Coalition-s.org - SEO Checker

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Overview of the SEO Check
Meta information
56% 
Page quality
39% 
Page structure
58% 
Link structure
87% 
Server
95% 
External factors
100% 
SEO Score
Response time
2.34 s
File size
59.10 kB
Words
418
Media files
32
Number of links
52 internal / 5 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
'Plan S' and 'cOAlition S' – Accelerating the transition to full and immediate Open Access to scientific publications
The page title should be shorter than 580 pixels. It is 1010 pixels long. Optimize title
There are no duplicate words in the title
Meta description
(Critically important)
Open Access
The meta description is too short. (82 pixels out of 1000 max pixel length) Optimize description
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.coalition-s.org/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Server location: United States of America
The language is not specified in the HTML markup.
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
descriptionOpen Access
robotsmax-image-preview:large
msapplication-TileImagehttps://www.coalition-s.org/wp-content/uploads/2021/04/favicon.png
twitter:imagehttps://www.coalition-s.org/wp-content/themes/plan-s/images/og-img-default.jpg
twitter:description<p>About Plan S Plan S is an initiative for Open Access publishing that was launched in September 2018. The plan is supported by cOAlition S, an international consortium of research funding and performing organisations. Plan S requires that, from 2021, scientific publications that result from research funded by public grants must be published in compliant […]</p>
twitter:cardsummary
twitter:sitehttps://www.coalition-s.org
twitter:titleHome
og:imagehttps://www.coalition-s.org/wp-content/themes/plan-s/images/og-img-default.jpg
og:description<p>About Plan S Plan S is an initiative for Open Access publishing that was launched in September 2018. The plan is supported by cOAlition S, an international consortium of research funding and performing organisations. Plan S requires that, from 2021, scientific publications that result from research funded by public grants must be published in compliant […]</p>
charsetutf-8

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Page quality

Content
(Critically important)
Some words from the page title are not used within the pages content
There are only 418 words on this page. Good pages should have about 800 words of useful content.
The average number of words per sentence of 38.4 words is high.
27% of the text are stop words.
The page contains a listing, which indicates a good text layout.
6 paragraphs were found on this page.
No placeholders texts or images were found.
There are no duplicates on the site.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
A viewport "width=device-width" 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 8 tags for this page.
Image SEO
(Somewhat important)
31 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
...emes/plan-s/images/Plan-S-logo-white.svgNo alt attribute provided
...nt/uploads/2023/11/Web-homepage-TRP2.pngNo alt attribute provided
/wp-content/uploads/samrc-logo2.pngNo alt attribute provided
...t/uploads/fwf-logo-farbig-web-300x82.jpgNo alt attribute provided
...ent/uploads/aka_en_pysty_rgb-300x243.jpgNo alt attribute provided
...uploads/ANR-France-3038x1300-300x114.pngNo alt attribute provided
..._2016__master_colour_Boarder-300x137.jpgNo alt attribute provided
/wp-content/uploads/INFN_logo-300x188.jpgNo alt attribute provided
/wp-content/uploads/logo-300x65.pngNo alt attribute provided
...uploads/2018/11/NWO-logo-RGB-185x300.jpgNo alt attribute provided
...oads/RCN_FRlogoEngrgb-farger0-300x55.pngNo alt attribute provided
/wp-content/uploads/inline-300x49.jpgNo alt attribute provided
/wp-content/uploads/arrs-300x62.pngNo alt attribute provided
...ORTE-logo-cmyk-1A-EN-300x148-300x148.pngNo alt attribute provided
...t/uploads/formas_logo_mobile-300x111.jpgNo alt attribute provided
...s/UKRI-United-Kingdom-953x249-300x78.jpgNo alt attribute provided
/wp-content/uploads/NSTC-300x211.pngNo alt attribute provided
...l-for-Science-and-Technology-300x282.jpgNo alt attribute provided
/wp-content/uploads/vinnova.pngNo alt attribute provided
...ploads/2021/01/2017_FCT_H_cor-300x87.pngNo alt attribute provided
...ploads/Wellcome-Trust-black-on-white.pngNo alt attribute provided
...uploads/gates-foundation_700-300x120.gifNo alt attribute provided
/wp-content/uploads/WHO-EN-C-H-300x95.jpgNo alt attribute provided
...o_Colour_Version_RGB_PNG_2019-300x65.pngNo alt attribute provided
/wp-content/uploads/2019/09/ASAP.pngNo alt attribute provided
/wp-content/uploads/2020/10/hhmi.pngNo alt attribute provided
...nt/uploads/2020/10/templeton-charity.pngNo alt attribute provided
...ent/uploads/2021/06/Logo-FRQ-300x115.pngNo alt attribute provided
/wp-content/uploads/fns-300x68.pngNo alt attribute provided
...ds/2022/09/NHMRC_inline_Aqua-300x146.jpgNHMRC
.../uploads/EU_flag_yellow_high-300x200.jpgNo alt attribute provided
...ienceConnect_GRIS_ED2-e1726252576396.pngNo alt attribute provided

Page structure

H1 heading
(Critically important)
Plan S
Too many H1 headings
The H1 heading is too short (6 characters). It should be at least 20 Characters long.
Headings
(Important)
Some headings occur twice on the page.

Heading structure

Heading levelContent
H1 Plan S
H1 Making full and immediate Open Access a reality
H1 Plan S Duplicate text
H2 Latest updates
H2 cOAlition S funders
H2 10 Principles
H2 Journal Checker Tool
H3 About Plan S
H3 How the Web of Science takes a step back
H3 Public launch of the European Diamond Capacity Hub and the ALMASI Project
H3 Peer-reviewed preprints and the Publish-Review-Curate model
H3 Reflections on Diamond Open Access and cOAlition S
Some internal link anchor texts are too long.
2 links don't have an anchor text.
There are 1 links with a trivial anchor text.
The number of internal links is ok.
Every linktext is unique.
All internal links are not using dynamic parameters.
There are 5 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://www.coalition-s.org/Subdomain No Text
/why-plan-s/Subdomain Plan S
/addendum-to-the-coalition-s-g...Subdomain Principles & Implementation
/plan_s_principles/Subdomain Plan S Principles
/guidance-on-the-implementatio...Subdomain Guidance on the Implementation
/technical-guidance_and_requir...Subdomain Technical Guidance and Requirements
/towards-responsible-publishing/Subdomain Towards Responsible Publishing
/rights-retention-strategySubdomain Rights Retention Strategy
/diamond-open-access/Subdomain Diamond Open Access
/equitable-open-access-publish...Subdomain Equitable Open Access publishing
/addendum-to-the-coalition-s-g...Subdomain Transformative Journals
/price-and-service-transparenc...Subdomain Price and Service Transparency Frameworks
/monitoring-the-effects-of-pla...Subdomain Monitoring the Plan S effects
/responsible-research-assessme...Subdomain Responsible Research Assessment
/coalition-s-statement-on-open...Subdomain Open Access for academic books
/statement-on-peer-reviewed-pu...Subdomain Peer reviewed publications
/plan-s-funders-implementationSubdomain Implementation Roadmap of cOAlition S Organisations
/journal-comparison-service/Subdomain Journal Comparison Service
/coalition-s-releases-the-jour...Subdomain Journal Checker Tool
/about/Subdomain cOAlition S
/about/Subdomain What is cOAlition S?
/governance/Subdomain Governance
/organisations/Subdomain Organisations
/supporters/Subdomain Supporters
/experts/Subdomain Experts
/ambassadors/Subdomain Ambassadors
/category/news/Subdomain News
/resources/Subdomain Resources
https://www.coalition-s.org/faq/Subdomain FAQ
/faq-theme/about-coalition-s-a...Subdomain About cOAlition S and Plan S
/faq-theme/rights-licences/Subdomain Rights & licences
/faq-theme/journals-and-platfo...Subdomain Journals and platforms
/faq-theme/publication-fees-co...Subdomain Publication fees, Costs, prices & business models
/faq-theme/research-evaluation...Subdomain Research evaluation & assessment
/faq-theme/compliance/Subdomain Compliance
/faq-theme/oa-monographs/Subdomain OA Monographs
/faq-theme/technical-requireme...Subdomain Technical requirements
https://www.coalition-s.org/blogSubdomain Blog
/towards-responsible-publishing/New window Subdomain No Text
/about/Subdomain Trivial anchor text
Read more
/blog/how-the-web-of-science-t...Subdomain How the Web of Science takes a step back The Web of Science, a major commercial indexing service of scientific journals operated by Clarivate, recently decid...
/public-launch-of-the-european...Subdomain Public launch of the European Diamond Capacity Hub and the ALMASI Project The European Diamond Capacity Hub (EDCH) will hold its public launch on 15 January ...
/blog/peer-reviewed-preprints-...Subdomain Peer-reviewed preprints and the Publish-Review-Curate model The traditional scientific publication model, characterized by gate-keeping editorial decisions, ...
/blog/reflections-on-diamond-o...Subdomain Reflections on Diamond Open Access and cOAlition S International Open Access week and this year's theme “Community over Commercialization” provide me with an...
/category/news/Subdomain More news >
https://www.coalition-s.org/blogSubdomain All blog posts >
/join-the-coalition/Subdomain Join the coalition
/addendum-to-the-coalition-s-g...Subdomain More info
https://journalcheckertool.org/New window External Is this compliant with Plan S?
/contact-us/Subdomain No Text
https://twitter.com/cOAlitionS_OANew window External No Text
https://fediscience.org/@cOAli...New window External No Text
https://www.youtube.com/@cOAli...New window External Subdomain No Text
/privacy/Subdomain Privacy Notice
/disclaimer-and-copyright/Subdomain Disclaimer and Copyright
/cookies/Subdomain Cookie Notice
https://www.alys.be/New window External Subdomain Webdesign by ALYS
A-TITLE ALYS: Webdesign Agency Brussels

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.coalition-s.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 is very slow (2.34 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.
The file size of the HTML document is fine (59 kB).

HTTP Response Header

NameValue
dateMon, 20 Jan 2025 11:21:05 GMT
serverApache
x-pingbackhttps://www.coalition-s.org/xmlrpc.php
content-security-policyscript-src 'self' 'unsafe-inline' 'unsafe-eval' blob: *.googleapis.com *.googletagmanager.com *.google.com google-analytics.com *.google-analytics.com *.gstatic.com platform-api.sharethis.com *.sharethis.com tcr-manager.net cdnjs.cloudflare.com cdn.jsdelivr.net *.cloudfront.net *.fontawesome.com unpkg.com *.emolytics.com;
link<https://www.coalition-s.org/wp-json/>; rel="https://api.w.org/"
strict-transport-securitymax-age=16000000
varyAccept-Encoding
content-encodinggzip
content-typetext/html; charset=UTF-8
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 3,413 referring domains.
This page has 29,861 backlinks.
This page has backlinks from 1,667 different ip addresses.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

User-agent: *
Crawl-delay: 10

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Search preview

Most important keywords

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

KeywordResultRecheck
Plan72%Check
cOAlition68%Check
Open Access66%Check
immediate Open Access62%Check
Open Access Journals56%Check
Diamond Open Access56%Check
Open Access publishing56%Check
Access Journals51%Check
Access Platforms51%Check
public49%Check
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