What powers 
vakbladwarmtepompen.nl?
Last seen Sep 2026 · 32 technologies across 19 categories
A/B Testing
Advertising
Analytics
CDN
Cookie compliance
Issue trackers
JavaScript frameworks
JavaScript libraries
Marketing automation
Miscellaneous
Mobile frameworks
Operating systems
PaaS
Performance
Programming languages
Security
Tag managers
Video players
Web servers
AI Crawlers
Blocks 2 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- Google-Extended Blocked
User-request fetchers
- ChatGPT-User Blocked
The other 31 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Oct 2026 *: Restricted (was Allowed)
AI Crawlers
2 of 33 AI crawlers blocked
Audience
- 56% phone
- 38% desktop
- 6% tablet
Netherlands
Belgium
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.01 / 10 · ranked #562,831 of all domains
58 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.5 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Dutch
- Weight: 1.5 MB · 88 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Amazon Web Services (3.64.135.172)
- DNS: Amazon Route 53
- Email: no MX record returned
- Email security: SPF (hard fail)
- SSL: Amazon Trust Services, RSA 2048, expires Apr 2027
- Common Crawl link graph: rank 11,717,907, 6 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| kennismiddag.vakbladwarmtepompen.nl | 19 |
| digimagazine.vakbladwarmtepompen.nl | 18 |
| www.vakbladwarmtepompen.nl | 16 |
| innovatieroute.vakbladwarmtepompen.nl | 12 |
Full technology history →
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Recent changes
- dropped TikTok Pixel Sep 2026
- dropped Microsoft Clarity Aug 2026
- detected TikTok Pixel Feb 2026
- detected Microsoft Clarity Dec 2025
- dropped reCAPTCHA Dec 2025