What powers leidenverlicht.nl?
Last seen Sep 2026 · 37 technologies across 18 categories
Analytics
CMS
Comment systems
Databases
Font scripts
JavaScript frameworks
JavaScript libraries
Maps
Miscellaneous
Page builders
Performance
Programming languages
Security
Tag managers
UI frameworks
Video players
Web servers
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 Oct 2026.
- robots.txt found
- llms.txt found
- llms-full.txt found
- ai.txt not found
- Oct 2026 llms.txt appeared
- Oct 2026 llms-full.txt appeared
AI Crawlers
No AI crawlers blocked
Standards: llms.txt, llms-full.txt
Audience
- 100% phone
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.20 / 10 · ranked #9,894,873 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.9 s |
| CLS | 0 |
Real user p75, Chrome UX Report, Sep 2026.
Infrastructure
- Hosted on Cloudflare (23.227.38.65, IPv6)
- DNS: zxcs.be
- Email: leidenverlicht.nl
- Email security: SPF (soft fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 74,309,868
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- detected reCAPTCHA Feb 2026
- detected Twitter Emoji (Twemoji) Dec 2025