What powers szh.nl?

Last seen Aug 2026 · 21 technologies across 14 categories

Analytics

Google Analytics
since Jan 2019

CMS

WordPress
since Jan 2019

Databases

MySQL
since Jan 2019

Font scripts

Google Font API
since Jan 2019

JavaScript frameworks

Backbone.js v1.6.1
since Nov 2019

JavaScript libraries

jQuery v3.7.1
since Jan 2019
jQuery Migrate v3.4.1
since Jan 2019
LazySizes
since Feb 2022
Lodash v1.13.8
since Jun 2021
Underscore.js
since Nov 2019

Miscellaneous

Open Graph
since Sep 2022
PWA
since Aug 2022
RSS
since Dec 2022

Programming languages

PHP
since Jan 2019

SEO

Yoast SEO
since Jan 2019

Tag managers

Google Tag Manager
since Dec 2021

Video players

YouTube
since Jul 2022

Web servers

Apache HTTP Server
since Jan 2019

Webmail

Microsoft 365
since Aug 2022

WordPress plugins

Autoptimize v3.1.15.1
since Feb 2022
Complianz v7.6.2
since Nov 2021

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

See who blocks each AI crawler across the web

AI Crawlers

No AI crawlers blocked

Full breakdown

Audience

  • 70% phone
  • 30% desktop
  • Netherlands
  • Belgium

Where the site's Chrome visitors come from, largest estimated audience first.

Open Page Rank

4.52 / 10 · ranked #398,892 of all domains

50 referring domains · OpenPageRank

Core Web Vitals

LCP2.8 s
INP75 ms
CLS0
TTFB2300 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: Dutch (Netherlands)
  • Weight: 2.4 MB · 28 requests
  • WordPress theme: stichtingzeldzamehuisdieren · all themes
  • Structured data: JSON-LD, OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Sep 2026.

Organisation

From the homepage's own structured data (Sep 2026).

Infrastructure

  • Hosted on NEDERLANDNET-AS (83.137.17.138, IPv6)
  • DNS: oxilion.nl
  • Email: Microsoft 365
  • Email security: SPF (hard fail), DMARC monitor only, DNSSEC signed, MTA-STS, BIMI
  • SSL: Let's Encrypt, RSA 4096, expires Dec 2026
  • Common Crawl link graph: rank 791,981, 3 hosts

DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted

Full technology history →
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