Cos.io - SEO Checker

Sign up for free! PDF Export
Overview of the SEO Check
Meta information
80% 
Page quality
76% 
Page structure
95% 
Link structure
0% 
Server
100% 
External factors
100% 
SEO Score
Response time
0.21 s
File size
64.50 kB
Words
611
Media files
23
Number of links
72 internal / 49 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
Center for Open Science
The length of the page title is perfect. (224 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
At the Center for Open Science, our mission is to increase openness, integrity, and reproducibility of scholarly research. Promoting these practices within the research funding and publishing communities accelerates scientific progress
The meta description is too long: 1438 pixels from max. 1000 pixels. Optimize description
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://www.cos.io/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en
Language defined in HTTP-Equiv meta tag: 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
authorCenter for Open Science
descriptionAt the Center for Open Science, our mission is to increase openness, integrity, and reproducibility of scholarly research. Promoting these practices within the research funding and publishing communities accelerates scientific progress
generatorHubSpot
viewportwidth=device-width, initial-scale=1
langen
twitter:descriptionAt the Center for Open Science, our mission is to increase openness, integrity, and reproducibility of scholarly research. Promoting these practices within the research funding and publishing communities accelerates scientific progress
twitter:titleCenter for Open Science
twitter:imagehttps://www.cos.io/hubfs/Banners/cos-hero-original.jpg
twitter:image:altCenter for Open Science
twitter:cardsummary_large_image
og:descriptionAt the Center for Open Science, our mission is to increase openness, integrity, and reproducibility of scholarly research. Promoting these practices within the research funding and publishing communities accelerates scientific progress
og:titleCenter for Open Science
og:imagehttps://www.cos.io/hubfs/Banners/cos-hero-original.jpg
og:image:width1200
og:image:height600
og:image:altCenter for Open Science
og:urlhttps://www.cos.io
X-UA-CompatibleIE=edge,chrome=1
content-languageen
charsetutf-8

Test up to 1.000 webpages of cos.io with our free plan!

Try For Free
No trial. It's just free!

Page quality

Content
(Critically important)
Words from the H1 heading are not used in the page content.
This page contains 611 words. That's ok.
29.8% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
The page contains a listing, which indicates a good text layout.
14 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 18.94 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
A viewport "width=device-width, initial-scale=1" is provided.
Bold and strong tags
(Somewhat important)
The following tag is repeated too often: join our mailing list
Image SEO
(Somewhat important)
3 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
...=2000&height=293&name=cos-full-tag-h.pngCenter for Open ScienceCenter for Open Science
...8b9438d6-1d53-4a72-9376-e23d2e5e5209.pngLearn More
/hubfs/meta%20hp%20small.pngNo alt attribute provided
/hubfs/metasci%2025%20small.pngNo alt attribute provided
/hubfs/gfs%20blog%20thumb.pngNo alt attribute provided
/hubfs/Icons/2023/icon-code.pngResearch Software ToolsResearch Software Tools
/hubfs/Icons/2023/icon-community.pngCommunity ActionCommunity Action
/hubfs/Icons/2023/icon-research.pngMetascience and ResearchMetascience and Research
/hubfs/Icons/2023/icon-sharing.pngShare Data, Materials, or CodeShare Data, Materials, or Code
...17c71e3c-a45a-4774-a81f-464c62f16cec.pngShare your work
/hubfs/Icons/2023/icon-publish.pngShare a Paper or PreprintShare a Paper or Preprint
...f340f2ad-b981-4d1b-a566-f3854d64b182.pngUpload a paper
/hubfs/Icons/2023/icon-registration.pngRegister Your ResearchRegister Your Research
...c07f3065-29fe-499e-930c-310927d40674.pngLearn more
/hubfs/Icons/2023/icon-heart.pngDonateDonate
/hubfs/Icons/2023/icon-bullhorn.pngSpread the MessageSpread the Message
/hubfs/Icons/2023/icon-user-add.pngJoin Our TeamJoin Our Team
...ubfs/Logos/COS 2024/cos-full-tag-h-w.pngCenter for Open Science
...i.creativecommons.org/l/by/4.0/88x31.pngCreative Commons License
...png?width=100&name=charity-navigator.pngCharity Navigator
...s.guidestar.org/TransparencySeal/9294495Platinum Transparency 2023
...e-soc2.png?width=100&name=badge-soc2.pngSOC 2
Video URLWidthHeight
...ube.com/embed/9YuNGB3vNOw?feature=oembed480270

Page structure

H1 heading
(Critically important)
Show Your Work. Share Your Work. Advance Science. That’s Open Science.
The H1 heading is perfect.
Headings
(Important)
Some headings do not have any content.

Heading structure

Heading levelContent
H1 Show Your Work. Share Your Work. Advance Science. That’s Open Science.
H2 Join Our Mailing List
H2 About the Center for Open Science
H2 The open research lifecycle
H2 Conduct your own open science
H2 Support the open science movement
H3 Instagram Data Access Pilot for Well-being Research
H3 Save the Date: Metascience 2025 Conference in London
H3 Global Flourishing Study Releases Wave One Open Research Data
H3 Keep up on what's happening at the Center for Open Science, get new product updates, and learn more about open science with our blog and video updates.
H3 Empty heading
H3 Research Software Tools
H3 Community Action and Culture Change
H3 Metascience and Research
H3 Empty heading
H3 Share Data, Materials, or Code
H3 Share a Paper or Preprint
H3 Register Your Research
H3 Donate
H3 Spread the Message
H3 Join Our Team
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.
2 links don't have an anchor text.
The number of internal links is ok.
None of the anchor texts is too long.
There are too many external links (49) on this page.

Found links on this page

LinkAttributesAnchor text
https://osf.io/New window External OSF
https://topfactor.org/New window External TOP Factor
https://twitter.com/OSFrameworkNew window External X/Twitter
https://fosstodon.org/@Centerf...New window External Mastodon
https://www.linkedin.com/compa...New window External Subdomain Linkedin
https://www.youtube.com/@Cente...New window External Subdomain YouTube
https://www.redbubble.com/peop...New window External Subdomain Shop
/support-cos?hsLang=enSubdomain Donate
https://www.cos.io/Subdomain IMG-ALT Center for Open Science
https://www.cos.io/aboutSubdomain About
https://www.cos.io/about/teamSubdomain Team
https://www.cos.io/about/boardSubdomain Board
https://www.cos.io/about/partnersSubdomain Partners
/about/supportersSubdomain Supporters
https://www.cos.io/about/newsSubdomain News
https://www.cos.io/impactSubdomain Impact
https://www.cos.io/timelineSubdomain History
https://www.cos.io/about/financesSubdomain Finances
/compliance-and-standardsSubdomain Compliance and Standards
https://www.cos.io/ideaSubdomain Inclusion, Diversity, Equity, and Access
https://www.cos.io/careersSubdomain Careers
https://www.cos.io/engageSubdomain Engage
https://www.cos.io/toolsSubdomain Tools
/services/trainingSubdomain Training
/community-buildingSubdomain Community Building
https://www.cos.io/policy-reformSubdomain Policy Reform
https://www.cos.io/support-cosSubdomain Text duplicate Donate
https://www.cos.io/open-scienceSubdomain Open Science
/initiatives/preregSubdomain Preregistration
/initiatives/registered-reportsSubdomain Registered Reports
/services/researchSubdomain Research
https://www.cos.io/metaSubdomain Instagram Data Access Pilot
/lifecyclejournalSubdomain Lifecycle Journal
/communities/metascienceNew window Subdomain Metascience
/smart-prototypingSubdomain SMART Prototyping
https://www.cos.io/scoreSubdomain SCORE
/r3ct/registered-revisionsSubdomain Registered Revisions
https://www.cos.io/r3ct/gfs-trialSubdomain GFS Trial
https://www.cos.io/rpcbSubdomain RP: Cancer Biology
https://osf.io/ezcuj/wiki/homeNew window External RP: Psychology
https://www.cos.io/eventsSubdomain Events
https://www.cos.io/eventsSubdomain Webinars
https://metascience.info/External Metascience 2025
/supporter-engagement-seriesSubdomain Enabling Research Innovation
https://www.cos.io/yos-conferenceSubdomain Year of Open Science Conference
https://www.cos.io/blogSubdomain Blog
https://www.cos.io/contact-usSubdomain Contact
https://cta-redirect.hubspot.c...External Subdomain IMG-ALT Learn More
https://www.cos.io/meta?hsLang=enSubdomain No Text
https://www.cos.io/meta?hsLang=enSubdomain Instagram Data Access Pilot for Well-being Research
https://metascience.info/External No Text
https://metascience.info/External Save the Date: Metascience 2025 Conference in London
https://www.cos.io/gfs?hsLang=enSubdomain No Text
https://www.cos.io/gfs?hsLang=enSubdomain Global Flourishing Study Releases Wave One Open Research Data
https://osf.io/?_gl=1*1x1cvxh*...New window External Open Science Framework
https://cta-redirect.hubspot.c...New window External Subdomain IMG-ALT Share your work
https://cta-redirect.hubspot.c...New window External Subdomain IMG-ALT Upload a paper
https://cta-redirect.hubspot.c...New window External Subdomain IMG-ALT Learn more
/about/support-cos?hsLang=enSupport open science with a donation today
https://www.cos.io/blog?hsLang=enblog
https://www.youtube.com/channe...New window External Subdomain YouTube channel
/communities/ambassadors?hsLan...COS Ambassador program
/careers?hsLang=enView our openings
https://unsplash.com/@jrkorpa?...External Jr Korpa
https://unsplash.com/@jrkorpa?...External Unsplash
https://twitter.com/OSFrameworkNew window External Text duplicate X/Twitter
https://fosstodon.org/@Centerf...New window External Text duplicate Mastodon
https://www.linkedin.com/compa...New window External Subdomain Text duplicate Linkedin
https://www.youtube.com/@Cente...New window External Subdomain Text duplicate YouTube
http://creativecommons.org/lic...External IMG-ALT Creative Commons License
https://creativecommons.org/li...New window External Creative Commons Attribution 4.0 International (CC BY 4.0) License
/how-to-translate?hsLang=enSubdomain Translation Help
https://github.com/CenterForOp...External Terms of Use
https://github.com/CenterForOp...External Privacy Policy
/about?hsLang=enSubdomain Text duplicate About
/about/team?hsLang=enSubdomain Text duplicate Team
/about/board?hsLang=enSubdomain Text duplicate Board
/about/partners?hsLang=enSubdomain Text duplicate Partners
/about/news?hsLang=enSubdomain Text duplicate News
/impact?hsLang=enSubdomain Text duplicate Impact
/timeline?hsLang=enSubdomain Text duplicate History
/about/finances?hsLang=enSubdomain Text duplicate Finances
/about/diversity-equity-and-in...Subdomain Diversity, Equity & Inclusion
/careers?hsLang=enSubdomain Text duplicate Careers
/engage?hsLang=enSubdomain Text duplicate Engage
/tools?hsLang=enSubdomain Text duplicate Tools
/services/training?hsLang=enSubdomain Text duplicate Training
/community-building?hsLang=enSubdomain Text duplicate Community Building
/policy-reform?hsLang=enSubdomain Text duplicate Policy Reform
/support-cos?hsLang=enSubdomain Text duplicate Donate
/open-science?hsLang=enSubdomain Text duplicate Open Science
/initiatives/prereg?hsLang=enSubdomain Text duplicate Preregistration
/initiatives/registered-report...Subdomain Text duplicate Registered Reports
/services/research?hsLang=enSubdomain Text duplicate Research
/score?hsLang=enSubdomain Text duplicate SCORE
https://www.cos.io/rpcb?hsLang=enSubdomain Text duplicate RP: Cancer Biology
https://osf.io/ezcuj/wiki/home/New window External Text duplicate RP: Psychology
/events?hsLang=enSubdomain Text duplicate Events
https://www.cos.io/blog?hsLang=enSubdomain Text duplicate Blog
/contact-us?hsLang=enSubdomain Text duplicate Contact
https://www.redbubble.com/peop...New window External Subdomain Text duplicate Shop
https://osf.io/New window External Text duplicate OSF
https://topfactor.org/New window External Text duplicate TOP Factor
https://www.charitynavigator.o...New window External Subdomain IMG-ALT Charity Navigator
https://www.guidestar.org/prof...New window External Subdomain IMG-ALT Platinum Transparency 2023
https://www.aicpa-cima.com/res...New window External Subdomain IMG-ALT SOC 2
https://www.charitynavigator.o...New window External Subdomain Text duplicate Charity Navigator
https://www.guidestar.org/prof...New window External Subdomain Candid
https://www.aicpa-cima.com/res...New window External Subdomain American Institute of CPAs (AICPA)
https://6723653.fs1.hubspotuse...External Subdomain No Text
https://6723653.fs1.hubspotuse...External Subdomain No Text
https://6723653.fs1.hubspotuse...External Subdomain No Text
https://6723653.fs1.hubspotuse...External Subdomain No Text
https://6723653.fs1.hubspotuse...External Subdomain No Text
https://6723653.fs1.hubspotuse...External Subdomain No Text
https://6723653.fs1.hubspotuse...External Subdomain No Text
https://6723653.fs1.hubspotuse...External Subdomain No Text
https://6723653.fs1.hubspotuse...External Subdomain No Text
https://6723653.fs1.hubspotuse...External Subdomain No Text
https://6723653.fs1.hubspotuse...External Subdomain No Text
https://6723653.fs1.hubspotuse...External Subdomain No Text

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://www.cos.io/"
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 0.21 seconds.
The file size of the HTML document is fine (65 kB).

HTTP Response Header

NameValue
dateSun, 29 Sep 2024 20:11:14 GMT
content-typetext/html; charset=UTF-8
cache-controls-maxage=10800, max-age=0
last-modifiedTue, 24 Sep 2024 08:54:58 GMT
link</hs/hsstatic/keyboard-accessible-menu-flyouts/static-1.17/bundles/project.js>; rel=preload; as=script,</hs/hsstatic/cos-i18n/static-1.53/bundles/project.js>; rel=preload; as=script
strict-transport-securitymax-age=31536000
content-security-policyupgrade-insecure-requests
edge-cache-tagCT-28840293718,P-6723653,L-110955333739,L-110955928358,L-24588201223,W-110954594060,W-1601323362237,W-1604086515564,W-1626908006267,W-1644262448862,W-1689214308001,W-1689216483546,W-1689217559105,CW-111198822404,CW-111318213638,CW-112046256766,CW-24498227976,CW-28890057835,CW-35340949884,CW-51286410263,CW-65682193073,E-24499218053,E-24499263391,MENU-110954594060,PGS-ALL,SW-0,GC-110955899979,GC-111328609636
referrer-policyno-referrer-when-downgrade
x-hs-cache-configBrowserCache-5s-EdgeCache-30s
x-hs-cache-controls-maxage=10800, max-age=0
x-hs-cf-cache-statusHIT
x-hs-content-id28840293718
x-hs-hub-id6723653
x-hs-prerenderedTue, 24 Sep 2024 08:54:58 GMT
set-cookie255 Characters
report-to{"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=p0qzqKN0VAk0v7oWcqiqrovRVsKVxRtmNsqhcRaXVVT94NfHEOdx%2B%2BMyDwo%2B5BkYWu85pw2%2FLoVMd1fQOWwBcOKXayBbJOhbGo6NE%2FjSIr85g3ltbEcteQzdUeM%3D"}],"group":"cf-nel","max_age":604800}
nel{"success_fraction":0.01,"report_to":"cf-nel","max_age":604800}
varyAccept-Encoding
servercloudflare
cf-ray8cae9f09890c30ca-FRA
content-encodinggzip
statuscode200
http_versionHTTP/2

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 1,856 referring domains.
This page has 13,999 backlinks.
This page has backlinks from 1,312 different ip addresses.
Facebook popularity
(Somewhat important)
The page has 0 shares and comments on Facebook.

Links from Wikipedia

You can find more links using Wikipedia search

Robots.txt

User-agent: *
            Disallow: /sample-*
            Disallow: /blog/sample-*
Disallow: /_hcms/preview/
Disallow: /hs/manage-preferences/
Disallow: /hs/preferences-center/
Disallow: /*?*hs_preview=*
Disallow: /*?*hsCacheBuster=*

Similar sites

Search preview

www.cos.io
Center for Open Science
At the Center for Open Science, our mission is to increase openness, integrity, and reproducibility of scholarly research. Promoting these practices within the research funding and publishing communities accelerates scientific progress

Most important keywords

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

KeywordResultRecheck
Open82%Check
Science82%Check
Open Science78%Check
Science Center75%Check
Open Research73%Check
Center70%Check
Research65%Check
Support open science64%Check
Share58%Check
Research Communities57%Check
Show more keywords and terms

Test up to 1.000 webpages of cos.io with our free plan!

Try For Free
No trial. It's just free!

Cookie Policy

We use cookies to make our site work and also for analytics and advertising purposes. You can enable or disable optional cookies as desired. See the following links for more information.

Contact | Privacy

We need these so the site can function properly

So we can better understand how visitors use our website

So we can serve you tailored ads and promotions