What powers 
online-bouwmaterialen.nl?
Last seen Oct 2026 · 12 technologies across 8 categories
Analytics
CDN
Ecommerce
JavaScript libraries
Miscellaneous
Performance
Security
Webmail
AI Crawlers
Blocks 3 of 33 AI crawlers we track by name in its robots.txt. Checked Nov 2026.
Training crawlers
- Bytespider Blocked
- Diffbot Blocked
Search and AI assistants
- PetalBot Blocked
The other 30 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
- Sep 2026 amazonbot removed from robots.txt
AI Crawlers
3 of 33 AI crawlers blocked
Audience
- 77% phone
- 20% desktop
- 3% tablet
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.79 / 10 · ranked #722,296 of all domains
75 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Dutch
- CDN: Cloudflare
- Weight: 0.8 MB · 207 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Cloudflare (172.66.41.34)
- DNS: Cloudflare DNS
- Email: mx.microsoft
- Email security: SPF (hard fail), DMARC reject, DNSSEC signed, MTA-STS, BIMI
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 13,844,185, 4 hosts
- Verified with: Apple Business, Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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