What powers jck.nl?
Last seen Jun 2026 · 41 technologies across 19 categories
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Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| jewish amsterdam | #1 | 2,000 |
| amsterdam jews | #6 | 220 |
| portuguese synagogue amsterdam | #1 | 220 |
| holocaust museum | #21 | 160 |
| charlotte salomon | #4 | 58 |
| jewish quarter amsterdam | #1 | 44 |
| amsterdam holocaust museum tickets | #1 | 43 |
| national holocaust museum amsterdam tickets | #1 | 43 |
| portugese synagoge | #1 | 43 |
| jewish amsterdam | #13 | 39 |
| goor | #10 | 33 |
| hollandsche schouwburg | #1 | 32 |
| beverwijk | #5 | 18 |
| doetinchem | #5 | 18 |
| amsterdam jewish community | #3 | 17 |
| jewish amsterdam | #33 | 14 |
| charlotte salomon art | #1 | 12 |
| jewish museum amsterdam | #1 | 12 |
| joods historisch museum tickets | #1 | 12 |
| kampen | #8 | 12 |
| holocaust museum netherlands | #1 | 12 |
| dutch museum amsterdam | #17 | 12 |
| ets haim library | #1 | 12 |
| bergen op zoom | #9 | 11 |
| assen | #10 | 11 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
Audience
- 63% phone
- 34% desktop
- 3% tablet
Netherlands
Germany
United Kingdom
France
Spain
Belgium
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
7.02 / 10 · ranked #43,946 of all domains
469 referring domains · OpenPageRank
Search traffic
3,500 est. monthly organic visits (US)
433 keywords in Google's top 30
Core Web Vitals
| LCP | 1.6 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Dutch
- Weight: 2.2 MB · 84 requests
- Structured data: JSON-LD, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.jck.nl | 20 |
| ticket.jck.nl | 18 |
| charlotte.jck.nl | 13 |
| jck.nl | 12 |
| collections.jck.nl | 9 |
| data.jck.nl | 9 |
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Recent changes
- detected Apple iCloud Mail Apr 2026
- dropped Font Awesome Mar 2026
- dropped jQuery CDN Mar 2026
- dropped Ubuntu Mar 2026