Astronomy.com - SEO Checker

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Overview of the SEO Check
Meta information
96% 
Page quality
75% 
Page structure
79% 
Link structure
52% 
Server
80% 
External factors
100% 
SEO Score
Response time
0.65 s
File size
108.60 kB
Words
541
Media files
27
Number of links
98 internal / 31 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Astronomy Magazine: Space News, Observing, Planets, Galaxies
The page title should be shorter than 580 pixels. It is 588 pixels long. Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
Astronomy.com is for anyone who wants to learn more about astronomy and space, including planets, galaxies, asteroids, and NASA.
The length of the meta description is perfect. (822 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.astronomy.com/
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
robotsindex, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
descriptionAstronomy.com is for anyone who wants to learn more about astronomy and space, including planets, galaxies, asteroids, and NASA.
generatorWordPress 6.5.4
msapplication-TileImagehttps://www.astronomy.com/uploads/2023/05/favicon.png
article:publisherhttps://www.facebook.com/AstronomyMagazine/
article:modified_time2024-10-04T17:06:35+00:00
langen-us
twitter:cardsummary_large_image
twitter:titleThe world's best website for the the world’s best-selling astronomy magazine.
twitter:descriptionAstronomy.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.
twitter:site@AstronomyMag
og:localeen_US
og:typewebsite
og:titleThe world's best website for the the world’s best-selling astronomy magazine.
og:descriptionAstronomy.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.
og:urlhttps://www.astronomy.com/
og:site_nameAstronomy Magazine
og:imagehttps://www.astronomy.com/uploads/2023/09/Astronomy-Home-Page-Image.png
og:image:width1200
og:image:height630
og:image:typeimage/png
charsetUTF-8

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Page quality

Content
(Critically important)
Words from the H1 heading are not used in the page content.
This page contains 541 words. That's ok.
23.5% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
The page contains a listing, which indicates a good text layout.
3 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 17.33 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 following tag is repeated too often: deep-sky objects to target as a novice observer
Image SEO
(Somewhat important)
13 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
/uploads/2023/01/[email protected]Astronomy Magazine logo
/uploads/2024/10/Sun-flare-768x768.jpegsolar flare
/uploads/2024/10/SDO-Sun-Quickburst.jpgstream of plasma from the Sun
...ads/2024/09/Comet-T-Rhemann-768x698.jpegComet Tsuchinshan-ATLAS
...2024/10/Eclipse-Montage-Crop-768x516.jpgNo alt attribute provided
/uploads/2024/10/Foto-12-2-800x1200.jpgNo alt attribute provided
/uploads/2024/10/FQM-10-11-24.jpgFirst Quarter Moon in October 2024
/uploads/2024/10/SDO-Sun-Quickburst.jpgstream of plasma from the Sun
/uploads/2024/10/Sun-flare-768x768.jpegsolar flare
/uploads/2023/03/BuckMoon2016.jpgFull Moon in July 2016.
...-OS1024_05_SilverCoinGalaxy-768x1037.jpgAt a distance of 12 million light-years and around 105,000 light-years across, NGC 253’s angular length is close to the diameter of the Full Moon.
/uploads/2024/09/ASY-CV1024.jpgAstronomy magazine October 2024 cover
...24/09/PRD-68213-CV-ASY-2025-300x242.webpNo alt attribute provided
/uploads/2024/09/89168-192x300.jpgNo alt attribute provided
...lobe_black-removebg-preview-300x276.webpNo alt attribute provided
...oads/2024/09/StickerNASA4-2-300x254.webpNo alt attribute provided
/uploads/2024/09/p-e4614_1-300x276.webpNo alt attribute provided
..._6_globe_2-removebg-preview-300x300.webpNo alt attribute provided
/uploads/2024/09/89154_500-300x300.webpNo alt attribute provided
/uploads/2024/09/expedition73-300x300.webpNo alt attribute provided
...r-black-front-66995faeb41d2-300x300.webpNo alt attribute provided
...t-black-front-668a2203d19e9-300x300.webpNo alt attribute provided
...e-black-front-66933aba931d9-300x300.webpNo alt attribute provided
...ads/sites/2/2023/01/[email protected]Astronomy Magazine
/uploads/2023/01/[email protected]Astronomy Magazine logo
...ites/2/2023/01/[email protected]Publisher logo

Page structure

H1 heading
(Critically important)
Astronomy Magazine – Your source for the latest news on astronomy, observing events, space missions, and more.
The H1 heading is perfect.
Headings
(Important)
Some headings occur twice on the page.
There are 31 headings on the page. The amount of headings should be in a more proper relation to the amount of text.

Heading structure

Heading levelContent
H1 Astronomy Magazine – Your source for the latest news on astronomy, observing events, space missions, and more.
H2 Top Stories
H2 Picture of the Day
H2 In the Sky
H2 Latest News
H2 October 2024
H2 Product Recommendations
H3 Will a new solar flare produce great northern lights?
H3 Is AI the key to predicting solar storms?
H3 Comet Tsuchinshan-ATLAS: The comet of the year is here
H3 Eclipse success on Easter Island
H3 Pastoral perihelion
H3 The Sky This Week from October 4 to 11: Enjoy a First Quarter Moon
H3 Is AI the key to predicting solar storms? Duplicate text
H3 Will a new solar flare produce great northern lights? Duplicate text
H3 2024 Full Moon calendar: When to see the Full Moon and phases
H3 Observe the galaxies of Sculptor
H3 Deep Space Mysteries 2025 Calendar
H3 Observer's Handbook 2025
H3 6-Inch Neptune Globe
H3 NASA Logo 4" Sticker
H3 Atlantis Orbiter 1/144 Model
H3 6" Earth Globe
H3 Infrared Jupiter Puzzle
H3 Expedition 73 No Names
H3 Artemis Program Addidas Quarter zip pullover
H3 Astronomy Magazine Under Armour® men's polo
H3 NASA Embroidered Unisex Hoodie
H3 Astronomy magazine: 50 years and counting
H3 Astronomy Newsletter
H3 Login
Some internal link anchor texts are too long.
Some anchor texts are used more than once.
2 links don't have an anchor text.
The number of internal links is ok.
All internal links are not using dynamic parameters.
There are too many external links (31) on this page.

Found links on this page

LinkAttributesAnchor text
https://www.astronomy.com/Anchor Skip to content
https://www.astronomy.com/Subdomain IMG-ALT Astronomy Magazine logo
https://thespacestore.com/External Shop
https://kalmbach.dragonforms.c...External Subdomain Subscribe
https://www.astronomy.com/news/Subdomain News
/science/Subdomain Science
/science/solar-system/Subdomain Solar System
/science/exoplanets/Subdomain Exoplanets
/science/stars/Subdomain Stars
/science/milky-way/Subdomain Milky Way
/science/galaxies/Subdomain Galaxies
/science/exotic-objects/Subdomain Exotic Objects
/science/cosmology/Subdomain Cosmology
/observing/Subdomain Observing
/in-the-sky/Subdomain In The Sky
/observing/upcoming-events/Subdomain Upcoming Events
/observing/the-sun/Subdomain The Sun
/observing/the-moon/Subdomain The Moon
/observing/planets-observing/Subdomain Planets
/observing/deep-sky-objects/Subdomain Deep-Sky Objects
/observing/observing-basics/Subdomain Observing Basics
/observing/telescopes-equipment/Subdomain Telescopes and Equipment
/observing/astrophotography/Subdomain Astrophotography
/space-exploration/Subdomain Space Exploration
/space-exploration/human-space...Subdomain Human Spaceflight
/space-exploration/robotic-spa...Subdomain Robotic Spaceflight
/magazine/Subdomain The Magazine
/ask-astro/Subdomain Ask Astro
https://www.astronomy.com/news/Subdomain Text duplicate News
/science/Subdomain Text duplicate Science
/science/solar-system/Subdomain Text duplicate Solar System
/science/exoplanets/Subdomain Text duplicate Exoplanets
/science/stars/Subdomain Text duplicate Stars
/science/milky-way/Subdomain Text duplicate Milky Way
/science/galaxies/Subdomain Text duplicate Galaxies
/science/exotic-objects/Subdomain Text duplicate Exotic Objects
/science/cosmology/Subdomain Text duplicate Cosmology
/observing/Subdomain Text duplicate Observing
/in-the-sky/Subdomain Text duplicate In The Sky
/observing/upcoming-events/Subdomain Text duplicate Upcoming Events
/observing/the-sun/Subdomain Text duplicate The Sun
/observing/the-moon/Subdomain Text duplicate The Moon
/observing/planets-observing/Subdomain Text duplicate Planets
/observing/deep-sky-objects/Subdomain Text duplicate Deep-Sky Objects
/observing/observing-basics/Subdomain Text duplicate Observing Basics
/observing/telescopes-equipment/Subdomain Text duplicate Telescopes and Equipment
/observing/astrophotography/Subdomain Text duplicate Astrophotography
/space-exploration/Subdomain Text duplicate Space Exploration
/space-exploration/human-space...Subdomain Text duplicate Human Spaceflight
/space-exploration/robotic-spa...Subdomain Text duplicate Robotic Spaceflight
/magazine/Subdomain Text duplicate The Magazine
/ask-astro/Subdomain Text duplicate Ask Astro
https://thespacestore.com/External Text duplicate Shop
https://kalmbach.dragonforms.c...External Subdomain Text duplicate Subscribe
https://www.astronomy.com/news/Subdomain View All News
/observing/will-a-new-solar-fl...Subdomain IMG-ALT solar flare
/observing/Subdomain Text duplicate Observing
/observing/upcoming-events/Subdomain Upcoming events
/observing/will-a-new-solar-fl...Subdomain Will a new solar flare produce great northern lights?
/science/is-ai-the-key-to-pred...Subdomain IMG-ALT stream of plasma from the Sun
/science/solar-system/Subdomain Text duplicate Solar System
/science/stars/Subdomain Text duplicate Stars
/science/is-ai-the-key-to-pred...Subdomain Is AI the key to predicting solar storms?
/observing/comet-tsuchinshan-a...Subdomain IMG-ALT Comet Tsuchinshan-ATLAS
/observing/Subdomain Text duplicate Observing
/observing/comet-tsuchinshan-a...Subdomain Comet Tsuchinshan-ATLAS: The comet of the year is here
/observing/eclipse-success-on-...Subdomain No Text
/observing/the-sun/Subdomain Text duplicate The Sun
/observing/eclipse-success-on-...Subdomain Eclipse success on Easter Island
/picture-of-the-day/Subdomain See all photos
/picture-of-the-day/photo/past...Subdomain No Text
/picture-of-the-day/photo/past...Subdomain Pastoral perihelion
/in-the-sky/Subdomain Explore all
/observing/the-sky-this-week-f...Subdomain IMG-ALT First Quarter Moon in October 2024
/observing/Subdomain Text duplicate Observing
/observing/the-sky-this-week-f...Subdomain The Sky This Week from October 4 to 11: Enjoy a First Quarter Moon
https://www.astronomy.com/news/Subdomain Text duplicate View All News
/science/is-ai-the-key-to-pred...Subdomain Text duplicate IMG-ALT stream of plasma from the Sun
/science/solar-system/Subdomain Text duplicate Solar System
/science/stars/Subdomain Text duplicate Stars
/science/is-ai-the-key-to-pred...Subdomain Text duplicate Is AI the key to predicting solar storms?
/observing/will-a-new-solar-fl...Subdomain Text duplicate IMG-ALT solar flare
/observing/Subdomain Text duplicate Observing
/observing/upcoming-events/Subdomain Text duplicate Upcoming events
/observing/will-a-new-solar-fl...Subdomain Text duplicate Will a new solar flare produce great northern lights?
/observing/full-moon-calendar-...Subdomain IMG-ALT Full Moon in July 2016.
/observing/Subdomain Text duplicate Observing
/observing/the-moon/Subdomain Text duplicate The Moon
/observing/full-moon-calendar-...Subdomain 2024 Full Moon calendar: When to see the Full Moon and phases
/observing/observe-the-galaxie...Subdomain IMG-ALT At a distance of 12 million light-years and around 105,000 light-years across, NGC 253’s angular length is close to the diameter of the Full Moon.
/observing/deep-sky-objects/Subdomain Text duplicate Deep-Sky Objects
/observing/observe-the-galaxie...Subdomain Observe the galaxies of Sculptor
/issues/2024/october-2024/Subdomain October 2024
/observing/deep-sky-objects-to...Subdomain Deep-sky objects to target as a novice observer
/observing/observe-the-galaxie...Subdomain Text duplicate Observe the galaxies of Sculptor
https://kalmbach.dragonforms.c...External Subdomain Text duplicate Subscribe
https://thespacestore.com/prod...External New arrivals Deep Space Mysteries 2025 Calendar
https://thespacestore.com/coll...External Books & DVDs Observer's Handbook 2025
https://thespacestore.com/prod...External Globes & Maps 6-Inch Neptune Globe
https://thespacestore.com/prod...External Gifts & Toys NASA Logo 4" Sticker
https://thespacestore.com/coll...External STEM Toys Atlantis Orbiter 1/144 Model
https://thespacestore.com/coll...External Globes & Maps 6" Earth Globe
https://thespacestore.com/prod...External Gifts & Toys Infrared Jupiter Puzzle
https://thespacestore.com/coll...External Gifts & Toys Expedition 73 No Names
https://thespacestore.com/coll...External Apparel Artemis Program Addidas Quarter zip pullover
https://thespacestore.com/coll...External Apparel Astronomy Magazine Under Armour® men's polo
https://thespacestore.com/coll...External Apparel NASA Embroidered Unisex Hoodie
https://thespacestore.com/External Visit The Space Store
https://kalmbach.dragonforms.c...External Subdomain Count me in
https://www.astronomy.com/Subdomain Text duplicate IMG-ALT Astronomy Magazine logo
https://www.facebook.com/Astro...External Subdomain Facebook
https://www.linkedin.com/compa...External Subdomain LinkedIn
https://www.youtube.com/user/a...External Subdomain YouTube
https://www.instagram.com/astr...External Subdomain Instagram
https://twitter.com/AstronomyMagExternal Twitter
/about-us/Subdomain About Us
/contact/Subdomain Contact Us
https://kalmbach.dragonforms.c...External Subdomain Text duplicate Subscribe
https://kalmbach.dragonforms.c...External Subdomain Customer Service
/advertise-with-us/Subdomain Advertising
https://firecrown.com/terms-of...External Terms of Use
https://firecrown.com/privacy-...External Privacy Policy
https://firecrown.com/External More Sites from Firecrown Media
https://www.astronomy.com/Anchor Scroll to Top
/register/Subdomain Create an Account
https://kalmbach.dragonforms.c...New window External Subdomain Forgot your password?
https://kalmbach.dragonforms.c...New window External Subdomain Manage My Account
/contact/Subdomain Contact
https://kalmbach.dragonforms.c...New window External Subdomain Customer Support

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.astronomy.com/"
HTTP header
(Important)
The X-powered header is sent within the response header. (unnecessary)
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time of 0.65 seconds is longer than the recommended limit of 0.4 seconds. A high response time unnecessarily slows down search engine crawling and results in bad user experience as well.
The file size of the HTML document is fine (109 kB).

HTTP Response Header

NameValue
content-typetext/html; charset=UTF-8
x-powered-byPHP/7.4.33
set-cookie198 Characters
cache-controlmax-age=0
link<https://www.astronomy.com/wp-json/>; rel="https://api.w.org/"
content-encodinggzip
accept-rangesbytes
via1.1 varnish, 1.1 varnish
dateSat, 05 Oct 2024 01:37:25 GMT
x-served-bycache-bfi-kbfi7400049-BFI, cache-fra-etou8220107-FRA
x-cacheMISS, MISS
x-cache-hits0, 0
varyFastly-GeoCountry, Accept-Encoding
strict-transport-securitymax-age=31557600
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 10,006 referring domains.
This page has 210,722 backlinks.
This page has backlinks from 6,745 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

User-agent: *
Disallow: /wp/wp-admin/
Allow: /wp/wp-admin/admin-ajax.php

# START YOAST BLOCK
# ---------------------------
User-agent: *
Disallow:

Sitemap: https://www.astronomy.com/sitemap_index.xml
# ---------------------------
# END YOAST BLOCK

Similar sites

Search preview

www.astronomy.com
Astronomy Magazine: Space News, Observing, Planets, Galaxies
Astronomy.com is for anyone who wants to learn more about astronomy and space, including planets, galaxies, asteroids, and NASA.

Most important keywords

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

KeywordResultRecheck
Astronomy93%Check
Astronomy Magazine80%Check
Astronomy News79%Check
Space77%Check
Space News72%Check
Magazine68%Check
News66%Check
News New66%Check
Galaxies65%Check
Observing61%Check
Show more keywords and terms

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