What powers 
fmf.nl?
Last seen Aug 2026 · 11 technologies across 8 categories
Analytics
CDN
cdnjs
since Jan 2024
Cloudflare
since Jan 2023
Font scripts
Google Font API
since Jan 2019
JavaScript libraries
Miscellaneous
PWA
since Jun 2023
Programming languages
Security
HSTS
since Sep 2022
UI frameworks
Bootstrap
since Jan 2024
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
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.66 / 10 · ranked #377,672 of all domains
44 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.8 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 2100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 1.5 MB · 31 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on SURFNET-NL SURFnet, The Netherlands (129.125.36.6)
- DNS: Cloudflare DNS
- Email: N-able SpamExperts
- Email security: SPF (soft fail), DMARC quarantine, DNSSEC signed, CAA, BIMI
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 2,241,416, 43 hosts
- Verified with: 1Password, Google, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| fmf.nl | 7 |
| www.fmf.nl | 7 |
| toetscie.fmf.nl | 5 |
| axioma.fmf.nl | 3 |