What powers koningsoptiek.nl?
Last seen Sep 2026 · 31 technologies across 11 categories
Analytics
CMS
Databases
MySQL
since Jan 2019
PostgreSQL
since Aug 2023
Font scripts
JavaScript libraries
Miscellaneous
Programming languages
Web servers
Nginx
since Aug 2023
Webmail
Microsoft 365
since Aug 2022
Widgets
WordPress plugins
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 found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.49 / 10 · ranked #6,623,805 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Dutch (Netherlands)
- Weight: 4.9 MB · 27 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on TransIP (86.105.244.1)
- Email: no MX record returned, SPF names Microsoft 365
- Email security: SPF (hard fail), DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 36,578,476, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| koningsoptiek.nl | 31 |
| www.koningsoptiek.nl | 10 |