Journals.plos.org - SEO Checker

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Overview of the SEO Check
Meta information
59% 
Page quality
83% 
Page structure
59% 
Link structure
5% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.26 s
File size
71.00 kB
Words
1025
Media files
14
Number of links
79 internal / 52 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
PLOS One
The page title is too short. (96 pixels of 580 max pixel length) Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
The meta description is missing.
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
No canonical link is 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)
This page is hosted on a subdomain. Use a top level domain for better SEO results.
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
langen
Content-Typetext/html; charset=UTF-8

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Page quality

Content
(Critically important)
This page contains 1025 words. That's ok.
27.7% of the text are stop words.
The page contains a listing, which indicates a good text layout.
14 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 20.53 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No viewpoint tag is provided.
No 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 21 tags for this page.
Image SEO
(Somewhat important)
Alt text (alternative text) is correctly used on all found images.
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
...eda653b34d7b3182e42beb5a8dfb5532dd690671We believe in a better future where science is open to all, for all.
...1f33c4ae0b98a631f1ffcc53ea63b6ec1b66246fA randomized controlled trial of the effects of dog-assisted versus robot dog-assisted therapy for children with autism or Down syndrome
...32e84a5b4c11a002347c1559f515e973e082ff50The association between oral health and risk behaviours of university students
...d137048df74e9cfc2c97d59fb35a7dea189e8159Development of label-free cell tracking for discrimination of the heterogeneous mesenchymal migration
...86201157530c2c240342ebca22d3e6e8b989262dThe 12th century bronze doors of Barisanus of Trani in Trani, Ravello and Monreale
...bc728b4eabc46a1a42fd44261357eff330774eb0Editor Spotlight: Adrián Diaz-Faes
...9ad952be0bd2fdafeb7ea4d6d1748c2090f58506Editor Spotlight: Claudia Trindade Mattos
...cdff30cbf2dbdffbd2f7de0efe1c26b0dd217e5eTen Years of International Women and Girls in Science Day: Progress and barriers to equal representation
...3444f9c14e64ccc8b5db2a622deb966ddb209d87Outcomes of orangutan wild-to-wild translocations reveal conservation and welfare risks
...ae53b4a1cf088117855d0e365987110ad98b224dReproducibility and replicability in research: What 452 professors think in Universities across the USA and India
...aa1e807685c9e0d3165666efea9314240078859eA political economy of the tobacco supply chain in an Eastern Mediterranean country: The case of Lebanon
...11e1b525f349184a9afbe3b2be6f585ca3abe862Does physical activity-based intervention decrease repetitive negative thinking? A systematic review
/resource/img/logo-plos-footer.pngPLOS

Page structure

H1 heading
(Critically important)
PLOS One
Too many H1 headings
The H1 heading is too short (8 characters). It should be at least 20 Characters long.
Headings
(Important)
Some headings occur twice on the page.

Heading structure

Heading levelContent
H1 PLOS One
H1 We believe in a better future where science is open to all, for all.
H2 A randomized controlled trial of the effects of dog-assisted versus robot dog-assisted therapy for children with autism or Down syndrome
H2 The association between oral health and risk behaviours of university students
H2 Development of label-free cell tracking for discrimination of the heterogeneous mesenchymal migration
H2 The 12th century bronze doors of Barisanus of Trani in Trani, Ravello and Monreale
H2 Editor Spotlight: Adrián Diaz-Faes
H2 Editor Spotlight: Claudia Trindade Mattos
H2 Ten Years of International Women and Girls in Science Day: Progress and barriers to equal representation
H2 Outcomes of orangutan wild-to-wild translocations reveal conservation and welfare risks
H2 Reproducibility and replicability in research: What 452 professors think in Universities across the USA and India
H2 A political economy of the tobacco supply chain in an Eastern Mediterranean country: The case of Lebanon
H2 Does physical activity-based intervention decrease repetitive negative thinking? A systematic review
H2 Get new content from PLOS One in your inbox
H3 Submit Your Manuscript
H3 Calling all experts!
H3 Aging in Human Health and Disease
H3 Complex Systems in Healthcare
H3 Collections
H3 Conferences 2025
H3 Conferences 2025 Duplicate text
H3 Publish with PLOS
H3 Connect with Us
H4 PLOS One is seeking talented individuals to join our editorial board.
Some internal link anchor texts are too long.
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.
The number of internal links is ok.
There are too many external links (52) on this page.

Found links on this page

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/plosone/Anchor Skip to main content
/plosone/PLOS One
/plosone/s/getting-startedGetting Started
/plosone/s/submission-guidelinesSubmission Guidelines
/plosone/s/figuresFigures
/plosone/s/tablesTables
/plosone/s/supporting-informationSupporting Information
/plosone/s/latexLaTeX
/plosone/s/what-we-publishWhat We Publish
/plosone/s/preprintsPreprints
/plosone/s/revising-your-manus...Revising Your Manuscript
/plosone/s/submit-nowSubmit Now
https://collections.plos.org/s...External Subdomain Calls for Papers
/plosone/s/best-practices-in-r...Best Practices in Research Reporting
/plosone/s/human-subjects-rese...Human Subjects Research
/plosone/s/animal-researchAnimal Research
/plosone/s/competing-interestsCompeting Interests
/plosone/s/disclosure-of-fundi...Disclosure of Funding Sources
/plosone/s/licenses-and-copyrightLicenses and Copyright
/plosone/s/data-availabilityData Availability
/plosone/s/complementary-researchComplementary Research
/plosone/s/materials-software-...Materials, Software and Code Sharing
/plosone/s/ethical-publishing-...Ethical Publishing Practice
/plosone/s/authorshipAuthorship
/plosone/s/corrections-express...Corrections, Expressions of Concern, and Retractions
/plosone/s/criteria-for-public...Criteria for Publication
/plosone/s/editorial-and-peer-...Editorial and Peer Review Process
https://plos.org/resources/edi...External Editor Center
/plosone/s/resources-for-editorsResources for Editors
/plosone/s/reviewer-guidelinesGuidelines for Reviewers
/plosone/s/accepted-manuscriptsAccepted Manuscripts
/plosone/s/commentsComments
/plosone/static/publishLearn More
https://www.editorialmanager.c...External Subdomain Text duplicate Submit Now
/plosone/static/publishWhy Publish with PLOS ONE
/plosone/s/journal-informationJournal Information
/plosone/s/staff-editorsStaff Editors
/plosone/static/editorial-boardEditorial Board
/plosone/s/section-editorsSection Editors
/plosone/s/advisory-groupsAdvisory Groups
/plosone/s/find-and-read-articlesFind and Read Articles
/plosone/s/publishing-informationPublishing Information
https://plos.org/publication-feesExternal Publication Fees
https://plos.org/press-and-mediaExternal Press and Media
/plosone/s/contactContact
/plosone/searchadvanced search
https://github.com/PLOS/plos-t...New window External Trivial anchor text
here
A-TITLE Link opens in new window
/plosone/s/submit-nowSubdomain IMG-ALT We believe in a better future where science is open to all, for all.
/plosone/s/submit-nowSubdomain Text duplicate We believe in a better future where science is open to all, for all.
https://survey.alchemer.com/s3...External Subdomain APPLY NOW
/plosone/article?id=10.1371/jo...A randomized controlled trial of the effects of dog-assisted versus robot dog-assisted therapy for children with autism or Down syndrome
https://pixabay.com/photos/chi...External Child and Dog
https://pixabay.com/service/li...External Pixabay
/plosone/article?id=10.1371/jo...Text duplicate IMG-ALT A randomized controlled trial of the effects of dog-assisted versus robot dog-assisted therapy for children with autism or Down syndrome
/plosone/article?id=10.1371/jo...The association between oral health and risk behaviours of university students
https://pixabay.com/photos/blu...External Toothbrush
https://pixabay.com/service/li...External Text duplicate Pixabay
/plosone/article?id=10.1371/jo...Text duplicate IMG-ALT The association between oral health and risk behaviours of university students
/plosone/article?id=10.1371/jo...Development of label-free cell tracking for discrimination of the heterogeneous mesenchymal migration
https://doi.org/10.1371/journa...External Fig 3
https://creativecommons.org/li...External CC BY 4.0
/plosone/article?id=10.1371/jo...Text duplicate IMG-ALT Development of label-free cell tracking for discrimination of the heterogeneous mesenchymal migration
/plosone/article?id=10.1371/jo...The 12th century bronze doors of Barisanus of Trani in Trani, Ravello and Monreale
https://doi.org/10.1371/journa...External Fig 10
https://creativecommons.org/li...External Text duplicate CC BY 4.0
/plosone/article?id=10.1371/jo...Text duplicate IMG-ALT The 12th century bronze doors of Barisanus of Trani in Trani, Ravello and Monreale
https://everyone.plos.org/2025...External Subdomain Editor Spotlight: Adrián Diaz-Faes
https://everyone.plos.org/2025...External Subdomain Text duplicate IMG-ALT Editor Spotlight: Adrián Diaz-Faes
https://everyone.plos.org/2025...External Subdomain Dr. Adrián A. Díaz-Faes
https://creativecommons.org/li...External Text duplicate CC BY 4.0
https://everyone.plos.org/2025...External Subdomain Editor Spotlight: Claudia Trindade Mattos
https://everyone.plos.org/2025...External Subdomain Text duplicate IMG-ALT Editor Spotlight: Claudia Trindade Mattos
https://everyone.plos.org/2025...External Subdomain Dr. Claudia Trindade Mattos
https://creativecommons.org/li...External Text duplicate CC BY 4.0
https://everyone.plos.org/2025...External Subdomain Ten Years of International Women and Girls in Science Day: Progress and barriers to equal representation
https://everyone.plos.org/2025...External Subdomain Text duplicate IMG-ALT Ten Years of International Women and Girls in Science Day: Progress and barriers to equal representation
https://www.freepik.com/free-v...External Subdomain Image by Freepik
https://www.freepik.com/legal/...External Subdomain Anchor Freepik
/plosone/article?id=10.1371/jo...Outcomes of orangutan wild-to-wild translocations reveal conservation and welfare risks
/plosone/article?id=10.1371/jo...Text duplicate IMG-ALT Outcomes of orangutan wild-to-wild translocations reveal conservation and welfare risks
https://pixabay.com/photos/ora...External Orangutan
https://pixabay.com/service/li...External Text duplicate Pixabay
/plosone/article?id=10.1371/jo...Reproducibility and replicability in research: What 452 professors think in Universities across the USA and India
/plosone/article?id=10.1371/jo...Text duplicate IMG-ALT Reproducibility and replicability in research: What 452 professors think in Universities across the USA and India
https://pixabay.com/photos/res...External Artificial Intelligence
https://pixabay.com/service/li...External Text duplicate Pixabay
/plosone/article?id=10.1371/jo...A political economy of the tobacco supply chain in an Eastern Mediterranean country: The case of Lebanon
/plosone/article?id=10.1371/jo...Text duplicate IMG-ALT A political economy of the tobacco supply chain in an Eastern Mediterranean country: The case of Lebanon
https://pixabay.com/photos/tob...External Tobacco
https://pixabay.com/service/li...External Text duplicate Pixabay
/plosone/article?id=10.1371/jo...Does physical activity-based intervention decrease repetitive negative thinking? A systematic review
/plosone/article?id=10.1371/jo...Text duplicate IMG-ALT Does physical activity-based intervention decrease repetitive negative thinking? A systematic review
https://pixabay.com/photos/gir...External Girl running
https://pixabay.com/service/li...External Text duplicate Pixabay
https://collections.plos.org/c...External Subdomain Aging in Human Health and Disease
https://collections.plos.org/c...External Subdomain Complex Systems in Healthcare
https://collections.plos.org/External Subdomain Collections
/plosone/Subdomain Conferences 2025
/plosone/Subdomain Text duplicate Conferences 2025
/plosone/s/submit-nowSubmission Instructions
https://www.editorialmanager.c...New window External Subdomain Submit Your Manuscript
/plosone/s/contactContact Us
A-TITLE Contact Us
/plosone/feed/atomRSS
A-TITLE RSS
https://bsky.app/profile/ploso...New window External PLOS One on Bluesky
A-TITLE PLOS One on Bluesky
https://www.facebook.com/plos.orgNew window External Subdomain PLOS on Facebook
A-TITLE PLOS on Facebook
https://blogs.plos.org/External Subdomain PLOS Blogs
A-TITLE PLOS Blogs
https://plos.org/privacy-policyNew window External Privacy Policy
A-TITLE Page opens in new window
https://plos.org/our-journals/External Publications
/plosbiology/PLOS Biology
/climate/PLOS Climate
/complexsystems/PLOS Complex Systems
/ploscompbiol/PLOS Computational Biology
/digitalhealth/PLOS Digital Health
/plosgenetics/PLOS Genetics
/globalpublichealth/PLOS Global Public Health
/plosmedicine/PLOS Medicine
/mentalhealth/PLOS Mental Health
/plosntds/PLOS Neglected Tropical Diseases
/plosone/Text duplicate PLOS One
/plospathogens/PLOS Pathogens
/sustainabilitytransformation/PLOS Sustainability and Transformation
https://journals.plos.org/water/PLOS Water
https://plos.org/External Home
https://blogs.plos.org/External Subdomain Blogs
https://collections.plos.org/External Subdomain Text duplicate Collections
/plosone/lockss-manifestLOCKSS
https://plos.org/privacy-policyExternal Text duplicate Privacy Policy
https://plos.org/terms-of-useExternal Terms of Use
https://plos.org/advertise/External Advertise
https://plos.org/media-inquiriesExternal Media Inquiries
https://plos.org/contactExternal Text duplicate Contact

Server configuration

HTTP redirects
(Critically important)
The checked page does not redirect to another URL.
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 is excellent with 0.26 seconds.
The file size of the HTML document is fine (71 kB).

HTTP Response Header

NameValue
dateTue, 13 May 2025 07:25:05 GMT
serverApache
strict-transport-securitymax-age=31536000
x-content-type-optionsnosniff
x-xss-protection1; mode=block
cache-controlno-cache, no-store, max-age=0, must-revalidate
pragmano-cache
expires0
x-frame-optionsDENY
content-typetext/html;charset=UTF-8
content-languagees
varyAccept-Encoding
content-encodinggzip
x-varnish49956051
age0
accept-rangesbytes
via1.1 varnish (Varnish/6.0), 1.1 google
set-cookie41 Characters
alt-svch3=":443"; ma=2592000,h3-29=":443"; ma=2592000
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 19,600 referring domains.
This page has 951,058 backlinks.
This page has backlinks from 12,731 different ip addresses.

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Robots.txt

User-agent: *
Crawl-delay: 30

Disallow: */article/figure/powerpoint
Disallow: */search
Disallow: */article/metrics
Disallow: */user
Sitemap: http://sitemaps.plos.cloud/journals/sitemap-index.xml

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KeywordResultRecheck
PLOS81%Check
PLOS One77%Check
One73%Check
PLOS One Academic Editor60%Check
PLOS Complex Systems54%Check
autism or45%Check
Health44%Check
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science44%Check
Oral Health44%Check
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