Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 192.87.108.15 |
| Server Software | nginx |
| CDN | Fastly |
|
ℹ 🔵 No Compression | The server does not use Gzip or Brotli. Enable compression to reduce bandwidth usage. |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 192.87.108.15
Server Software nginx
CDN Fastly
ℹ 🔵 No Compression The server does not use Gzip or Brotli. Enable compression to reduce bandwidth usage.
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://surf.nl:443 | 301 | HTTP/2 301 |
| 2 | https://www.surf.nl/ | 200 | HTTP/2 200 |
#1 URL https://surf.nl:443
HTTP Status Code 301
Status HTTP/2 301
#2 URL https://www.surf.nl/
HTTP Status Code 200
Status HTTP/2 200
Performance
| DNS Lookup | 40.1 ms |
| TCP Connect | 54.2 ms |
| TLS Handshake | 20.5 ms |
| Time To First Byte (TTFB) | 118.8 ms |
| Content Download | 96.9 ms |
| Total Response Time | 215.7 ms |
DNS Lookup 40.1 ms
TCP Connect 54.2 ms
TLS Handshake 20.5 ms
Time To First Byte (TTFB) 118.8 ms
Content Download 96.9 ms
Total Response Time 215.7 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=31536000 |
| CSP | ✔ Configured |
| X-Frame-Options | ✔ SAMEORIGIN |
| X-Content-Type-Options | ✔ nosniff |
| Referrer Policy | same-origin |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=31536000
CSP ✔ Configured
X-Frame-Options ✔ SAMEORIGIN
X-Content-Type-Options ✔ nosniff
Referrer Policy same-origin
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | SURF is de ict-coöperatie van onderwijs en onderzoek | SURF.nl |
| Meta 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/ |
| Open Graph Title | Homepagina |
| Open Graph Description | Samen aanjagen van vernieuwing |
| Open Graph Image | https://www.surf.nl/files/styles/social_media/public/2019... |
| Twitter Card | summary_large_image |
| Twitter Description | Samen aanjagen van vernieuwing |
| Twitter Image | https://www.surf.nl/files/styles/social_media/public/2019... |
Title SURF is de ict-coöperatie van onderwijs en onderzoek | SURF.nl Meta 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/ Open Graph Title Homepagina Open Graph Description Samen aanjagen van vernieuwing Open Graph Image https://www.surf.nl/files/styles/social_media/public/2019... Twitter Card summary_large_image Twitter Description Samen aanjagen van vernieuwing Twitter Image https://www.surf.nl/files/styles/social_media/public/2019... Detected Technologies
| Technology | Drupal jQuery Google Analytics Nginx PHP |
Technology Drupal jQuery Google Analytics Nginx PHP
HTTP Headers
| Server
| nginx |
| Date
| Tue, 21 Jul 2026 15:27:22 GMT |
| Content-type
| text/html; charset=UTF-8 |
| Content-length
| 270328 |
| Cache-control
| max-age=3600, public |
| X-drupal-dynamic-cache
| MISS |
| Content-language
| nl |
| X-content-type-options
| nosniff |
| X-frame-options
| SAMEORIGIN |
| Expires
| Sun, 19 Nov 1978 05:00:00 GMT |
| Vary
| Cookie |
| Content-security-policy
| default-src 'self'; script-src 'self' webstats.surf.nl *.mailplus.nl platform.twitter.com syndication.twitter.com cdn.syndication.twimg.com www.instagram.com www.google.com www.gstatic.com surfnl.containers.piwik.pro pretalx.surf.nl feedback.communicatie.surf.nl 'unsafe-inline' 'unsafe-eval' https://app.vwo.com https://d5phz18u4wuww.cloudfront.net/vis_opt.js https://dev.visualwebsiteoptimizer.com https://eu.frcapi.co; style-src 'self' 'unsafe-inline' static.mailplus.nl fonts.googleapis.com use.typekit.net p.typekit.net platform.twitter.com surfnl.containers.piwik.pro surfnl.piwik.pro https://app.vwo.com https://dev.visualwebsiteoptimizer.com https://eu.frcapi.com/; img-src http: https: surfnl.containers.piwik.pro surfnl.piwik.pro data:;; frame-src 'self' *.surf.nl openonderwijsapi.nl www.surfspace.nl surfspace.nl www.slideshare.net player.vimeo.com www.youtube.com www.youtube-nocookie.com surf.mediamission.nl platform.twitter.com syndication.twitter.com www.instagram.com www.facebook.com www.linkedin.com www.google.com https://surf.apnd.me/OWD23/program https://surf.apnd.me/ACUD23/program https://app.vwo.com *.edu.nl https://eu.frcapi.com/; child-src 'self' surf.mediamission.nl www.slideshare.net player.vimeo.com www.youtube.com www.youtube-nocookie.com surf.mediamission.nl platform.twitter.com syndication.twitter.com www.instagram.com www.facebook.com www.linkedin.com https://app.vwo.com; font-src 'self' fonts.gstatic.com surfnl.containers.piwik.pro surfnl.piwik.pro data:; connect-src 'self' surfnl.piwik.pro webstats.surf.nl surfnl.containers.piwik.pro surfnl.piwik.pro pretalx.surf.nl *.surf.nl https://app.vwo.com https://dev.visualwebsiteoptimizer.com https://eu.frcapi.com/; report-uri /report-csp-violation; upgrade-insecure-requests |
| X-xss-protection
| 1; mode=block |
| Referrer-policy
| same-origin |
| X-drupal-cache
| HIT |
| X-served-by
| prod-utr |
| Last-modified
| Tue, 21 Jul 2026 11:45:18 GMT |
| Etag
| "1784634318" |
| Strict-transport-security
| max-age=31536000 |
Meta Tags
| 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. |
| Msapplication-config | /themes/surf/favicons/browserconfig.xml |
| Generator | Drupal 10 (https://www.drupal.org) |
| MobileOptimized | width |
| HandheldFriendly | true |
| Viewport | width=device-width, initial-scale=1.0 |
Server nginx
Date Tue, 21 Jul 2026 15:27:22 GMT
Content-type text/html; charset=UTF-8
Content-length 270328
Cache-control max-age=3600, public
X-drupal-dynamic-cache MISS
Content-language nl
X-content-type-options nosniff
X-frame-options SAMEORIGIN
Expires Sun, 19 Nov 1978 05:00:00 GMT
Vary Cookie
Content-security-policy default-src 'self'; script-src 'self' webstats.surf.nl *.mailplus.nl platform.twitter.com syndication.twitter.com cdn.syndication.twimg.com www.instagram.com www.google.com www.gstatic.com surfnl.containers.piwik.pro pretalx.surf.nl feedback.communicatie.surf.nl 'unsafe-inline' 'unsafe-eval' https://app.vwo.com https://d5phz18u4wuww.cloudfront.net/vis_opt.js https://dev.visualwebsiteoptimizer.com https://eu.frcapi.co; style-src 'self' 'unsafe-inline' static.mailplus.nl fonts.googleapis.com use.typekit.net p.typekit.net platform.twitter.com surfnl.containers.piwik.pro surfnl.piwik.pro https://app.vwo.com https://dev.visualwebsiteoptimizer.com https://eu.frcapi.com/; img-src http: https: surfnl.containers.piwik.pro surfnl.piwik.pro data:;; frame-src 'self' *.surf.nl openonderwijsapi.nl www.surfspace.nl surfspace.nl www.slideshare.net player.vimeo.com www.youtube.com www.youtube-nocookie.com surf.mediamission.nl platform.twitter.com syndication.twitter.com www.instagram.com www.facebook.com www.linkedin.com www.google.com https://surf.apnd.me/OWD23/program https://surf.apnd.me/ACUD23/program https://app.vwo.com *.edu.nl https://eu.frcapi.com/; child-src 'self' surf.mediamission.nl www.slideshare.net player.vimeo.com www.youtube.com www.youtube-nocookie.com surf.mediamission.nl platform.twitter.com syndication.twitter.com www.instagram.com www.facebook.com www.linkedin.com https://app.vwo.com; font-src 'self' fonts.gstatic.com surfnl.containers.piwik.pro surfnl.piwik.pro data:; connect-src 'self' surfnl.piwik.pro webstats.surf.nl surfnl.containers.piwik.pro surfnl.piwik.pro pretalx.surf.nl *.surf.nl https://app.vwo.com https://dev.visualwebsiteoptimizer.com https://eu.frcapi.com/; report-uri /report-csp-violation; upgrade-insecure-requests
X-xss-protection 1; mode=block
Referrer-policy same-origin
X-drupal-cache HIT
X-served-by prod-utr
Last-modified Tue, 21 Jul 2026 11:45:18 GMT
Etag "1784634318"
Strict-transport-security max-age=31536000
