radiopaedia.org
Radiopaedia.org, the peer-reviewed collaborative radiology resource
Last scanned Aug 1, 2026, 2:00 AM · 11 views
Overall score
Fair
Summary
This website uses Cloudflare Analytics behind Cloudflare CDN. SEO is fair (65/100) and accessibility is fair (70/100). Security scores fair (70/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.
Top issues to fix
10 issues found · 4 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.
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-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
+4 more issues — details in the sections below.
SEO
5 issue(s) found
Performance
223 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Score history
-1 overall since Jul 25, 2026
- Overall
- 76
- SEO
- 65
- Security
- 70
- Performance
- 100
- Accessibility
- 70
Meta tags
- Title
- Radiopaedia.org, the peer-reviewed collaborative radiology resource
- Description
- Canonical
- https://radiopaedia.org/
- Language
- en-US
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- max-image-preview:large
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- Cloudflare
- 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
- Google Trust Services
- Subject
- radiopaedia.org
- Valid from
- Jul 15, 2026
- Valid to
- Oct 13, 2026
- Days until expiry
- 73
- SAN domains
- radiopaedia.org, *.radiopaedia.org
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 1 cookie(s) observed
Content & assets
Headings
H1 1 · H2 10 · H3 4
Links
105 internal · 0 external · 20 broken
Images
16 total · 10 missing alt
Scripts / Styles
57 scripts · 5 stylesheets
JS / CSS size
19.1 KB · 0 B
Page size
63.4 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Title longer than 60 characters
- Missing meta description
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- Over half of images are missing alt text
Scan details
- Requested URL
- https://radiopaedia.org
- Final URL
- https://radiopaedia.org
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 222 ms
- HTML size
- 63.4 KB
- Redirect chain
- https://radiopaedia.org
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does radiopaedia.org use?
- radiopaedia.org is built with Ruby on Rails, jQuery, Cloudflare Analytics.
- Is radiopaedia.org secure (HTTPS)?
- Yes. radiopaedia.org uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 13, 2026.
- Who hosts radiopaedia.org?
- Hosting provider information for radiopaedia.org is not available yet.
- What is radiopaedia.org's SEO score?
- radiopaedia.org scored 65/100 for SEO in the latest analysis (fair).
- What is radiopaedia.org's overall website score?
- radiopaedia.org has an overall SiteGraph score of 76/100, combining SEO, performance, security, and accessibility.
- Has radiopaedia.org's score changed over time?
- radiopaedia.org's overall score has declined by 1 point (from 77 to 76) since Jul 25, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card