What powers taxsys.nl?
Last seen Oct 2026 · 3 technologies across 3 categories
Programming languages
PHP
since Aug 2022
Security
HSTS
since Sep 2022
Web servers
Apache HTTP Server
since Aug 2022
AI Crawlers
Blocks all crawlers by default in robots.txt (User-agent: *). Checked Nov 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
All crawlers blocked
Audience
- 91% phone
- 7% desktop
- 3% tablet
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.48 / 10 · ranked #913,417 of all domains
20 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 275 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 0.1 MB · 4 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on SEWAN-NL Sewan Nederland B.V. (109.235.37.230)
- DNS: dnstools.nl
- Email: taxsys.nl
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Sectigo, RSA 2048, wildcard, expires Jan 2027
- Common Crawl link graph: rank 17,740,929, 6 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| boeken.taxsys.nl | 3 |
| boeken2.taxsys.nl | 3 |
| boeken5.taxsys.nl | 3 |
| ctt.taxsys.nl | 3 |
| portaal.taxsys.nl | 3 |
| boeken1.taxsys.nl | 2 |