Planetary.org - SEO Checker

Overview of the SEO Check
Meta information
100% 
Page quality
83% 
Page structure
87% 
Link structure
50% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.31 s
File size
69.00 kB
Words
546
Media files
14
Number of links
89 internal / 25 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
The Planetary Society
The length of the page title is perfect. (200 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
The Planetary Society is the largest and most effective nonprofit organization that promotes the exploration of space through education, advocacy, and...
The length of the meta description is perfect. (936 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.planetary.org/
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)
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
viewportwidth=device-width,minimum-scale=1
apple-mobile-web-app-capableyes
apple-mobile-web-app-status-bar-styleblack-translucent
apple-mobile-web-app-titledevmode
msapplication-TileColor#FFFFFF
msapplication-TileImage/img/site/mstile-144x144.png
msapplication-config/img/site/browserconfig.xml
descriptionThe Planetary Society is the largest and most effective nonprofit organization that promotes the exploration of space through education, advocacy, and...
referrerno-referrer-when-downgrade
robotsall
langen
twitter:cardsummary_large_image
twitter:site@exploreplanets
twitter:creator@exploreplanets
twitter:titleThe Planetary Society
twitter:descriptionThe Planetary Society is the largest and most effective nonprofit organization that promotes the exploration of space through education, advocacy, and innovative projects.
twitter:imagehttps://planetary.s3.amazonaws.com/web/assets/pictures/_800x418_crop_center-center_82_none/TPS-logo.png?mtime=1549488912
twitter:image:width800
twitter:image:height418
twitter:image:altThe Planetary Society logo
fb:profile_id51189044844
og:localeen_US
og:site_nameThe Planetary Society
og:typewebsite
og:urlhttps://www.planetary.org/
og:titleThe Planetary Society
og:descriptionThe Planetary Society is the largest and most effective nonprofit organization that promotes the exploration of space through education, advocacy, and innovative projects.
og:imagehttps://planetary.s3.amazonaws.com/web/assets/pictures/_1200x630_crop_center-center_82_none/TPS-logo.png?mtime=1549488912
og:image:width1200
og:image:height630
og:image:altThe Planetary Society logo
og:see_alsohttps://twitter.com/exploreplanets
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 546 words. That's ok.
24.4% of the text are stop words.
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 10.57 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width,minimum-scale=1" is provided.
At least one Apple touch icon is specified.
This page only loads 2 JavaScript files. That's good!
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 11 tags for this page.
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.

Page structure

H1 heading
(Critically important)
Your Role In Space Exploration Starts Now
The H1 heading is perfect.
Headings
(Important)
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 Your Role In Space Exploration Starts Now
H2 Featured Stories
H2 The LightSail 2 Mission
H2 Carl Sagan co-founded The Planetary Society to give you a role in space exploration.
H2 Sharing and growing the passion, beauty, and joy of space exploration.
H3 What We Do
H3 How We Work
H3 Our Results
H3 Space Topics
H3 Learn
H3 The Planetary Report
H3 Get Involved
H3 Give
H3 The Planetary Fund
H3 About Us
H3 The Planetary Society
H3 Why Lightning on Jupiter is a Planetary Unsolved Mystery
H3 This Is What Legally Happens If An Uncontrolled Rocket Damages Something
H3 Author Andy Weir and Project Hail Mary
H3 Be A Space Advocate!
H3 LightSail 2 Enters Extended Mission Phase
H3 The LightSail Mission
H3 Support the Mission
H3 Educate
H3 Advocate
H3 Innovate
H3 Collaborate
H3 "We're changing the world. Are you in?" - CEO Bill Nye
H4 The Venus Issue
H4 Our Vision
H4 Our Mission
Some internal links have dynamic parameters. All internal URLs, which are not marked as nofollow, should not contain dynamic parameters.
Some anchor texts are used more than once.
7 links don't have an anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
There are 25 external links on this page.
LinkAttributesAnchor text
https://www.planetary.org/Anchor Skip to main content
/accountcenterAccount Center
https://www.planetary.org/IMG-ALT Planetary Society logo
https://www.planetary.org/Text duplicate IMG-ALT Planetary Society logo
/accountcenterNo Text
https://www.planetary.org/donateDonate
https://www.planetary.org/joinJoin
https://www.planetary.org/joinBecome A Member
https://www.planetary.org/renewRenew
https://www.planetary.org/giftGift Membership
https://secure.planetary.org/s...External Subdomain Other Ways to Give
https://www.planetary.org/donateText duplicate Donate
https://www.planetary.org/joinText duplicate Join
https://www.planetary.org/donateText duplicate Donate
/explore-worldsExplore Worlds
IMG-ALT hand reaching toward planet
/find-lifeFind Life
IMG-ALT hand pointing to dna
/defend-earthDefend Earth
IMG-ALT fist blocking meteor
/outreachEducation & Public Outreach
/space-policy-advocacySpace Policy & Advocacy
/sci-techScience & Technology
https://www.planetary.org/globalGlobal Collaboration
/about/our-impactOur Impact Learn how our members and community are changing the worlds.
/sci-tech/lightsailLightSail Our citizen-funded spacecraft successfully demonstrated solar sailing for CubeSats.
https://www.planetary.org/worldsPlanets & Other Worlds
/space-missionsSpace Missions
/night-skyNight Sky
/space-policySpace Policy
https://www.planetary.org/kidsFor Kids
/articlesArticles
/planetary-radioPlanetary Radio
/space-imagesSpace Images
https://www.planetary.org/videoVideos
https://courses.planetary.org/External Subdomain Courses
/planetary-reportThe Venus Issue Is there life in Venus' clouds? Or will a new discovery only add to a long list of false hopes?
IMG-ALT the venus issue
/action-centerAction Center Volunteer as a space advocate.
https://www.planetary.org/joinBecome A Member Join fellow space enthusiasts in advancing space science and exploration.
https://www.planetary.org/connectEmail Signup Get updates and weekly tools to learn, share, and advocate for space exploration.
https://www.planetary.org/renewRenew Membership
https://www.planetary.org/donateSupport A Project
https://www.planetary.org/shopShop to Support
https://www.planetary.org/travelTravel
https://secure.planetary.org/s...External Subdomain Text duplicate Other Ways to Give
https://secure.planetary.org/s...External Subdomain Anchor Give Today
https://www.planetary.org/aboutOverview
/about/strategic-frameworkStrategic Framework
/press-roomNews & Press
https://www.planetary.org/careersCareers
/about/contactContact Us
/about/our-storyOur Story
https://secure.planetary.org/s...External Subdomain Text duplicate Account Center
https://twitter.com/explorepla...External No Text
https://www.youtube.com/user/p...External No Text
https://www.facebook.com/plane...External No Text
https://www.instagram.com/plan...External No Text
https://twitter.com/explorepla...External No Text
https://www.youtube.com/user/p...External No Text
https://www.facebook.com/plane...External No Text
https://www.instagram.com/plan...External No Text
https://secure.planetary.org/s...External Subdomain Text duplicate Become A Member
/articles/lightning-on-jupiter...No Text
/worlds/jupiterExplore Jupiter
/articles/lightning-on-jupiter...Why Lightning on Jupiter is a Planetary Unsolved Mystery
/articles/uncontrolled-reentry...No Text
/articlesMore Articles
/articles/uncontrolled-reentry...This Is What Legally Happens If An Uncontrolled Rocket Damages Something
/planetary-radio/andy-weir-pro...No Text
/planetary-radioText duplicate Planetary Radio
/planetary-radio/andy-weir-pro...Author Andy Weir and Project Hail Mary
https://secure.planetary.org/s...External Subdomain Donate Today
/articles/lightsail-2-extended...No Text
/articles?keywords=lightsailLightSail Updates
/articles/lightsail-2-extended...LightSail 2 Enters Extended Mission Phase
/sci-tech/lightsailNo Text
/sci-tech/lightsailLightSail Home
/sci-tech/lightsailThe LightSail Mission
/donate?s_src=homepageAnchor No Text
/donate?s_src=homepageAnchor Text duplicate Donate
/donate?s_src=homepageAnchor Support the Mission
https://secure.planetary.org/s...External Subdomain Become a member
/outreachLearn More
/space-policy-advocacyText duplicate Learn More
/sci-techText duplicate Learn More
https://www.planetary.org/globalText duplicate Learn More
https://secure.planetary.org/s...External Subdomain Sign up for email updates
https://www.planetary.org/worldsText duplicate Planets & Other Worlds
/space-missionsText duplicate Space Missions
/night-skyText duplicate Night Sky
/space-policyText duplicate Space Policy
https://www.planetary.org/kidsText duplicate For Kids
/articlesText duplicate Articles
/planetary-radioText duplicate Planetary Radio
/space-imagesText duplicate Space Images
https://www.planetary.org/videoText duplicate Videos
https://courses.planetary.org/External Subdomain Text duplicate Courses
/planetary-reportThe Planetary Report
/action-centerAction Center
https://www.planetary.org/connectEmail Signup
https://www.planetary.org/joinText duplicate Become A Member
/about/contactContact
https://www.planetary.org/renewText duplicate Renew Membership
https://www.planetary.org/donateText duplicate Support A Project
https://www.planetary.org/shopText duplicate Shop to Support
https://www.planetary.org/travelText duplicate Travel
https://secure.planetary.org/s...External Subdomain Text duplicate Other Ways to Give
https://www.planetary.org/IMG-ALT The Planetary Society logo
https://www.facebook.com/plane...External No Text
https://twitter.com/explorepla...External No Text
/rss/articlesNo Text
https://www.youtube.com/user/p...External No Text
https://www.instagram.com/plan...External No Text
/accountcenterText duplicate Account Center
/about/contactText duplicate Contact Us
https://secure.planetary.org/s...External Subdomain Privacy Policy
https://secure.planetary.org/s...External Subdomain Cookie Declaration

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.planetary.org/"
HTTP header
(Important)
No X-Powered HTTP header is sent.
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time is excellent with 0.31 seconds.
This page only loads 1 CSS files. That's ok.
This page only loads 2 JavaScript files. That's good!
The file size of the HTML document is fine (69 kB).

HTTP Response Header

NameValue
dateThu, 06 May 2021 11:01:17 GMT
content-typetext/html
transfer-encodingchunked
connectionkeep-alive
set-cookie144 Characters
varyAccept-Encoding
strict-transport-securitymax-age=31536000
x-xss-protection1; mode=block
x-content-type-optionsnosniff
x-frame-optionsSAMEORIGIN
referrer-policyno-referrer-when-downgrade
last-modifiedThu, 06 May 2021 09:50:10 GMT
cache-controlpublic, s-maxage=31536000, max-age=0
cf-cache-statusHIT
age4195
cf-request-id09e2efe08b00002bf6b83da000000001
expect-ctmax-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
report-to{"group":"cf-nel","endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report?s=4UhMZPeM%2FJY%2Fw2JiRmNU23L0mKd093ZFCwSggvS9a%2BTDJlOg6nefHlFQwW9cJ7ZfGZ4eXC5RTgfKyhUoptVbNEa5eMSgBg%2F%2BHj5stqE6Hq7NsoZgjIaLhJ9wQVKijQ%3D%3D"}],"max_age":604800}
nel{"report_to":"cf-nel","max_age":604800}
servercloudflare
cf-ray64b1b5adafc82bf6-FRA
content-encodinggzip
alt-svch3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400
statuscode200
http_versionHTTP/1.1

External factors

Blacklists
(Critically important)
This website is not classified "for adult only".
This website is not listed on the Shallalist.
This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 14,601 referring domains.
This page has 1,691,229 backlinks.
This page has backlinks from 11,818 different ip addresses.
Facebook popularity
(Somewhat important)
This page 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 for https://www.planetary.org/

sitemap: https://www.planetary.org/sitemaps-1-sitemap.xml

# live - don't allow web crawlers to index cpresources/ or vendor/

User-agent: *
Disallow: /cpresources/
Disallow: /vendor/
Disallow: /.env
Disallow: /index.php/actions/
Disallow: /actions/

Facebook popularity

Shares / Likes / Comments
1,756

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

Search preview

www.planetary.org
The Planetary Society
The Planetary Society is the largest and most effective nonprofit organization that promotes the exploration of space through education, advocacy, and...

Most important keywords

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

KeywordResultRecheck
Planetary81%Check
Planetary Society74%Check
Space66%Check
exploration66%Check
Space Exploration66%Check
Role In Space59%Check
Role54%Check
space science52%Check
Space Policy52%Check
Starts50%Check

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