lumc.nl
Leids Universitair Medisch Centrum | LUMC
Last scanned Jul 26, 2026, 12:49 PM
Overall score
Excellent
Summary
We werken met elkaar aan een steeds betere gezondheidszorg en gezondheid. This website uses jQuery behind Cloudflare CDN. SEO is good (80/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (100/100). Top issue: No structured data (JSON-LD) found.
We werken met elkaar aan een steeds betere gezondheidszorg en gezondheid. Dat is wat ons drijft. Elke dag opnieuw.
Top issues to fix
5 issues found
1 cookie without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
20 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
3 issue(s) found
Performance
389 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Meta tags
- Title
- Leids Universitair Medisch Centrum | LUMC
- Description
- We werken met elkaar aan een steeds betere gezondheidszorg en gezondheid. Dat is wat ons drijft. Elke dag opnieuw.
- Canonical
- https://www.lumc.nl/
- Language
- nl
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0
- Robots meta
- index,follow,noarchive
- 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
- Hellenic Academic and Research Institutions CA
- Subject
- www.lumc.nl
- Valid from
- Oct 16, 2025
- Valid to
- Oct 16, 2026
- Days until expiry
- 79
- SAN domains
- www.lumc.nl, lumc.nl
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 4 cookie(s) observed
Content & assets
Headings
H1 1 · H2 9 · H3 7
Links
170 internal · 4 external · 20 broken
Images
15 total · 3 missing alt
Scripts / Styles
16 scripts · 2 stylesheets
JS / CSS size
5.5 KB · 138 B
Page size
205 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://lumc.nl
- Final URL
- https://www.lumc.nl/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 385 ms
- HTML size
- 205 KB
- Redirect chain
- https://lumc.nl → https://www.lumc.nl/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does lumc.nl use?
- lumc.nl is built with jQuery.
- Is lumc.nl secure (HTTPS)?
- Yes. lumc.nl uses TLS 1.3 with a certificate issued by Hellenic Academic and Research Institutions CA, valid until Oct 16, 2026.
- Who hosts lumc.nl?
- Hosting provider information for lumc.nl is not available yet.
- What is lumc.nl's SEO score?
- lumc.nl scored 80/100 for SEO in the latest analysis (great).
- What is lumc.nl's overall website score?
- lumc.nl has an overall SiteGraph score of 94/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card