What powers erfgoedstem.nl?

Last seen Aug 2026 · 28 technologies across 16 categories

Analytics

Google Analytics
since Jan 2019

Caching

Redis Object Cache
since Oct 2021
WordPress Super Cache
since Nov 2021

CMS

WordPress v7.0.3
since Jan 2019

Databases

MySQL
since Jan 2019
Redis
since Oct 2021

Font scripts

Google Font API
since Jan 2019
Twitter Emoji (Twemoji)
since Jul 2020

JavaScript frameworks

GSAP v3.6.0
since Oct 2021

JavaScript libraries

core-js v3.48.0
since Sep 2021
jQuery v3.7.1
since Jan 2019
jQuery Migrate v3.4.1
since Jan 2019
jQuery UI v1.13.3
since Jan 2019
Tippy.js
since Sep 2022

Miscellaneous

Open Graph
since Sep 2022
Popper
since Sep 2022
RSS
since Dec 2022

Performance

Priority Hints
since Nov 2023

Programming languages

PHP
since Jan 2019

Security

reCAPTCHA
since May 2026

Tag managers

Google Tag Manager
since Feb 2021

Video players

YouTube
since Oct 2021

Web servers

Nginx
since Jan 2019

Webmail

Microsoft 365
since Feb 2023

WordPress plugins

Cookie Notice v3.1.4
since Feb 2022
Gravity Forms v3.0.2
since Aug 2022
Site Kit v1.184.0
since Jun 2022
Yoast SEO v28.2
since Jul 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.

See who blocks each AI crawler across the web

Top search keywords

KeywordPositionEst. monthly visits
molenmuseum #47 1
bloedstraat #28 0
chateau marquette heemskerk #34 0
chateau marquette #47 0
vacature efteling #45 0
voormalige hofkapel #96 0
voormalige hofkapel #18 0
archweb #52 0
archweb #48 0
archweb #42 0
archweb #36 0
stadsherstel amsterdam #17 0
amersfoort kamp #62 0
pieter verhoeven #62 0
plaskrul #38 0
prijs #70 0
kamp amersfoort #57 0
kootwijk radio #43 0
metaal kathedraal #66 0
metaal kathedraal #46 0
het scheepvaartmuseum amsterdam #81 0
frederikkazerne #49 0

The site's top keywords in Google (US), with the visits each one is estimated to bring per month.

Top backlinks

Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.

AI Crawlers

No AI crawlers blocked

Standards: llms.txt

Full breakdown

Audience

  • 57% phone
  • 40% desktop
  • 4% tablet
  • Netherlands
  • Belgium

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

Open Page Rank

5.31 / 10 · ranked #195,183 of all domains

101 referring domains · OpenPageRank

Search traffic

1 est. monthly organic visits (US)

22 keywords in Google's top 30

Core Web Vitals

LCP1.3 s
INP50 ms
CLS0
TTFB600 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: Dutch (Netherlands)
  • Weight: 3.0 MB · 105 requests
  • WordPress theme: zeen (child: zeen-child) · all themes
  • Structured data: JSON-LD, OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Sep 2026.

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