Plos.org - SEO Checker

Overview of the SEO Check
Meta information
80% 
Page quality
68% 
Page structure
79% 
Link structure
75% 
Server
54% 
External factors
100% 
SEO Score
Response time
1.07 s
File size
256.90 kB
Words
708
Media files
3
Number of links
75 internal / 34 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Home - PLOS
The page title is too short. (127 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)
https://plos.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
viewportwidth=device-width, initial-scale=1, shrink-to-fit=no
robotsindex, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
generatorWordPress 5.8.5
msapplication-TileColor#00aba9
msapplication-confighttps://plos.org/wp-content/themes/plos/favicon/browserconfig.xml
theme-color#ffffff
article:modified_time2022-01-07T19:10:26+00:00
langen-us
twitter:cardsummary_large_image
twitter:label1Est. reading time
twitter:data12 minutes
og:localeen_US
og:typewebsite
og:titleHome - PLOS
og:descriptionBreaking boundaries.Empowering researchers.Opening Science. PLOS is a nonprofit, Open Access publisher empowering researchers to accelerate progress in science and medicine by leading…
og:urlhttps://plos.org/
og:site_namePLOS
x-ua-compatibleie=edge
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 708 words. That's ok.
32.1% of the text are stop words.
The page contains a listing, which indicates a good text layout.
11 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 19.47 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
This page loads 23 JavaScript files. This may affect the load time negatively.
A viewport "width=device-width, initial-scale=1, shrink-to-fit=no" is provided.
At least one Apple touch icon is specified.
Bold and strong tags
(Somewhat important)
Some tags are too long. With 81 characters this one is longer than 70 characters:
"hundreds of thousands of researchers choose plos to share and discuss their work."
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.

Page structure

H1 heading
(Critically important)
Breaking boundaries. Empowering researchers. Opening Science.
The H1 heading is perfect.
Headings
(Important)
The structure of headings is missing one or more levels. Do not skip heading levels.

Heading structure

Heading levelContent
H1 Breaking boundaries. Empowering researchers. Opening Science.
H2 Every country. Every career stage. Every area of science. Hundreds of thousands of researchers choose PLOS to share and discuss their work. Together, we collaborate to make science, and the process...
H2 Open opportunities for your community to see, cite, share, and build on your research. PLOS gives you more control over how and when your work becomes available.
H2 We have everything you need to amplify your reviews, increase the visibility of your work through PLOS, and join the movement to advance Open Science.
H5 PLOS Biology PLOS Climate PLOS Computational Biology PLOS Digital Health PLOS Genetics PLOS Global Public Health PLOS Medicine PLOS Neglected Tropical Diseases PLOS ONE PLOS Pathogens PLOS Sustaina...
Some anchor texts are used more than once.
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 too many external links (34) on this page.
LinkAttributesAnchor text
https://plos.org/IMG-ALT PLOS logo
https://plos.org/publish/Publish with PLOS
/your-journal-options/Which Journal?
https://plos.org/publish/submit/Submit
/publish/publishing-faqs/Publishing FAQs
https://plos.org/publish/fees/Fees
https://plos.org/pay-invoice/Pay Invoice
https://plos.org/publish/metrics/Metrics
/publish/funder-compliance/Funder Compliance
/research-communities/Research Communities
https://plos.org/open-science/Open Science
/open-science/open-access/Open Access
/published-peer-review-history/Published Peer Review History
/open-science/preprints/Preprints
/open-science/preregistration/Preregistration
https://plos.org/protocols/Protocols
/open-science/open-code/Open Code
/open-science/open-data/Open Data
/open-science/open-methods/Open Methods
/open-science/credit/Credit
https://plos.org/resources/Resources
/resources/for-institutions/For Institutions
https://plos.org/media/Press and Media
/resources/editor-center/Editor Center
/resources/for-reviewers/Peer Review Center
/research-by-plos/Research by PLOS
/resources/writing-center/Writing Center
https://plos.org/about/About PLOS
https://journals.plos.org/plos...External Subdomain PLOS Biology
https://journals.plos.org/climateExternal Subdomain PLOS Climate
https://journals.plos.org/plos...External Subdomain PLOS Computational Biology
https://journals.plos.org/digi...External Subdomain PLOS Digital Health
https://journals.plos.org/plos...External Subdomain PLOS Genetics
https://journals.plos.org/glob...External Subdomain PLOS Global Public Health
https://journals.plos.org/plos...External Subdomain PLOS Medicine
https://journals.plos.org/plos...External Subdomain PLOS Neglected Tropical Diseases
https://journals.plos.org/plos...External Subdomain PLOS ONE
https://journals.plos.org/plos...External Subdomain PLOS Pathogens
https://journals.plos.org/sust...External Subdomain PLOS Sustainability and Transformation
https://journals.plos.org/waterExternal Subdomain PLOS Water
https://plos.org/blogs/PLOS Blogs
https://collections.plos.org/External Subdomain PLOS Collections
https://plos.org/about/Text duplicate About PLOS
/research-communities/molecula...Molecular Biology
/research-communities/ecology/Ecology
/research-communities/immunology/Immunology
/research-communities/microbio...Microbiology
/research-communities/neurosci...Neuroscience
/research-communities/cancer/Cancer Treatment and Research
/research-communities/View all Research Communities
https://theplosblog.plos.org/2...External Subdomain A-TITLE PLOS partners with Einstein Foundation Berlin on Award for Promoting Quality in Research
https://theplosblog.plos.org/2...External Subdomain Text duplicate PLOS partners with Einstein Foundation Berlin on Award for Promoting Quality in Research
https://theplosblog.plos.org/2...External Subdomain Read more…
https://theplosblog.plos.org/2...External Subdomain A-TITLE Impact AND credibility matter when researchers evaluate research
https://theplosblog.plos.org/2...External Subdomain Text duplicate Impact AND credibility matter when researchers evaluate research
https://theplosblog.plos.org/2...External Subdomain Text duplicate Read more…
https://plos.org/announcements/View all Announcements
https://journals.plos.org/plos...External Subdomain Text duplicate PLOS Biology
https://journals.plos.org/climateExternal Subdomain Text duplicate PLOS Climate
https://journals.plos.org/plos...External Subdomain Text duplicate PLOS Computational Biology
https://journals.plos.org/digi...External Subdomain Text duplicate PLOS Digital Health
https://journals.plos.org/plos...External Subdomain Text duplicate PLOS Genetics
https://journals.plos.org/glob...External Subdomain Text duplicate PLOS Global Public Health
https://journals.plos.org/plos...External Subdomain Text duplicate PLOS Medicine
https://journals.plos.org/plos...External Subdomain Text duplicate PLOS Neglected Tropical Diseases
https://journals.plos.org/plos...External Subdomain Text duplicate PLOS ONE
https://journals.plos.org/plos...External Subdomain Text duplicate PLOS Pathogens
https://journals.plos.org/sust...External Subdomain Text duplicate PLOS Sustainability and Transformation
https://journals.plos.org/waterExternal Subdomain Text duplicate PLOS Water
https://plos.org/open-science/Learn More
/p/open-science/preprints/Text duplicate A-TITLE Preprints
/p/open-science/preprints/Text duplicate Preprints
/p/open-science/preprints/Read more...
/published-peer-review-history/A-TITLE Published Peer Review
/published-peer-review-history/Text duplicate Published Peer Review
/published-peer-review-history/Text duplicate Read more...
https://plos.org/resources/View all Resources
https://plos.org/publish/A-TITLE Submitting to PLOS
https://plos.org/publish/Text duplicate Submitting to PLOS
https://plos.org/publish/Text duplicate Publish with PLOS
/resources/for-reviewers/A-TITLE Reviewer Center
/resources/for-reviewers/Text duplicate Reviewer Center
/resources/for-reviewers/Get Started
https://plos.org/publish/Submit your manuscript
https://plos.org/Text duplicate IMG-ALT PLOS logo
https://twitter.com/plosExternal No Text
https://www.facebook.com/PLoS.orgExternal No Text
https://www.linkedin.com/compa...External No Text
https://plos.org/Home
https://plos.org/resources/Text duplicate Resources
/research-communities/Text duplicate Research Communities
https://plos.org/open-science/Text duplicate Open Science
https://plos.org/publish/Text duplicate Publish with PLOS
https://plos.org/about/Text duplicate About PLOS
https://plos.org/dei/Diversity, Equity and Inclusion
https://plos.org/media/Text duplicate Press and Media
https://plos.org/about/contact/Contact
https://plos.org/pay-invoice/Text duplicate Pay Invoice
https://plos.org/careers/Careers
https://plos.org/advertise/Advertise
/financial-overview/Financial Overview
https://plos.org/privacy-policy/Privacy Policy
https://plos.org/cookies-policy/Cookie Policy
https://plos.org/terms-of-use/Terms of Use
/payment-terms-and-conditions/Payment Terms and Conditions
/text-and-data-mining/Text & Data Mining
/terms-of-service/Terms of Service
https://plos.org/privacy-policy/Text duplicate Privacy Policy
https://plos.org/Anchor Back to top

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://plos.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 slow (1.07 seconds). The response time should be less than 0.4 seconds. Slow websites are bad for search engine bots and also result in bad user experience.
This page loads 16 CSS files. This may affect the page load time negatively.
This page loads 23 JavaScript files. This may affect the load time negatively.
The file size of the HTML document is fine (257 kB).

HTTP Response Header

NameValue
dateMon, 03 Oct 2022 15:04:40 GMT
content-typetext/html; charset=UTF-8
transfer-encodingchunked
connectionkeep-alive
cf-ray7546925499ba9122-FRA
access-control-allow-origin*
content-encodinggzip
link<https://plos.org/wp-json/>; rel="https://api.w.org/", <https://plos.org/wp-json/wp/v2/pages/51>; rel="alternate"; type="application/json", <https://plos.org/>; rel=shortlink
varyAccept-Encoding
cf-cache-statusDYNAMIC
ki-cache-typeNone
ki-cf-cache-statusBYPASS
ki-edgev=17.8
x-content-type-optionsnosniff
x-edge-location-klb1
x-kinsta-cacheHIT
report-to{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=CoU8ag%2B6B53suvpSDS4Ot8X%2BqJXgrplbkWIcQ9kzRlndcwxiFQUwWzP3qdYcki5nYEFWQpWi4HIvJ1Xi7rJi5m47EoYiS2qyC3Ih4YTYiTstCBhWfymfEQIDDrNmXsk%2B9%2Bu2ooi2"}],"group":"cf-nel","max_age":604800}
nel{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
servercloudflare
alt-svch3=":443"; ma=86400, h3-29=":443"; ma=86400
statuscode200
http_versionHTTP/1.1

External factors

Blacklists
(Nice to have)
This website is not classified "for adult only".
This page is referenced by wikipedia.
This website has excellent links from other websites.
This page has backlinks from 160,018 referring domains.
This page has 10,808,028 backlinks.
This page has backlinks from 93,616 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares, comments and likes on Facebook.
Listed on Webwiki
(Nice to have)
This website is listed on Webwiki.

Search preview

plos.org
Home - PLOS

Most important keywords

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

KeywordResultRecheck
PLOS72%Check
Research PLOS66%Check
Research59%Check
Open59%Check
Science59%Check
researchers59%Check
Open Science59%Check
Empowering researchers56%Check
Opening55%Check
PLOS JOURNALS52%Check

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