r-project.org
R: The R Project for Statistical Computing
Last scanned Jul 29, 2026, 5:00 PM · 12 views
Overall score
Fair
Summary
This website uses Apache. SEO is fair (60/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Missing meta description.
Top issues to fix
11 issues found · 3 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing meta description
SEOAdd a ~150-character meta description to control your search-result snippet and lift click-through rate.
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.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
+5 more issues — details in the sections below.
SEO
6 issue(s) found
Performance
270 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
0 overall since Jul 21, 2026
- Overall
- 79
- SEO
- 60
- Security
- 65
- Performance
- 100
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Meta tags
- Title
- R: The R Project for Statistical Computing
- Description
- Canonical
- 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
- —
- CDN provider
- —
- IP address
- —
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A | — |
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Sectigo Limited
- Subject
- *.r-project.org
- Valid from
- Dec 16, 2025
- Valid to
- Jan 16, 2027
- Days until expiry
- 171
- SAN domains
- *.r-project.org, r-project.org
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 10 · H3 0
Links
20 internal · 16 external · 20 broken
Images
1 total · 0 missing alt
Scripts / Styles
5 scripts · 4 stylesheets
JS / CSS size
262 B · 0 B
Page size
6.3 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing meta description
- Missing canonical link
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://r-project.org
- Final URL
- https://www.r-project.org/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 270 ms
- HTML size
- 6.3 KB
- Redirect chain
- https://r-project.org → https://www.r-project.org/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does r-project.org use?
- r-project.org is built with Bootstrap, jQuery, Apache.
- Is r-project.org secure (HTTPS)?
- Yes. r-project.org uses TLS 1.3 with a certificate issued by Sectigo Limited, valid until Jan 16, 2027.
- Who hosts r-project.org?
- Hosting provider information for r-project.org is not available yet.
- What is r-project.org's SEO score?
- r-project.org scored 60/100 for SEO in the latest analysis (fair).
- What is r-project.org's overall website score?
- r-project.org has an overall SiteGraph score of 79/100, combining SEO, performance, security, and accessibility.
- Has r-project.org's score changed over time?
- r-project.org's overall score has stayed steady at 79/100 since Jul 21, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card