Nasa.gov - SEO Checker

Overview of the SEO Check
Meta information
80% 
Page quality
51% 
Page structure
58% 
Link structure
0% 
Server
40% 
External factors
100% 
SEO Score
Response time
0.24 s
File size
13.00 kB
Words
0
Media files
0
Number of links
0 internal / 0 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 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)
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 character encoding is not specified in the HTTP header.
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
dcterms.typeText
dcterms.formattext/html
generatorDrupal 7 (http://drupal.org)
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.
dcterms.identifier/
dcterms.titleNASA
viewportwidth=device-width, initial-scale=1.0, maximum-scale=10.0
nasa/config/environment%7B%22modulePrefix%22%3A%22nasa%22%2C%22environment%22%3A%22development%22%2C%22baseURL%22%3A%22/%22%2C%22locationType%22%3A%22none%22%2C%22EmberENV%22%3A%7B%22FEATURES%22%3A%7B%7D%7D%2C%22APP%22%3A%7B%22LOG_ACTIVE_GENERATION%22%3Atrue%2C%22LOG_VIEW_LOOKUPS%22%3Atrue%7D%2C%22contentSecurityPolicyHeader%22%3A%22Content-Security-Policy-Report-Only%22%2C%22contentSecurityPolicy%22%3A%7B%22default-src%22%3A%22%27none%27%22%2C%22script-src%22%3A%22%27self%27%20%27unsafe-eval%27%22%2C%22font-src%22%3A%22%27self%27%22%2C%22connect-src%22%3A%22%27self%27%22%2C%22img-src%22%3A%22%27self%27%22%2C%22style-src%22%3A%22%27self%27%22%2C%22media-src%22%3A%22%27self%27%22%7D%2C%22exportApplicationGlobal%22%3Atrue%7D
langen
twitter:imagehttp://www.nasa.gov/sites/default/files/images/nasaLogo-570x450.png
twitter:url/index.html
twitter:site:id11348282
twitter:site@NASA
twitter:cardsummary_large_image
twitter:descriptionPioneering the future in space exploration, scientific discovery and aeronautics research.
twitter:titleNational Aeronautics and Space Administration
fb:pages54971236771
og:site_nameNASA
og:urlhttp://www.nasa.gov/index.html
og:imagehttp://www.nasa.gov/sites/default/files/images/nasaLogo-570x450.png
og:typewebsite
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:titleNational Aeronautics and Space Administration
X-UA-CompatibleIE=Edge,chrome=1
charsetutf-8

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Page quality

Content
(Critically important)
There are only 0 words on this page. Use at least 250 words to provide useful information.
No paragraphs were detected.
No placeholders texts or images were found.
Frames
(Critically important)
This website does not use a frameset.
Mobile optimization
(Somewhat important)
This website loads 5 javascript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1.0, maximum-scale=10.0" 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 6 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

No media files were found.

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.
This page seems to be an entry page, because only very few links were found.
There are no external links on this page.
No internal links were found.

Server configuration

HTTP redirects
(Critically important)
This website redirects to "https://www.nasa.gov/"
HTTP header
(Important)
The HTML page should be transferred using GZip compression.
No X-Powered HTTP header is sent.
Performance
(Somewhat important)
This website loads 5 javascript files. This may affect the load time negatively.
The page response time is excellent with 0.24 seconds.
This website only loads 2 CSS files. That's ok.
The file size of the HTML document is fine (13 kB).

HTTP Response Header

NameValue
content-typetext/html
content-length13353
connectionkeep-alive
x-amz-id-2sxmE4OEErQUruSpwlzFgz3DPiSGNzA9tE4esisf8j+kfE3GR9lWTLwsKDEOnr7v5QnygVI4/Rkk=
x-amz-request-id405E02D46F642133
x-amz-replication-statusPENDING
last-modifiedFri, 20 Nov 2020 23:04:34 GMT
x-amz-meta-md5_hash110a81fb8566cbfcf34adbbf72acdfee
x-amz-version-idvkgm_45JWEV2HfHP2GR9a1zvGCAS8Wx8
accept-rangesbytes
serverAmazonS3
x-ua-compatibleIE=edge,chrome=1
dateSat, 21 Nov 2020 05:52:42 GMT
etag"110a81fb8566cbfcf34adbbf72acdfee"
cache-controlmax-age=300
referrer-policystrict-origin
x-content-type-optionsnosniff
strict-transport-securitymax-age=31557600; includeSubdomains; preload
content-security-policyframe-ancestors 'self' https://*.nasa.gov
x-cacheHit from cloudfront
via1.1 be43ad4ac2015a11cc932d5a96f3e717.cloudfront.net (CloudFront)
x-amz-cf-popHAM50-C2
x-amz-cf-idWkS6olfV1ykgZBgiHpUqvMYnpHm7byn8duulZyLYURTSUaRDJGTBaw==
statuscode200
http_versionHTTP/1.1

External factors

Blacklists
(Critically important)
This website is not classified "for adult only".
Shallalist classifies this website as Science/astronomy. This classification is fine.
This website is referenced by wikipedia.
This website has excellent links from other websites.
This website has backlinks from 264,459 referring domains.
This website has 100,165,022 backlinks.
This website has backlinks from 158,402 different ip addresses.
Facebook popularity
(Somewhat important)
This website has social activity like shares, comments or likes on facebook.
Listed on Webwiki
(Nice to have)
This website is listed on Webwiki.

Robots.txt

# Robots.txt file from http://www.nasa.gov
#
# All robots will spider the domain

User-agent: *
Disallow: /worldbook/
Disallow: /offices/oce/llis/

Facebook popularity

Shares / Likes / Comments
8,946

Only the data for the given URL is shown. We cannot determine the social actions for a linked fan page.

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
NASA34%Check
gov23%Check
future11%Check
Space Exploration11%Check
Space Agency11%Check
research11%Check
aeronautics11%Check
discovery11%Check
scientific11%Check
pioneering11%Check

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