg?w=1024 | | | https://www.nasa.gov/...content/uploads/2025/04/54395953937-5b2d54995a-o.jpg?w=1024 | | | https://www.nasa.gov/...ads/2023/01/screen-shot-2023-03-14-at-4.14.06-pm.png?w=1024 | | | https://www.nasa.gov/...t/uploads/2025/03/ksc-20160325-ph-sww01-0032orig.jpg?w=2048 | Thistle blooms provide a midda... | | https://www.nasa.gov/wp-content/uploads/2025/04/hubble-m72-potw2516a.jpg?w=891 | | | https://www.nasa.gov/...tent/uploads/2025/03/457046main-wise20100524-full.jpg?w=300 | | | https://www.nasa.gov/...s/2025/03/622785main-6313004758-30e7fc70e6-o-full.jpg?w=300 | | | https://www.nasa.gov/wp-content/uploads/2025/03/keyhole-final-2.png?w=300 | | | https://www.nasa.gov/wp-content/uploads/2023/03/iss063e052397.jpg?w=300 | | | https://www.nasa.gov/wp-content/uploads/2023/03/iss065e145237.jpg?w=300 | | | https://images-assets...02~large.jpg?w=1920&h=1280&fit=clip&crop=faces%2Cfocalpoint | | | https://images-assets...51~large.jpg?w=1920&h=1280&fit=clip&crop=faces%2Cfocalpoint | | | https://www.nasa.gov/wp-content/uploads/2023/03/iss046e008941.jpg?w=300 | | | https://images-assets...75~large.jpg?w=1920&h=1280&fit=clip&crop=faces%2Cfocalpoint | | | https://www.nasa.gov/...ploads/2025/03/gsfc-20171208-archive-e000118orig.png?w=1536 | | | https://www.nasa.gov/wp-content/uploads/2023/01/webb-tarantula-neb.png?w=1536 | Space image with stars and swi... | | https://www.nasa.gov/wp-content/uploads/2022/08/jsc2022e046413_orig.jpg?w=1024 | | | https://www.nasa.gov/...content/uploads/2022/12/51476067951-e10dfb6875-o.jpg?w=1024 | | | https://science.nasa..../wp-content/uploads/2023/06/icescapepondsample-lrg-jpg.webp | | | https://science.nasa....ontent/uploads/2023/06/solar-system-illustration-16x9-1.jpg | | | https://science.nasa.gov/wp-content/uploads/2023/09/ngc5068-1-flat-final.jpg | | | https://science.nasa.gov/wp-content/uploads/2023/04/hubble_faq_image-jpg.webp | | | https://www.nasa.gov/wp-content/uploads/2022/12/aero-topic-card.jpg?w=610 | | | https://www.nasa.gov/wp-content/uploads/2022/12/nasa_technology1.png?w=1017 | | | https://www.nasa.gov/wp-content/themes/nasa/assets/images/nasa-logo@2x.png | NASA Logo |
search engines cannot `see` images, proper Alt content will help them to better understand and index images.
Tips:
1. always add alt attributes to images. Alt is mandatory for accessibility and for valid XHTML.
2. words used within an image`s Alt attribute should be its text equivalent and convey the same information.
3. use a human-readable caption and descriptive text around the image. |
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CSS
| Style Block In Same Page |
Links to External Style Files |
Total |
|---|
| 11 |
2 |
13 |
You have 11 style blocks in the same file, try to put them in a separate file.
Links To External Stylesheet Files - 2
| Stylesheet URL |
rel |
type |
|---|
| https://www.nasa.gov/...AqCitA/WDhaZCNYd1Gqfd03YnKrr2QsilD64o9wP1+nyzgNw+n2AeG6TZA= | stylesheet | text/css | | https://www.nasa.gov/...nt/plugins/nasa-blocks/assets/slick/slick.css?m=1743694127g | stylesheet | text/css |
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Script
| Scripts Block In Same Page |
Links to External Script Files |
Total |
|---|
| 17 |
8 |
25 |
Too many (8) external scripts files , it will slow down the downlaoding.
Links To External Script Files - 8
| Script URL |
Type |
|---|
| https://www.nasa.gov/...pUQCDuS6k34nX88oDHhQ7h3tMyQ0RTxEajRfdqNk3OTW4/bzfIEtuJwpg== | text/javascript | | https://www.google.com/recaptcha/api.js | | | https://dap.digitalgo...al-Federated-Analytics-Min.js?agency=NASA&pga4=G-82GWVTTXCZ | | | https://www.nasa.gov/wp-includes/js/dist/hooks.min.js?m=1744740132g | text/javascript | | https://www.nasa.gov/wp-includes/js/dist/i18n.min.js?ver=5e580eb46a90c2b997e6 | | | https://www.nasa.gov/...plugins/wp-parsely/build/loader.js?ver=b681bb9905652ac12735 | | | https://cdn.parsely.com/keys/nasa.gov/p.js?ver=3.17.0 | | | https://www.nasa.gov/...JGBrcH+pSub82mQ7XtZ0UUZtMjiE5P9dplyGo5lXe32h6rc1t0TF1Ct6A== | text/javascript |
put scripts together and link them from an external files rather then put them in the same file as the main page.
Tips:
1. reduce the use of in-page scripts, put them in separate files and link them in.
2. reduce the number of external script files, it will help browser to make lesser number of http requests from the server.
3. optimize or compress the script files to have smaller size and faster loading. |
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Blog Or News Release
Link to Blog / News Release Page
| https://www.nasa.gov/nasa-blogs/ | Blogs |
Excellent! we have found blog linked to your site.
Having a blog is a great way to provide fresh content and retain users, search engines favour it too.
Tips:
1. regularly update your blog and provide fresh and quality content.
2. relevant blogs of your website topics, generate more credits in the eyes of your visitors, as well as search engines. |
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DMOZ Listing
Yes
Excellent! the website is listed in the DMOZ open directory. DMOZ Open Directory Project
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Google Analytics
Analytics Service is not implemented for the site.
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Google Page Rank
8 Excellent! the website has a high page rank (8/10).
|
8
|
| 0 - 1 |
2 - 3 |
4 - 10 |
|---|
| Poor |
Good |
Excellent |
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Links From Root Domains
820
Excellent! You do have a lot of root domains (820) linked to your site nasa.gov.
|
820
|
| < 20 |
21 - 50 |
> 51 |
|---|
| Poor |
Good |
Excellent |
Number of backlinks from some other root domains is an indicator of domain authority, the more backlinks your site has, the higher its domain authority, which leads to a higher chance of better ranking.
Tips:
1. make it easy for others to link to your site, provide the code if possible.
2. links from older domains are more powerful than links from new domains.
3. links from .edu and .gov generally have a higher value. |
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Social Engagement
Your site has an excellent social media engagement!
 Facebook Likes 31,660  Facebook Shares 50,486  Facebook Comments 23,030  Tweets 15,200  LinkedIn 0
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Social Media Integration
Good! your site is integrated with social media.
| Facebook Page | https://www.facebook.com/NASA | | Twitter Account | Not Found | | Google+ Page | Not Found |
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Trustworthiness
95
Excellent! the website has a good Trustworthiness Score (95/100).
|
95
|
| 0 - 19 |
20 - 39 |
40 - 59 |
60 - 79 |
80 - 100 |
|---|
| Very Poor |
Poor |
Unsatisfactory |
Good |
Excellent |
Users are concerned about the safety of their online transactions. Trustworthiness rating is based on real user ratings and that tells you how much other users trust this site, so do the serch engines. note: this trustworthiness score is provided by WOT (Web of Trust).
Tips:
1. pay attention to the look and design of your site, many people look for visual cues when assessing a site`s credibility
2. make your site easy to use, sites that are easy to navigate are perceived as being more trustworthy.
3. make it easy for user to contact you, users will be more comfortable and feel more secured shall they need to get in touch with you. |
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Child Safe
95 Excellent! the website has a good Child Safe Score (95/100).
|
95
|
| 0 - 19 |
20 - 39 |
40 - 59 |
60 - 79 |
80 - 100 |
|---|
| Very Poor |
Poor |
Unsatisfactory |
Good |
Excellent |
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Safe Browsing
Safe! the site nasa.gov is NOT currently listed as suspicious, most-likely it is clean from malware and phining code [ verify this by Google Safe Browsing ]
Ensure that your site is malware free and does not cause harm to users` computers.
Tips:
1. do not put virus, malicious worms, adwares, trojans, spywares and suspicious phishing code in your server.
2. take suspicious behaviours seriously, have a regular check-up and monitor closely of your server`s log files.
3. if your site is black-listed by Google as suspicious, clean it up before requesting for a review. |
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Traffic Rank
1,134th most visited website in the world.
587th most visited website in United States 
your site has an excellent high traffic rank in the world. |
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Websites On Same Server
Excellent! You do have very few domains (1 - nasa.gov) hosted on the same server as nasa.gov (ip : 192.0.66.108).
Too many domains hosted on the same server is an indicator that you are not really serious about your website, and your site will have a higher chance to be surrounded by bad neighbours.
Tips:
1. the fewer domains hosted on the same server/ip the better.
2. avoid shared hosting whenever possible, especially when there are already hundreds or thousands of sites are hosted on the same server.
3. dedicated ip or resources for your site not only do good to your site visitors but also favoured by search engines. |
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Server Location
your server (IP : 192.0.66.108) is located at United States
the most site visitors come from United States
Excellent! your server is located close to most of your site visitors. |
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HTTP Compression
No
your website server does not support HTTP Compression.
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Caching
No
your website server does not support Caching.
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Server Signature
Excellent! the website server signature is off.
A secure and safe server is not only good for your site visitors but also good for search engines.
Tips:
1. server software version information can be utilized by malicious visitors to attack your server.
2. by turning off the server signature, you actually have made your server a little bit more secure.
3. for Apache server - edit the apache2.conf or the .htaccess file to turn server signature off. |
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Domain Age
27 years, 215 days old ( 1st registered on : 1997-10-01 )
[ To check the detailed whois info, Use this Whois Lookup Tool ]
excellent, the domain age is old enough.
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Domain Expires
0 years, 118 days from today ( expires on : 2025-08-30 )
[ To check the detailed whois info, Use this Whois Lookup Tool ]
domain is expiring in less than a year.
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Domain Info
nasa.gov ( 8 characters )
Domain Registrar : get.gov
[ To check the detailed whois info, Use this Whois Lookup Tool ]
| Domain Created On |
Last Modified On |
Expires On |
|---|
| 1997-10-01 |
2024-09-30 |
2025-08-30 |
| 27 years, 215 days old |
0 years, 215 days ago |
0 years, 118 days from today |
27 years, 215 days old
Domain Name Servers used by nasa.gov
| DNS Name |
IP Address |
|---|
| a14-67.akam.net | 184.26.161.67 | | a5-66.akam.net | 95.100.168.66 | | a8-66.akam.net | 2.16.40.66 | | a12-64.akam.net | 184.26.160.64 | | a9-64.akam.net | 184.85.248.64 | | a1-32.akam.net | 193.108.91.32 |
Domain is going to expire in less than a year time (0 years, 118 days from today), try to renew it for more than one year!
domain name choice and domain age are crucial for SEO.
Tips:
1. keep the domain name short and relevant to the content, which will be easier to be remembered and related to.
2. older domain tends to be more trustworthy.
3. register a domain for more than 1 year, and search engine will think it is a serious business. |
