What powers koperenknop.nl?

Last seen Sep 2026 · 23 technologies across 14 categories

Analytics

Google Analytics
since Dec 2021

CMS

WordPress
since Dec 2021

Databases

MySQL
since Dec 2021

Font scripts

Google Font API
since Dec 2021

JavaScript libraries

FancyBox v3.5.7
since Dec 2021
jQuery v3.7.1
since Dec 2021
jQuery Migrate v3.4.1
since Dec 2021
LazySizes
since Aug 2022
Lightbox
since May 2023
Underscore.js v1.13.8
since May 2023

Miscellaneous

Open Graph
since Sep 2022

Page builders

WordPress Block Editor
since Sep 2025
wpBakery
since Aug 2022

Performance

Priority Hints
since Feb 2026

Programming languages

PHP
since Dec 2021

Tag managers

Google Tag Manager
since Dec 2021

UI frameworks

Animate.css
since May 2023

Web servers

Nginx
since Dec 2021

Webmail

Microsoft 365
since Aug 2022

WordPress plugins

Complianz v7.6.5
since Oct 2023
EmbedPlus
since Aug 2022
Rich Plugins Reviews
since Jun 2025
Yoast SEO v28.4
since Dec 2021

AI Crawlers

robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.

  • robots.txt not checked
  • llms.txt not checked
  • ai.txt not checked

See who blocks each AI crawler across the web

AI Crawlers

Policy unknown

Full breakdown

Audience

  • 100% phone
  • Netherlands

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

Open Page Rank

3.29 / 10 · ranked #1,144,061 of all domains

26 referring domains · OpenPageRank

Core Web Vitals

LCP1.2 s
CLS0.05
TTFB400 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: Dutch (Netherlands)
  • CDN: Google
  • Weight: 1.2 MB · 76 requests
  • WordPress theme: jupiter (child: koperenknop) · all themes
  • Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Sep 2026.

Organisation

  • Museum De Koperen Knop
  • Country: Netherlands

From Wikidata (CC0).

Infrastructure

  • Hosted on Google (35.214.163.141)
  • DNS: yourhosting.eu
  • Email: Microsoft 365
  • Email security: SPF (soft fail), no DMARC record, DNSSEC signed
  • SSL: Let's Encrypt, RSA 2048, expires Oct 2026
  • Common Crawl link graph: rank 944,619, 2 hosts
  • Verified with: Microsoft 365

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

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