Nineplanets.org - SEO Checker

Sign up for free! PDF Export
Overview of the SEO Check
Meta information
90% 
Page quality
81% 
Page structure
97% 
Link structure
43% 
Server
79% 
External factors
100% 
SEO Score
Response time
0.86 s
File size
85.60 kB
Words
813
Media files
22
Number of links
124 internal / 4 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
The Nine Planets of The Solar System | Eight Planets Without Pluto
The page title should be shorter than 580 pixels. It is 604 pixels long. Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
An overview of the history, mythology and current scientific knowledge of the planets, moons and other objects in our solar system.
The length of the meta description is perfect. (802 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://nineplanets.org/
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
robotsindex, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
viewportwidth=device-width, initial-scale=1
descriptionAn overview of the history, mythology and current scientific knowledge of the planets, moons and other objects in our solar system.
msapplication-TileImagehttps://nineplanets.org/wp-content/uploads/2019/09/cropped-pluto-270x270.png
google-adsense-accountca-pub-0988764807322616
article:modified_time2023-10-02T01:03:52+00:00
langen-us
twitter:cardsummary_large_image
og:localeen_US
og:typewebsite
og:titleThe Nine Planets of The Solar System | Eight Planets Without Pluto
og:descriptionAn overview of the history, mythology and current scientific knowledge of the planets, moons and other objects in our solar system.
og:urlhttps://nineplanets.org/
og:site_nameThe Nine Planets
og:imagehttps://nineplanets.org/wp-content/uploads/2019/09/mercury.png
charsetUTF-8

Automatically check nineplanets.org including all subpages at once!

Try for free
Guaranteed free of charge during trial period.

Page quality

Content
(Critically important)
This page contains 813 words. That's ok.
35.7% 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.
21 paragraphs were found on this page.
The text content is perfect.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 18.21 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 usage of strong and bold tags is perfect. We recommend the use of up to 16 tags for this page.
Image SEO
(Somewhat important)
21 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
/wp-content/uploads/2019/09/pluto.pngThe Nine Planets
/wp-content/uploads/2019/09/mercury.pngNo alt attribute provided
/wp-content/uploads/2019/09/venus.pngNo alt attribute provided
/wp-content/uploads/2019/09/earth.pngNo alt attribute provided
/wp-content/uploads/2019/09/mars.pngNo alt attribute provided
/wp-content/uploads/2019/09/jupiter.pngNo alt attribute provided
/wp-content/uploads/2019/09/saturn.pngNo alt attribute provided
/wp-content/uploads/2019/09/uranus.pngNo alt attribute provided
/wp-content/uploads/2019/09/neptune.pngNo alt attribute provided
/wp-content/uploads/2019/09/ceres.pngNo alt attribute provided
/wp-content/uploads/2019/09/pluto-1.pngNo alt attribute provided
/wp-content/uploads/2019/09/haumea.pngNo alt attribute provided
/wp-content/uploads/2019/09/makemake.pngNo alt attribute provided
/wp-content/uploads/2019/09/eris.pngNo alt attribute provided
/wp-content/uploads/2019/09/sun.pngNo alt attribute provided
/wp-content/uploads/2019/09/moon.pngNo alt attribute provided
/wp-content/uploads/2019/09/comet.pngNo alt attribute provided
/wp-content/uploads/2019/09/asteroid.pngNo alt attribute provided
...ontent/uploads/2019/09/asteroid-belt.pngNo alt attribute provided
...loads/2019/10/excel-high-school-logo.pngNo alt attribute provided
/wp-content/uploads/2021/01/Logo-300x81.jpgNo alt attribute provided
...gton-Technical-Institute-Logo-300x76.pngNo alt attribute provided

Page structure

H1 heading
(Critically important)
The Nine Planets
The H1 heading is too short (16 characters). It should be at least 20 Characters long.
Headings
(Important)
The heading structure is perfect.

Heading structure

Heading levelContent
H1 The Nine Planets
H2 An overview of the history, mythology and current scientific knowledge of the planets, moons and other objects in our solar system.
H2 The 9 Planets in Our Solar System
H2 The Five Dwarf Planets
H2 Other Objects in The Solar System
H2 Earth Science course
H2 Latest Buyer’s Guides
H3 Mercury
H3 Venus
H3 Earth
H3 Mars
H3 Jupiter
H3 Saturn
H3 Uranus
H3 Neptune
H3 Ceres
H3 Pluto
H3 Haumea
H3 Makemake
H3 Eris
H3 The Sun
H3 The Moon
H3 Comets
H3 Asteroids
H3 Asteroid Belt
Some anchor texts are used more than once.
18 links don't have an anchor text.
There are 1 links with a trivial anchor text.
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 4 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://nineplanets.org/Anchor Skip to content
A-TITLE Skip to content
https://nineplanets.org/IMG-ALT The Nine Planets
https://nineplanets.org/Text duplicate The Nine Planets
https://nineplanets.org/planets/Planets
/planets/terrestrial-planets/Terrestrial Planets
https://nineplanets.org/earth/Earth
https://nineplanets.org/mercury/Mercury
https://nineplanets.org/venus/Venus
https://nineplanets.org/mars/Mars
/planets/gas-giants/Gas Giants
https://nineplanets.org/jupiter/Jupiter
https://nineplanets.org/saturn/Saturn
https://nineplanets.org/uranus/Uranus
https://nineplanets.org/neptune/Neptune
/planets/dwarf-planets/Dwarf Planets
https://nineplanets.org/ceres/Ceres
https://nineplanets.org/pluto/Pluto
https://nineplanets.org/haumea/Haumea
https://nineplanets.org/makemake/Makemake
https://nineplanets.org/eris/Eris
/solar-system/Solar System
https://nineplanets.org/the-sun/The Sun
https://nineplanets.org/the-moon/The Moon
/moon/phases/Moon Phases
https://eightplanets.org/External Eight Planets
https://nineplanets.org/objects/Objects
/asteroids/Asteroids
https://nineplanets.org/asteroid/Asteroid Types
/c-type-asteroids/C-type Asteroids
/m-type-asteroids/M-type Asteroids
/near-earth-asteroids/Near-Earth Asteroids
/s-type-asteroids/S-type Asteroids
https://nineplanets.org/icarus/Icarus (Asteroid)
/kirkwood-gap/Kirkwood Gap
https://nineplanets.org/comets/Comets
/constellations/Constellations
/asterisms/Asterisms
/asteroid-belt/The Asteroid Belt
https://nineplanets.org/galaxies/Galaxies
https://nineplanets.org/stars/Stars
https://nineplanets.org/star/Types Of Stars
/falling-stars/Falling (Shooting) Stars
/albireo-β-cygni/Albireo (β Cygni)
/algol-β-persei/Algol (β Persei)
/alkaid-η-ursae-majoris/Alkaid (η Ursae Majoris)
/alphecca-α-coronae-borealis/Alphecca (α Coronae Borealis)
/questions/Questions
https://nineplanets.org/kids/Planets for Kids
https://nineplanets.org/guide/Buyer’s Guides
/guide/best-astronomy-binoculars/Best Astronomy Binoculars
/guide/best-telescope/Best Telescopes
/guide/best-telescope-filters/Best Telescope Filters
/guide/best-solar-system-toys-...Best Solar System Toys
/guide/best-telescope-eyepieces/Best Telescope Eyepieces
/guide/best-orion-telescopes/Best Orion Telescopes
/guide/best-telescopes-for-kids/Best Telescopes For Kids
/guide/best-educational-space-...Best Educational Space Toys For Kids
https://nineplanets.org/mercury/No Text
https://nineplanets.org/mercury/Text duplicate Mercury
https://nineplanets.org/mercury/Mercury facts →
https://nineplanets.org/venus/No Text
https://nineplanets.org/venus/Text duplicate Venus
https://nineplanets.org/venus/Venus facts →
https://nineplanets.org/earth/No Text
https://nineplanets.org/earth/Text duplicate Earth
https://nineplanets.org/earth/Earth facts →
https://nineplanets.org/mars/No Text
https://nineplanets.org/mars/Text duplicate Mars
https://nineplanets.org/mars/Mars facts →
https://nineplanets.org/jupiter/No Text
https://nineplanets.org/jupiter/Text duplicate Jupiter
https://nineplanets.org/jupiter/Jupiter facts →
https://nineplanets.org/saturn/No Text
https://nineplanets.org/saturn/Text duplicate Saturn
https://nineplanets.org/saturn/Saturn facts →
https://nineplanets.org/uranus/No Text
https://nineplanets.org/uranus/Text duplicate Uranus
https://nineplanets.org/uranus/Uranus facts →
https://nineplanets.org/neptune/No Text
https://nineplanets.org/neptune/Text duplicate Neptune
https://nineplanets.org/neptune/Neptune facts →
https://nineplanets.org/ceres/No Text
https://nineplanets.org/ceres/Text duplicate Ceres
https://nineplanets.org/ceres/Ceres facts →
https://nineplanets.org/pluto/No Text
https://nineplanets.org/pluto/Text duplicate Pluto
https://nineplanets.org/pluto/Pluto facts →
https://nineplanets.org/haumea/No Text
https://nineplanets.org/haumea/Text duplicate Haumea
https://nineplanets.org/haumea/Haumea facts →
https://nineplanets.org/makemake/No Text
https://nineplanets.org/makemake/Text duplicate Makemake
https://nineplanets.org/makemake/Makemake facts →
https://nineplanets.org/eris/No Text
https://nineplanets.org/eris/Text duplicate Eris
https://nineplanets.org/eris/Eris facts →
https://nineplanets.org/the-sun/No Text
https://nineplanets.org/the-sun/Text duplicate The Sun
https://nineplanets.org/the-sun/Sun facts →
https://nineplanets.org/the-moon/No Text
https://nineplanets.org/the-moon/Text duplicate The Moon
https://nineplanets.org/the-moon/Moon facts →
https://nineplanets.org/comets/No Text
https://nineplanets.org/comets/Text duplicate Comets
https://nineplanets.org/comets/Comet facts →
/asteroids/No Text
/asteroids/Text duplicate Asteroids
/asteroids/Asteroid facts →
/asteroid-belt/No Text
/asteroid-belt/Asteroid Belt
/asteroid-belt/Asteroid belt facts →
http://www.excelhighschool.com/New window External Subdomain online high school
/earth-science-course-by-excel...Trivial anchor text
here
https://www.northgateacademy.c...New window External Subdomain online homeschooling
https://www.washingtontech.edu...New window External Subdomain online paralegal program
/guide/how-to-choose-your-tele...How to choose your telescope magnification?
/guide/best-space-hoodies-for-...Best Space (Astronomy) Hoodies for Kids
/guide/best-space-t-shirts-for...Best Space T-Shirts for Kids
/guide/best-high-power-binocul...Best High Power Binoculars for Experts
/guide/best-travel-telescopes/Best Travel Telescopes
/guide/choosing-your-astronomy...Choosing Your Astronomy Equipment
/guide/best-space-t-shirts-adu...Best Space T-Shirts Adults
/guide/best-astronomy-gifts-un...Best Astronomy Gifts under $100
/guide/monocular-vs-binoculars/Monocular vs. Binoculars- Which One is Best for Stargazing
https://nineplanets.org/privacy/Privacy Policy
https://nineplanets.org/terms/Terms & Conditions
/cookies-policy/Cookies Policy
/disclosure/Affiliate Disclosure

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://nineplanets.org/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time of 0.86 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 (86 kB).

HTTP Response Header

NameValue
dateSun, 11 May 2025 22:31:49 GMT
content-typetext/html; charset=UTF-8
servercloudflare
x-ua-compatibleIE=edge
link<https://nineplanets.org/wp-json/>; rel="https://api.w.org/", <https://nineplanets.org/wp-json/wp/v2/pages/894>; rel="alternate"; title="JSON"; type="application/json", <https://nineplanets.org/>; rel=shortlink
varyAccept-Encoding
report-to{"group":"cf-nel","max_age":604800,"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v4?s=fgsaDD9wsHWv51mMl3f8NTZGAItoc8CvF6OG6AOcpmQuZgyLTEF%2BDVzCJ0PxRKRPcaJrVEoJHo4hWRkz9jG0Vo%2FaN%2F4HWD8sw884DyjyUqJoQCIEkdCtyorB3WltSV7KRwY%3D"}]}
cf-cache-statusDYNAMIC
nel{"report_to":"cf-nel","success_fraction":0.0,"max_age":604800}
content-encodingzstd
cf-ray93e520f3bc13d69a-CDG
alt-svch3=":443"; ma=86400
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 506 referring domains.
This page has 96,385 backlinks.
This page has backlinks from 363 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

Sitemap: https://nineplanets.org/sitemap_index.xml
Sitemap: https://nineplanets.org/tools-sitemap.xml
Sitemap: https://nineplanets.org/sitemap-moon-phases-index.xml

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

User-agent: AhrefsBot
Disallow: /

User-agent: SemrushBot
Disallow: /

Similar sites

Search preview

nineplanets.org
The Nine Planets of The Solar System | Eight Planets Without Pluto
An overview of the history, mythology and current scientific knowledge of the planets, moons and other objects in our solar system.

Most important keywords

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

KeywordResultRecheck
Planets93%Check
Nine Planets86%Check
Nine77%Check
Eight Planets71%Check
Dwarf Planets67%Check
system66%Check
solar66%Check
Solar System66%Check
Red Planet65%Check
Moon56%Check
Show more keywords and terms

Automatically check nineplanets.org including all subpages at once!

Try for free
Guaranteed free of charge during trial period.

Cookie Policy

We use cookies to make our site work and also for analytics and advertising purposes. You can enable or disable optional cookies as desired. See the following links for more information.

Contact | Privacy

We need these so the site can function properly

So we can better understand how visitors use our website

So we can serve you tailored ads and promotions