rdrr.io
R Package Documentation
Last scanned Aug 5, 2026, 11:00 PM · 12 views
Overall score
Great
Summary
A comprehensive index of R packages and documentation from CRAN, Bioconductor, GitHub and R-Forge. This website uses Google Analytics hosted on OVH - OVH SAS, FR. SEO is excellent (100/100) and accessibility is fair (70/100). Security scores good (85/100) and performance excellent (90/100).
R Package Documentation
A comprehensive index of R packages and documentation from CRAN, Bioconductor, GitHub and R-Forge.
- Canada
- Hosted on OVH - OVH SAS, FR
Top issues to fix
3 issues found · 2 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Over half of images are missing alt text
AccessibilityAdd alt attributes to images — screen readers depend on them, and they help image SEO.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
SEO
0 issue(s) found
Performance
71 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Score history
+1 overall since Jul 26, 2026
- Overall
- 88
- SEO
- 100
- Security
- 85
- Performance
- 90
- Accessibility
- 70
Organization
Company details published in this site's own structured data.
R Package Documentation
A comprehensive index of R packages and documentation from CRAN, Bioconductor, GitHub and R-Forge.
Contact
Email, phone, and address published on this site's own pages.
- ian@mutexlabs.com
Meta tags
- Title
- R Package Documentation
- Description
- A comprehensive index of R packages and documentation from CRAN, Bioconductor, GitHub and R-Forge.
- Canonical
- https://rdrr.io/
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1, minimum-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- OVH - OVH SAS, FR
- CDN provider
- —
- IP address
- 139.99.98.212
- ASN
- AS16276 (OVH - OVH SAS, FR)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX |
|
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- rdrr.io
- Valid from
- Jul 10, 2026
- Valid to
- Oct 8, 2026
- Days until expiry
- 63
- SAN domains
- *.ext.rdrr.io, *.proxy.rdrr.io, *.rdrr.io, *.svc.rdrr.io, rdrr.io
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: none · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 5 · H3 0
Links
17 internal · 4 external · 0 broken
Images
1 total · 1 missing alt
Scripts / Styles
8 scripts · 4 stylesheets
JS / CSS size
678 KB · 430 KB
Page size
13.7 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
No SEO issues detected.
Accessibility issues
- Over half of images are missing alt text
Scan details
- Requested URL
- https://rdrr.io
- Final URL
- https://rdrr.io
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 71 ms
- HTML size
- 13.7 KB
- Redirect chain
- https://rdrr.io
See something wrong on this report? Request a correction
Related websites
Same technology stack
datasciencedojo.com
Learn Data Science Online | Data Science Dojo
html.design
800+ Free HTML Templates & Themes | html.design
atlan.com
Atlan - The Context Layer for AI
centralstatejobs.in
Find Government Jobs in India | Central State Jobs
activtrak.com
ActivTrak Work Intelligence for Productivity Optimization
hypermatic.com
Figma Plugins That Save 15+ Hours a Week - Hypermatic
Same hosting provider
whatismycountry.com
What is my country? Find your country and location by IP
oiseaux.net
Les oiseaux
hostux.net
Hostux Network – Privacy-Focused & Open-Source Tools
cux.io
Digital Experience Analytics for Web & Mobile | CUX
livefoot.fr
LiveFoot: mercato, transfert, live foot en direct de football
atelier-socle.com
Atelier Socle
Frequently asked questions
- What technology does rdrr.io use?
- rdrr.io is built with Google Analytics, Google Ads.
- Is rdrr.io secure (HTTPS)?
- Yes. rdrr.io uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 8, 2026.
- Who hosts rdrr.io?
- rdrr.io is hosted on OVH - OVH SAS, FR.
- What is rdrr.io's SEO score?
- rdrr.io scored 100/100 for SEO in the latest analysis (excellent).
- What is rdrr.io's overall website score?
- rdrr.io has an overall SiteGraph score of 88/100, combining SEO, performance, security, and accessibility.
- What company operates rdrr.io?
- rdrr.io is operated by R Package Documentation. A comprehensive index of R packages and documentation from CRAN, Bioconductor, GitHub and R-Forge.
- Has rdrr.io's score changed over time?
- rdrr.io's overall score has improved by 1 point (from 87 to 88) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card