What powers 
spks.nl?
Last seen Aug 2026 · 29 technologies across 20 categories
Advertising
Analytics
CMS
Cookie compliance
Databases
Font scripts
Hosting panels
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Miscellaneous
Page builders
Performance
Programming languages
Security
Tag managers
UI frameworks
Webmail
WordPress plugins
WordPress themes
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
- 100% phone
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.02 / 10 · ranked #555,185 of all domains
50 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| CLS | 0 |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Dutch (Netherlands)
- Weight: 2.2 MB · 73 requests
- WordPress theme: kadence (child: kadence-child) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- SPKS
- Industry: Healthcare (declares
MedicalOrganization) - Profiles: Facebook, Instagram, LinkedIn, YouTube
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on CYSO-AS (109.235.75.114)
- DNS: sqr.nl
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 8,830,970, 2 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- dropped Nginx Aug 2026
- dropped Google Font API Jul 2026
- detected GSAP Jul 2026
- dropped HashThemes Total Jul 2026
- detected HTTP/3 Jul 2026
- dropped RSS Jul 2026
- dropped WooCommerce Jul 2026
- dropped YouTube Jul 2026
- detected Chart.js Jun 2026
- detected Kadence WP Blocks Jun 2026
- detected Kadence WP Kadence Jun 2026
- detected Moment.js Jun 2026
- detected Splide Jun 2026
- detected Twitter Emoji (Twemoji) Jun 2026
- detected WordPress Block Editor Jun 2026
- detected ZURB Foundation Jun 2026
- dropped Cart Functionality Nov 2025