What powers sylvestercross.nl?
Last seen Feb 2026 · 10 technologies across 7 categories
Analytics
Matomo Analytics
since Dec 2021
Font scripts
Google Font API
since Jan 2019
JavaScript libraries
Miscellaneous
Open Graph
since Nov 2022
PWA
since Nov 2022
Programming languages
PHP
since Dec 2021
Security
HSTS
since Nov 2022
Web servers
Apache HTTP Server
since Jan 2019
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.09 / 10 · ranked #1,443,240 of all domains
21 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Dutch (Netherlands)
- Weight: 28.0 MB · 46 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on TUXIS (31.3.109.22)
- Email: reto.nl
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Trust Provider B.V., ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 19,085,181, 2 hosts
- Verified with: Brevo, Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| sylvestercross.nl | 10 |
| www.sylvestercross.nl | 9 |