What powers gewis.nl?
Last seen Aug 2026 · 24 technologies across 12 categories
Analytics
Matomo Analytics
since Jul 2021
CDN
Cloudflare
since Jan 2023
Font scripts
Google Font API
since Jan 2019
JavaScript frameworks
JavaScript libraries
Miscellaneous
Operating systems
Debian
since Jan 2019
Programming languages
Security
HSTS
since Sep 2022
UI frameworks
Web servers
Webmail
Microsoft 365
since Aug 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 60% phone
- 40% desktop
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.29 / 10 · ranked #1,137,850 of all domains
14 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 0.8 MB · 26 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on AS-TUE Technische Universiteit Eindhoven TUe (131.155.10.135)
- DNS: Cloudflare DNS
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record, DNSSEC signed, CAA
- SSL: Let's Encrypt, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 8,539,954, 6 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| sudosos.gewis.nl | 11 |
| join.gewis.nl | 9 |
| gewis.nl | 8 |
| symposium.gewis.nl | 7 |
| www.gewis.nl | 6 |
| intro.gewis.nl | 4 |