What powers tangram-tis.nl?
Last seen Aug 2026 · 5 technologies across 5 categories
Operating systems
Windows Server
since Feb 2019
Security
HSTS
since Sep 2022
Web Frameworks
Microsoft ASP.NET
since Jun 2017
Web Servers
Webmail
Microsoft 365
since Nov 2024
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
- 72% desktop
- 28% phone
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.54 / 10 · ranked #852,894 of all domains
28 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 0.0 MB · 8 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on UNISERVER-AS (178.248.155.111)
- DNS: dn-s.nl
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record, DNSSEC signed
- SSL: Sectigo, RSA 2048, wildcard, expires Nov 2026
- Common Crawl link graph: rank 12,368,068, 2 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted