cos.io
Center for Open Science
Last scanned Aug 24, 2026, 1:21 PM · 3 views
Overall score
Great
Summary
At the Center for Open Science, our mission is to increase openness, integrity, and reproducibility of scholarly research. This website uses Google Analytics hosted on Cloudflare behind Cloudflare CDN. SEO is good (75/100) and accessibility is excellent (100/100). Security scores good (85/100) and performance excellent (90/100). Top issue: Meta description longer than 160 characters.
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
- United States
- Hosted on Cloudflare
Top issues to fix
7 issues found
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
+1 more issue — details in the sections below.
SEO
4 issue(s) found
Performance
311 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Contact
Email, phone, and address published on this site's own pages.
- contact@cos.io
Meta tags
- Title
- Center for Open Science
- Description
- 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
- Canonical
- https://www.cos.io
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 199.60.103.30
- ASN
- AS209242 (CLOUDFLARESPECTRUM - Cloudflare London, LLC, US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME |
|
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Google Trust Services
- Subject
- b6b50d14.sni.cloudflaressl.com
- Valid from
- Aug 20, 2026
- Valid to
- Nov 18, 2026
- Days until expiry
- 85
- SAN domains
- b6b50d14.sni.cloudflaressl.com, www.cos.io
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 2 cookie(s) observed
Content & assets
Headings
H1 3 · H2 6 · H3 14
Links
84 internal · 20 external · 2 broken
Images
20 total · 3 missing alt
Scripts / Styles
57 scripts · 5 stylesheets
JS / CSS size
114 KB · 776 KB
Page size
71.0 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 7
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Meta description longer than 160 characters
- Multiple H1 headings found
- No structured data (JSON-LD) found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Careers
This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.
Scan details
- Requested URL
- https://cos.io
- Final URL
- https://www.cos.io/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 310 ms
- HTML size
- 71.0 KB
- Redirect chain
- https://cos.io → http://www.cos.io/ → https://www.cos.io/
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Frequently asked questions
- What technology does cos.io use?
- cos.io is built with jQuery, Google Analytics.
- Is cos.io secure (HTTPS)?
- Yes. cos.io uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Nov 18, 2026.
- Who hosts cos.io?
- cos.io is hosted on Cloudflare, behind Cloudflare CDN.
- What is cos.io's SEO score?
- cos.io scored 75/100 for SEO in the latest analysis (fair).
- What is cos.io's overall website score?
- cos.io has an overall SiteGraph score of 86/100, combining SEO, performance, security, and accessibility.
- Is cos.io hiring?
- cos.io has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card