What powers 
zgem.nl?
Last seen Sep 2026 · 23 technologies across 13 categories
Analytics
CDN
CMS
Databases
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
Programming languages
Security
UI frameworks
Webmail
WordPress plugins
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 77% phone
- 23% desktop
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.79 / 10 · ranked #721,273 of all domains
39 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Dutch (Netherlands)
- CDN: Cloudflare
- Weight: 8.7 MB · 74 requests
- WordPress theme: bb-theme (child: bb-theme-child) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- ZGEM
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Cloudflare (162.159.136.54, IPv6)
- DNS: sectigoweb.com
- Email: Microsoft 365
- Email security: SPF (soft fail), DMARC monitor only, DNSSEC signed
- SSL: Google Trust Services, ECDSA P256, expires Jan 2027
- Common Crawl link graph: rank 25,942,861, 3 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Cloudways Aug 2026
- dropped GTranslate Aug 2026
- dropped jQuery UI Aug 2026
- dropped PWA Aug 2026
- dropped Yoast SEO Aug 2026
- dropped YUI Aug 2026
- detected Bootstrap Jul 2026
- detected Google Font API Jul 2026
- detected GSAP Jul 2026
- detected HSTS Jul 2026
- detected Ivory Search Jul 2026
- detected jsDelivr Jul 2026
- detected RankMath SEO Jul 2026
- detected Swiper Jul 2026
- detected Cloudways Jun 2026
- dropped Nginx Jun 2026
- detected Animate.css May 2026
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped Cloudways May 2026
- detected GTranslate May 2026
- detected HTTP/3 May 2026
- detected Cloudways Mar 2026
- detected Twitter Emoji (Twemoji) Dec 2025
- dropped Cloudways Nov 2025