What powers karsu.nl?
Last seen Aug 2026 · 34 technologies across 18 categories
Analytics
CMS
Cookie compliance
Databases
Ecommerce
Font scripts
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Miscellaneous
Payment processors
Photo galleries
Programming languages
Tag managers
UI frameworks
Web servers
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 Aug 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
3.04 / 10 · ranked #1,527,520 of all domains
26 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.8 s |
| INP | 75 ms |
| CLS | 0.1 |
| TTFB | 1500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Dutch (Netherlands)
- Weight: 2.7 MB · 120 requests
- WordPress theme: salient (child: salient-child) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Karsu
- Profiles: Facebook
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Combell (85.10.159.36, IPv6)
- DNS: TransIP
- Email: transip.email
- Email security: SPF (soft fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, RSA 4096, expires Dec 2026
- Common Crawl link graph: rank 706,244, 2 hosts
- Verified with: Google
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.karsu.nl | 24 |
| karsu.nl | 19 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped BandsInTown Events Widget Jul 2026
- detected FancyBox Jun 2026
- dropped Moment.js Apr 2026
- detected BandsInTown Events Widget Jan 2026
- dropped FancyBox Jan 2026
- dropped Priority Hints Jan 2026
- detected Cart Functionality Dec 2025
- detected Moment.js Dec 2025
- detected Spotify Widgets Dec 2025
- dropped The Events Calendar Dec 2025
- dropped FlexSlider Nov 2025
- dropped jsDelivr Nov 2025