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surf.nl

SURF is de ict-coöperatie van onderwijs en onderzoek | SURF.nl

Last scanned Jul 26, 2026, 5:18 AM

92

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

    SEO

    Shorten the title to under 60 characters so search results don't truncate it.

  • Meta description longer than 160 characters

    SEO

    Trim the meta description to under 160 characters to avoid truncation in search results.

  • No structured data (JSON-LD) found

    SEO

    Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

80

SEO

3 issue(s) found

90

Performance

276 ms

100

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Organization

Company details published in this site's own structured data.

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.

LinkedInYouTube

Contact

Email, phone, and address published on this site's own pages.

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

OpenGraph & Twitter Card

OpenGraph

og:title
Homepagina
og:description
Samen aanjagen van vernieuwing
og:type
homepage
og:url
https://www.surf.nl/home

Twitter Card

twitter:card
summary_large_image
twitter:title
—
twitter:description
Samen aanjagen van vernieuwing

Technologies

Detected frameworks, languages, and tools.

jQueryNginx

Hosting & CDN

CDN provider
—
IP address
192.87.108.15
ASN
AS1103 (SURFNET-NL - SURF B.V., NL)

DNS records

TypeValue
A
  • 192.87.108.15
AAAA
  • 2001:610:508:108:192:87:108:15
MX
  • surf-nl.mail.protection.outlook.com
TXT—
NS
  • ns3.surfnet.nl
  • ns1.zurich.surf.net
  • ns2.surfnet.nl
  • ns1.surfnet.nl
CAA
  • 0 issue "letsencrypt.org"
  • 0 issue "harica.gr"
  • 0 issue "sectigo.com"
CNAME
  • surf.nl
IPv6 supportYes

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
195
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

530 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://surf.nl
Final URL
https://www.surf.nl/
HTTP status
200
HTTP version
HTTP/2
Response time
271 ms
HTML size
260 KB
Redirect chain
https://surf.nl → https://www.surf.nl/

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does surf.nl use?
surf.nl is built with jQuery, Nginx.
Is surf.nl secure (HTTPS)?
Yes. surf.nl uses TLS 1.3 with a certificate issued by Hellenic Academic and Research Institutions CA, valid until Feb 6, 2027.
Who hosts surf.nl?
surf.nl is hosted on SURFNET-NL - SURF B.V., NL.
What is surf.nl's SEO score?
surf.nl scored 80/100 for SEO in the latest analysis (great).
What is surf.nl's overall website score?
surf.nl has an overall SiteGraph score of 92/100, combining SEO, performance, security, and accessibility.