What powers 
sgrz.nl?
Last seen Sep 2026 · 30 technologies across 20 categories
Advertising
Analytics
CMS
Cookie compliance
Databases
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
Mobile frameworks
Page builders
Performance
Programming languages
Security
SEO
Tag managers
UI frameworks
Webmail
Widgets
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
- 56% desktop
- 44% phone
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.73 / 10 · ranked #292,243 of all domains
73 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.8 s |
| CLS | 0 |
| TTFB | 2700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Dutch (Netherlands)
- Weight: 2.9 MB · 61 requests
- WordPress theme: harborn · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- SGRZ
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Amazon Web Services (18.202.161.155, IPv6)
- DNS: openprovider.nl
- Email: Microsoft 365
- Email security: no SPF record, no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 15,661,998, 2 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
- detected AOS Sep 2026
- detected Cookiebot Sep 2026
- detected Google Font API Sep 2026
- detected Google Tag Manager Sep 2026
- detected Microsoft Advertising Sep 2026
- detected Polylang Sep 2026
- detected Priority Hints Sep 2026
- detected PWA Sep 2026
- detected RankMath SEO Sep 2026
- detected Swiper Sep 2026
- detected WordPress Block Editor Sep 2026
- detected WordPress Super Cache Sep 2026
- detected Twitter Emoji (Twemoji) Aug 2026