surfnet.nl
SURF is de ict-coöperatie van onderwijs en onderzoek | SURF.nl
Last scanned Jul 25, 2026, 4:25 AM · 1 view
Overall score
Excellent
Summary
Meer dan 100 onderwijs- en onderzoeksinstellingen in Nederland werken in de coöperatie SURF samen om de kansen van digitalisering ten volle benutten. This website uses Nginx hosted on SURFNET-NL - SURF B.V., NL. SEO is good (80/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (90/100). Top issue: Title longer than 60 characters.
Meer dan 100 onderwijs- en onderzoeksinstellingen in Nederland werken in de coöperatie SURF samen om de kansen van digitalisering ten volle benutten. Het doel: beter en flexibeler onderwijs en onderzoek.
- Netherlands
- Hosted on SURFNET-NL - SURF B.V., NL
Top issues to fix
3 issues found
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
SEO
3 issue(s) found
Performance
275 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Contact
Email, phone, and address published on this site's own pages.
- voorbeeld@surf.nl
Meta tags
- Title
- SURF is de ict-coöperatie van onderwijs en onderzoek | SURF.nl
- Description
- Meer dan 100 onderwijs- en onderzoeksinstellingen in Nederland werken in de coöperatie SURF samen om de kansen van digitalisering ten volle benutten. Het doel: beter en flexibeler onderwijs en onderzoek.
- Canonical
- https://www.surf.nl/
- Language
- nl
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0
- Robots meta
- Manifest
- https://www.surf.nl/themes/surf/favicons/site.webmanifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- SURFNET-NL - SURF B.V., NL
- CDN provider
- —
- IP address
- 192.87.108.15
- ASN
- AS1103 (SURFNET-NL - SURF B.V., NL)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX |
|
| TXT | — |
| NS |
|
| CAA |
|
| CNAME |
|
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Hellenic Academic and Research Institutions CA
- Subject
- surf.nl
- Valid from
- Jul 22, 2026
- Valid to
- Feb 6, 2027
- Days until expiry
- 196
- SAN domains
- surf.nl, www.surf.nl
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: none · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 9 · H3 11
Links
112 internal · 11 external · 0 broken
Images
12 total · 0 missing alt
Scripts / Styles
13 scripts · 3 stylesheets
JS / CSS size
554 KB · 624 KB
Page size
260 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 22
- sitemap.xml
- Found
- URLs in sitemap
- 1257
SEO issues
- Title longer than 60 characters
- Meta description longer than 160 characters
- No structured data (JSON-LD) found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://surfnet.nl
- Final URL
- https://www.surf.nl
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 270 ms
- HTML size
- 260 KB
- Redirect chain
- https://surfnet.nl → https://www.surf.nl
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does surfnet.nl use?
- surfnet.nl is built with jQuery, Nginx.
- Is surfnet.nl secure (HTTPS)?
- Yes. surfnet.nl uses TLS 1.3 with a certificate issued by Hellenic Academic and Research Institutions CA, valid until Feb 6, 2027.
- Who hosts surfnet.nl?
- surfnet.nl is hosted on SURFNET-NL - SURF B.V., NL.
- What is surfnet.nl's SEO score?
- surfnet.nl scored 80/100 for SEO in the latest analysis (great).
- What is surfnet.nl's overall website score?
- surfnet.nl has an overall SiteGraph score of 92/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card