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SEO audit: astronomy.com

astronomy.com desktop preview
49 %
Update

Legend
OK
Error
Suggestion
Status
Try our white label PDF! 3 days trial!

Mobile devices

Mobile view
This website is optimal for mobile devices!
Tablet view
This website is optimal for tablet devices!
Mobile appearance
astronomy.com mobil preview
astronomy.com tablet preview
Mobile optimisation
Apple icon
Meta Tag (viewport tag, mobile devices)
Flash content

Google search result list preview

Google preview

Astronomy Magazine - Interactive Star Charts, Planets, Meteors ...

astronomy.com/
Astronomy.com is for anyone who wants to learn more about astronomy events, cosmology, planets, galaxies, asteroids, astrophotography, the Big Bang, black ...

Domain / URL audit

URL
Domain : astronomy.com/
Length (characters) : 14
Alexa
Alexa global rank: 87667
Alexa rank (United States): 28485
IP checking
The 173.226.48.53 ip address is not on the spam list.
Visitors position
CountryPercentage
United States49.4%
India8.2%
Canada5.0%
Poland4.5%
United Kingdom2.7%
Pakistan2.4%
Other27.9%
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Meta data

Keywords (meta keywords)
Amateur astronomy, amature astronomy, andromeda, Antimatter, aperture, apogee, apparition, archaeoastronomy, asterism, asteroid, astronomer, astonomy, astromony, astronamy, astronomy magazine, astrono

Error! Using “meta keywords” is meaningless! Google does not use it for ranking websites since 2009.
Description (meta description)
Astronomy.com is for anyone who wants to learn more about astronomy events, cosmology, planets, galaxies, asteroids, astrophotography, the Big Bang, black holes, comets, constellations, eclipses, exoplanets, nebulae, meteors, quasars, observing, telescopes, NASA, Hubble, space missions, stargazing, and more

Length (characters) : 308

Suggestion! The length of the meta description should be between 70 and 160 characters.
Open Graph Protocol
Excellent! The OG (Open Graph) protocol is set on this website.

url: http://astronomy.com/
type: article
site_name: Astronomy.com
image: http://astronomy.com/-/media/Images/Magazine Covers/2015/ASY150601.jpg

Dublin Core
Error! The website does not use the Dublin Core schema.

SEO audit: Content analysis

Language
Error! No language localisation is found.
Title
Astronomy Magazine - Interactive Star Charts, Planets, Meteors, Comets, Telescopes

Length (characters) : 82

Improve! The website address (title) should be between 10 and 70 characters in length.
Text / HTML ratio
Ratio : 15%

Acceptable! The text / code ratio is between 15 and 25 percent.
Flash
Excellent! The website does not have any flash contents.
Frame
Excellent! The website does not use iFrame solutions.
Keywords cloud
travelquest  astronomers  news  see  blogs  more  sun  video  digital  mars  lovell  first  astronomy  new  space  now  join  mission  moon  recent  email  observing  international  issue  surface  impact  mercury  tour  apollo  reality  tonight's  sky  magazine  how  set  image  videos  ngc  mercury's  galaxy  learn  messenger  issues  real  all  galleries  system  gift  subscribe  explore  star  day  solar  brochure  show  nasa  trains  greatest  light  topics 
Keywords consistency
Keyword Content Title Description (meta description) Headings (headings)
astronomy 20
sky 16
more 15
learn 12
magazine 11
solar 10
Keywords (2 words) Content Title Description (meta description) Headings (headings)
learn more 10
tonight's sky 5
see all 5
mission with 4
mercury's surface 4
photos videos 3
Keywords (3 words) Content Title Description (meta description) Headings (headings)
with astronomy magazine 3
real reality show 3
once-in-a-lifetime northern lights 2
spiral galaxy ngc 2
international see the brochure 2
astronomy s aurora adventure 2
Headings (headings)
H1H2H3H4H5H6
226292110
Error! The number of H1 tag is more than 1.
Heading structure in the source code
  • <H2> Tonight's Sky — Change location
  • <H3> OR
  • <H2> Tonight's Sky — Select location
  • <H2> Tonight's Sky — Enter coordinates
  • <H3> ABOUT THE MAGAZINE
  • <H3> SUBSCRIBER EXTRAS
  • <H3> IN EVERY ISSUE
  • <H3> COLUMNISTS
  • <H3> FEATURES
  • <H3> RECENT HEADLINES
  • <H3> TOPICS
  • <H3> RECENT HEADLINES
  • <H3> TOPICS
  • <H3> PICTURE OF THE DAY
  • <H3> RECENT GALLERIES
  • <H3> TOPICS
  • <H3> RECENT HEADLINES
  • <H3> TOPICS
  • <H3> RECENT POSTS
  • <H3> TOPICS
  • <H3> READER GALLERIES
  • <H3> TOPICS
  • <H3> RECENT PRODUCTS
  • <H3> TOPICS
  • <H3> CURRENT ISSUE
  • <H4> Ch-ch-changes
  • <H4> Ends July 24, 2015
  • <H4> Solar warmth
  • <H4> Apollo exclusive
  • <H4> Asteroid Day
  • <H4> Death cries
  • <H4> Sign Up for Astronomy's five-part Observing Essentials email series!
  • <H4> Take the Universe with You!
  • <H4> Thanks for everything
  • <H4> Indonesian Islands Eclipse
  • <H4> Hubble at 25
  • <H4> Stirring signal
  • <H4> Join Astronomy's Aurora Adventure
  • <H4> Getting closer!
  • <H4> Uwingu Mars
  • <H4> Ch-ch-changes
  • <H4> Apollo exclusive
  • <H4> Sign Up for Astronomy's five-part Observing Essentials email series!
  • <H4> Indonesian Islands Eclipse
  • <H4> Join Astronomy's Aurora Adventure
  • <H3> PICTURE OF THE DAYsee all »
  • <H2> Sharpless 2–73
  • <H4> FREE EMAIL NEWSLETTER
  • <H3> THE MAGAZINE
  • <H3> EQUIPMENTsee all »
  • <H2> We test Stellarvue's compact refractor
  • <H2> Product Showcase: Celestron's NexStar Evolution series
  • <H2> iOptron's CEM60 mount tested
  • <H2> Astronomy tests Celestron’s SkyProdigy 6
  • <H3> VIDEOSsee all »
  • <H2> Episode 25: Stupid Names in Astronomy
  • <H2> NASA completes MESSENGER mission with impact on Mercury's surface
  • <H2> MESSENGER mission to impact Mercury today
  • <H2> The Real Reality Show: How the Sun Will Die
  • <H3> ONLINE POLL
  • <H3> SPECIAL ISSUES AND MOREsee all »
  • <H2> Discover Astronomy
  • <H2> World's Greatest Telescopes
  • <H2> Cosmology's Greatest Discoveries
  • <H2> 100 Most Spectacular Sky Wonders
  • <H2> Atlas of the Stars
  • <H2> Celestial Protraits
  • <H2> The Milky Way Inside and Out
  • <H2> The Great Comet of 2013
  • <H2> Cosmic Origins
  • <H3> GALLERIES see all »
  • <H2> Full Moon over Orange, California
  • <H2> M46
  • <H2> International Space Station (ISS)
  • <H2> International Space Station
  • <H2> Melotte15 in the Heart Nebula (IC 1805)
  • <H5> FREE EMAIL NEWSLETTER
  • <H1> Loading...
  • <H1>
  • Expand
Images
We found 61 images on this web page.

Alternate attributes for the following 34 images are missing. Search engines use "alt" tags to understand image content efficiently. We strongly recommend fixing this issue.

SEO audit: technology

Redirection (www / not www)
Error! The web address is accessible with and without www!
Favicon
Excellent! The website uses favicon.
Doctype
XHTML 1.0 Transitional
Encoding
Error! The character encoding setting is missing!
W3C validity
  • Errors: 159
  • Warnings: 19
Go to the W3C errors >>>
Deprecated HTML
Excellent! No deprecated HTML tags are detected.
Printability
Excellent! The website uses printer-friendly CSS.
404 Page
The website has no standard 404 error page.
Checking the robots.txt file
The robots.txt file is missing!
Sitemap
Error! No sitemap found!
Google Analytics
The website has Google Analytics tracking code.
Google Tag Manager
Suggestion! The website does not use the Google Tag Manager.
Email encryption
Excellent! We have not found any unencrypted email addresses.
49%