uu.nl
Universiteit Utrecht | Sharing science, shaping tomorrow
Last scanned Jul 29, 2026, 4:00 PM · 20 views
Overall score
Excellent
Summary
De Universiteit Utrecht is een internationaal vooraanstaande onderzoeksuniversiteit waar studenten en onderzoekers samen werken aan een betere wereld. This website uses Apache. SEO is good (80/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: No structured data (JSON-LD) found.
De Universiteit Utrecht is een internationaal vooraanstaande onderzoeksuniversiteit waar studenten en onderzoekers samen werken aan een betere wereld.
Top issues to fix
5 issues found · 1 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
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
253 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
+2 overall since Jul 21, 2026
- Overall
- 92
- SEO
- 80
- Security
- 90
- Performance
- 100
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Meta tags
- Title
- Universiteit Utrecht | Sharing science, shaping tomorrow
- Description
- De Universiteit Utrecht is een internationaal vooraanstaande onderzoeksuniversiteit waar studenten en onderzoekers samen werken aan een betere wereld.
- Canonical
- https://www.uu.nl/
- Language
- nl
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0
- Robots meta
- Manifest
- https://www.uu.nl/themes/custom/corp/src/images/favicons/site.webmanifest
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
- Hellenic Academic and Research Institutions CA
- Subject
- uu.nl
- Valid from
- Jul 22, 2026
- Valid to
- Feb 6, 2027
- Days until expiry
- 191
- SAN domains
- uu.nl, www.uu.nl
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyEnabled
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 7 · H3 11
Links
42 internal · 13 external · 20 broken
Images
6 total · 0 missing alt
Scripts / Styles
7 scripts · 1 stylesheets
JS / CSS size
1.8 KB · 2.8 KB
Page size
38.0 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://uu.nl
- Final URL
- https://www.uu.nl/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 253 ms
- HTML size
- 38.0 KB
- Redirect chain
- https://uu.nl → https://www.uu.nl/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does uu.nl use?
- uu.nl is built with Drupal, jQuery, Apache.
- Is uu.nl secure (HTTPS)?
- Yes. uu.nl uses TLS 1.3 with a certificate issued by Hellenic Academic and Research Institutions CA, valid until Feb 6, 2027.
- Who hosts uu.nl?
- Hosting provider information for uu.nl is not available yet.
- What is uu.nl's SEO score?
- uu.nl scored 80/100 for SEO in the latest analysis (great).
- What is uu.nl's overall website score?
- uu.nl has an overall SiteGraph score of 92/100, combining SEO, performance, security, and accessibility.
- Has uu.nl's score changed over time?
- uu.nl's overall score has improved by 2 points (from 90 to 92) since Jul 21, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card