What powers 
lsuitgeverij.nl?
Last seen Sep 2026 · 15 technologies across 13 categories
Caching
CMS
Databases
Font scripts
Miscellaneous
Performance
Programming languages
Security
Tag managers
UI frameworks
Web servers
Webmail
WordPress plugins
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 67% phone
- 25% desktop
- 9% tablet
Netherlands
Belgium
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.21 / 10 · ranked #451,974 of all domains
62 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Dutch (Netherlands)
- Weight: 0.5 MB · 14 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Luitingh-Sijthoff
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on ACNBB (213.214.122.74)
- DNS: combell.eu
- Email: Microsoft 365
- Email security: no SPF record, no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 862,698
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Tailwind CSS Aug 2026
- dropped Typekit Aug 2026
- dropped Font Awesome Apr 2026
- dropped jQuery Apr 2026
- dropped Slick Apr 2026
- dropped Smash Balloon Instagram Feed Apr 2026
- detected Font Awesome Feb 2026
- detected jQuery Feb 2026
- detected Slick Feb 2026
- detected Smash Balloon Instagram Feed Feb 2026
- dropped Popup Maker Dec 2025
- dropped WordPress Block Editor Dec 2025
- detected Popup Maker Oct 2025
- detected WordPress Block Editor Oct 2025