Zooniverse.org - SEO Checker

Overview of the SEO Check
Meta information
80% 
Page quality
58% 
Page structure
58% 
Link structure
52% 
Server
84% 
External factors
100% 
SEO Score
Response time
0.56 s
File size
43.00 kB
Words
52
Media files
0
Number of links
42 internal / 6 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Zooniverse
The page title is too short. (99 pixels of 580 max pixel length) Optimize title
The page title is only one word.
There are no duplicate words in the title
Meta description
(Critically important)
The Zooniverse is the world's largest and most popular platform for people-powered research.
The length of the meta description is perfect. (576 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
No canonical link is specified.
Language
(Somewhat important)
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 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
descriptionThe Zooniverse is the world's largest and most popular platform for people-powered research.
keywordsZooniverse,Research
zooniverse:deployed_commite113c5108ed633c695d2eb97dfac89784d65fa0e
langen
twitter:cardsummary
twitter:creator@the_zooniverse
twitter:titleZooniverse
twitter:descriptionThe Zooniverse is the world's largest and most popular platform for people-powered research.
twitter:imagehttps://static.zooniverse.org/assets/zooniverse-icon-web-black.png
og:titleZooniverse
og:descriptionThe Zooniverse is the world's largest and most popular platform for people-powered research.
og:imagehttps://static.zooniverse.org/assets/zooniverse-icon-web-black.png
charsetutf-8

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Page quality

Content
(Critically important)
There are only 52 words on this page. Use at least 250 words to provide useful information.
No paragraphs were detected.
5.8% of the text are stop words.
The page contains a listing, which indicates a good text layout.
No placeholders texts or images were found.
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 6 tags for this page.
Image SEO
(Somewhat important)
Alt text (alternative text) is correctly used on all found images.
Social Networks
(Nice to have)
This page is optimized perfectly for social networks.
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

No media files were found.

Page structure

H1 heading
(Critically important)
There is no H1 heading specified.
Headings
(Important)
There are no headings specified on the page. Headings are important for search engine optimization and help to structure your content.

Heading structure

No headings were found.
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.
1 links don't have an anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
There are 6 external links on this page.
LinkAttributesAnchor text
http://www.zooniverse.org/Subdomain No Text
/projectsSubdomain Projects
https://www.zooniverse.org/aboutSubdomain About
/get-involvedSubdomain Get Involved
https://www.zooniverse.org/talkSubdomain Talk
https://www.zooniverse.org/labSubdomain Build
https://www.zooniverse.org/Subdomain No Text
https://www.facebook.com/there...External Subdomain No Text
https://x.com/the_zooniverseExternal No Text
https://bsky.app/profile/zooni...External No Text
https://www.instagram.com/the....External Subdomain No Text
/projectsSubdomain Text duplicate Projects
/projects?discipline=artsSubdomain Arts
/projects?discipline=biologySubdomain Biology
/projects?discipline=climateSubdomain Climate
/projects?discipline=historySubdomain History
/projects?discipline=languageSubdomain Language
/projects?discipline=literatureSubdomain Literature
/projects?discipline=medicineSubdomain Medicine
/projects?discipline=natureSubdomain Nature
/projects?discipline=physicsSubdomain Physics
/projects?discipline=spaceSubdomain Space
/projects?discipline=social+sc...Subdomain Social Science
https://www.zooniverse.org/aboutSubdomain Text duplicate About
https://www.zooniverse.org/aboutSubdomain Anchor Contact Us
/about/teamSubdomain Our Team
/about/publicationsSubdomain Publications
/about/resourcesSubdomain Resources
/about/faqSubdomain FAQ
/get-involvedSubdomain Text duplicate Get Involved
/get-involved/volunteerSubdomain Volunteer
/get-involved/educateSubdomain Educate
/get-involved/collaborateSubdomain Collaborate
/get-involved/donateSubdomain Donate
https://www.zooniverse.org/talkSubdomain Text duplicate Talk
/talk/17Subdomain Troubleshooting
/talk/2354Subdomain Announcements
/talk/18Subdomain Project Building
/talk/1322Subdomain Data Processing
https://www.zooniverse.org/labSubdomain Build a Project
https://www.zooniverse.org/helpSubdomain Tutorial
/help/glossarySubdomain Glossary
/help/lab-policiesSubdomain Policies
/lab-best-practices/introductionSubdomain Best Practices
/privacySubdomain Privacy Policy
http://jobs.zooniverse.org/External Subdomain Jobs
https://status.zooniverse.org/External Subdomain System Status
/securitySubdomain Security

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.zooniverse.org/"
HTTP header
(Important)
The X-powered header is sent within the response header. (unnecessary)
The web server transmits the web page (HTML) in compressed form.
Performance
(Somewhat important)
The page response time of 0.56 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 (43 kB).

HTTP Response Header

NameValue
dateThu, 31 Jul 2025 06:05:39 GMT
content-typetext/html; charset=utf-8
x-powered-byNext.js
varyRSC, Next-Router-State-Tree, Next-Router-Prefetch
x-nextjs-cacheHIT
cache-controls-maxage=3600, stale-while-revalidate
etagW/"13j1we73d0oxx7"
strict-transport-securitymax-age=31536000; includeSubDomains
x-content-type-optionsnosniff
content-security-policyframe-ancestors 'self'
x-content-security-policyframe-ancestors 'self'
x-xss-protection1; mode=block
content-encodinggzip
x-azure-ref20250731T060539Z-179b4fdc9ddqffj2hC1DUS34an00000002g0000000006g7s
x-fd-int-roxy-purgeid84217128
x-cacheTCP_HIT
x-cache-infoL1_T2
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 2,892 referring domains.
This page has 585,006 backlinks.
This page has backlinks from 2,309 different ip addresses.

Search preview

www.zooniverse.org
Zooniverse
The Zooniverse is the world's largest and most popular platform for people-powered research.

Most important keywords

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

KeywordResultRecheck
People-Powered46%Check
Research46%Check
Zooniverse34%Check
Build34%Check
Project34%Check
Privacy Policy34%Check
Projects34%Check
Get34%Check
Involved34%Check
Talk34%Check

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