What powers knb-keramiek.nl?
Last seen Aug 2026 · 19 technologies across 8 categories
Analytics
Google Analytics
since Apr 2019
Hotjar
since Jul 2019
CDN
cdnjs
since Nov 2021
Cloudflare
since May 2022
Google Hosted Libraries
since Feb 2022
jQuery CDN
since Feb 2022
Microsoft Ajax Content Delivery Network
since Feb 2022
JavaScript libraries
Maps
Google Maps
since Apr 2019
Miscellaneous
Tag managers
Google Tag Manager
since Jul 2019
Webmail
Microsoft 365
since Aug 2022
Widgets
AddThis
since Apr 2019
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 Sep 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
4.03 / 10 · ranked #548,685 of all domains
54 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Dutch
- Weight: 19.8 MB · 74 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on NL-BIT BIT BV (213.136.4.209, IPv6)
- DNS: introweb.nl
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, RSA 3072, expires Oct 2026
- Common Crawl link graph: rank 1,342,303, 2 hosts
- Verified with: Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted