Sos.noaa.gov - SEO Checker

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Overview of the SEO Check
Meta information
74% 
Page quality
65% 
Page structure
95% 
Link structure
95% 
Server
40% 
External factors
100% 
SEO Score
Response time
1.53 s
File size
27.10 kB
Words
395
Media files
7
Number of links
28 internal / 14 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Science On a Sphere
The page title is too short. (193 pixels of 580 max pixel length) Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
Science On a Sphere® is a room-sized, global display system that projects visualizations of planetary data onto a six foot diameter sphere to help illustrate Earth System science to people of all ages.
The meta description is too long: 1227 pixels from max. 1000 pixels. Optimize description
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://sos.noaa.gov/
There is a valid canonical link 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)
No favicon is linked in the HTML code.

Meta tags

NameValue
viewportwidth=device-width, initial-scale=1.0
descriptionScience On a Sphere® is a room-sized, global display system that projects visualizations of planetary data onto a six foot diameter sphere to help illustrate Earth System science to people of all ages.
langen
twitter:cardsummary_large_image
og:site_nameScience On a Sphere
og:titleScience On a Sphere
og:typewebsite
og:urlhttps://sos.noaa.gov/
og:descriptionScience On a Sphere® is a room-sized, global display system that projects visualizations of planetary data onto a six foot diameter sphere to help illustrate Earth System science to people of all ages.
og:imagehttps://sos.noaa.gov/img/sos-social.png
og:image:altPage image for Science On a Sphere
X-UA-Compatibleie=edge
charsetUTF-8

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Page quality

Content
(Critically important)
There are only 395 words on this page. Good pages should have about 800 words of useful content.
31.1% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
Words from the H1 heading are used in the page content.
The page contains a listing, which indicates a good text layout.
6 paragraphs were found on this page.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 24.88 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 8 tags for this page.
Image SEO
(Somewhat important)
3 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
https://sos.noaa.gov/img/sos-logo-sm.pngNo alt attribute provided
/img/sPX--miSmO-2700.jpegSchoolchildren crowd around the railing surrounding Science On a Sphere during a presentation
https://sos.noaa.gov/img/[email protected]National Oceanic and Atmospheric Administration U.S. Department of Commerce
/img/fW5hYGLEse-850.jpegNo alt attribute provided
/img/9lCxFUYJD8-750.jpegNo alt attribute provided
/img/usa-icons-bg/search--white.svgSearch
https://sos.noaa.gov/img/[email protected]National Oceanic and Atmospheric Administration U.S. Department of Commerce

Page structure

H1 heading
(Critically important)
Science On a Sphere
The H1 heading is too short (19 characters). It should be at least 20 Characters long.
Headings
(Important)
Some headings occur twice on the page.

Heading structure

Heading levelContent
H1 Science On a Sphere
H2 A Globe for the digital age
H2 Over 600 datasets
H2 175+ locations
H2 No room for a six foot sphere? No problem!
H2 Learn from others in the SOS Users Collaborative Network
H2 In the News
H2 Science On a Sphere Duplicate text
H2 About Us...
H2 Find us on...
Some anchor texts are used more than once.
The number of internal links is ok.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 14 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://sos.noaa.gov/Anchor Skip to Content
https://sos.noaa.gov/Science On a Sphere
https://sos.noaa.gov/sos/What is SOS?
/sos-explorer/SOS Explorer
https://sos.noaa.gov/education/Education
https://sos.noaa.gov/catalog/Catalog
https://sos.noaa.gov/support/Support
https://sos.noaa.gov/sos/Text duplicate What is SOS?
/sos/getting-sos/Get Science On a Sphere
https://sos.noaa.gov/sos/A Globe for the digital age
/catalog/datasets/Over 600 datasets
/sos/locations/175+ locations
/sos-explorer/What is SOSx?
https://www.noaa.gov/office-ed...External Subdomain About the network
https://sos.noaa.gov/Anchor Permalink to In the News
https://www.noaa.gov/office-ed...External Subdomain Updated SOSx mobile app is classroom-ready with new features
https://www.elcolombiano.com/t...External Subdomain Science On a Sphere, the new experience to visit at the Medellin Planetarium (in Spanish)
https://niutoday.info/2022/10/...External Science On a Sphere creates worlds of possibilities
https://wvmetronews.com/2022/1...External New NWS Charleston office includes Science On a Sphere display
https://www.wvgazettemail.com/...External Subdomain S.C. technology park to open Science on a Sphere global display system | Metro Kanawha
https://news.vcu.edu/article/S...External Subdomain Science On a Sphere, now at VCU, offers a world of possibilities
https://sos.noaa.gov/news/Read more news...
https://sos.noaa.gov/Home
https://sos.noaa.gov/sos/Text duplicate What is SOS?
/sos-explorer/Text duplicate SOS Explorer
https://sos.noaa.gov/education/Text duplicate Education
https://sos.noaa.gov/catalog/Text duplicate Catalog
https://sos.noaa.gov/support/Text duplicate Support
/accessibility/Accessibility
https://sos.noaa.gov/contact/Contact Us
https://sos.noaa.gov/copyright/Copyright
https://sos.noaa.gov/disclaimer/Disclaimer
/handouts-logos/Handouts / Logos
https://sos.noaa.gov/news/News
https://sos.noaa.gov/privacy/Privacy Policy
https://www.facebook.com/scien...External Subdomain Facebook
https://www.instagram.com/scie...External Subdomain Instagram
https://www.twitter.com/NOAA_SOSExternal Subdomain Twitter
https://www.youtube.com/user/s...External Subdomain YouTube
https://noaa.gov/External National Oceanic and Atmospheric Administration
https://www.noaa.gov/office-ed...External Subdomain Office of Education
https://gsl.noaa.gov/External Subdomain Global Systems Laboratory

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://sos.noaa.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 is very slow (1.53 seconds). The response time should be less than 0.4 seconds. Slow websites are bad for search engine bots and also result in bad user experience.
The file size of the HTML document is fine (27 kB).

HTTP Response Header

NameValue
dateWed, 11 Sep 2024 23:19:32 GMT
content-typetext/html; charset=UTF-8
content-length27710
serverApache
last-modifiedFri, 06 Sep 2024 20:25:08 GMT
etag"6c3e-621793408bb58"
accept-rangesbytes
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 3,867 referring domains.
This page has 17,519 backlinks.
This page has backlinks from 1,609 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

User-Agent: *
Sitemap: https://sos.noaa.gov/sitemap.xml

Similar sites

Search preview

sos.noaa.gov
Science On a Sphere
Science On a Sphere® is a room-sized, global display system that projects visualizations of planetary data onto a six foot diameter sphere to help illustrate Earth System science to people of all ages.

Most important keywords

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

KeywordResultRecheck
Sphere79%Check
Science79%Check
six foot diameter sphere58%Check
illustrate Earth System science56%Check
SOS52%Check
data50%Check
six50%Check
foot50%Check
six foot50%Check
age50%Check
Show more keywords and terms

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