What powers nummerchecken.nl?
Last seen Aug 2026 · 20 technologies across 8 categories
Advertising
Adform
since Aug 2026
AppNexus
since Aug 2026
Criteo
since Aug 2026
Google Publisher Tag
since Aug 2026
ID5
since Aug 2026
PubMatic
since Aug 2026
Sharethrough
since Aug 2026
Smart Ad Server
since Aug 2026
Analytics
Cloudflare Browser Insights
since Mar 2026
Google Analytics
since Mar 2026
Snowplow Analytics
since Aug 2026
CDN
Cloudflare
since Mar 2026
Miscellaneous
HTTP/3
since Mar 2026
Open Graph
since Mar 2026
Performance
Priority Hints
since Mar 2026
Security
Segmentation
Adobe Audience Manager
since Aug 2026
Tag managers
Google Tag Manager
since Aug 2026
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Aug 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 73% phone
- 26% desktop
Netherlands
Belgium
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.45 / 10 · ranked #29,610,654 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Dutch (Netherlands)
- CDN: Cloudflare
- Weight: 2.2 MB · 1,210 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Aug 2026.
Full technology history →
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Recent changes
- detected Adform Aug 2026
- detected Adobe Audience Manager Aug 2026
- detected AppNexus Aug 2026
- detected Cloudflare Bot Management Aug 2026
- detected Criteo Aug 2026
- detected Google Publisher Tag Aug 2026
- detected Google Tag Manager Aug 2026
- detected ID5 Aug 2026
- detected PubMatic Aug 2026
- detected reCAPTCHA Aug 2026
- detected Sharethrough Aug 2026
- detected Smart Ad Server Aug 2026
- detected Snowplow Analytics Aug 2026