What powers theorieles.nl?

Last seen Oct 2026 · 13 technologies across 13 categories

Advertising

Google AdSense
since Apr 2026

Caching

Varnish
since Jan 2019

CDN

jQuery CDN
since Apr 2026

Cookie compliance

Funding Choices
since Apr 2026

Font scripts

Google Font API
since Apr 2026

Hosting

One.com
since Aug 2022

JavaScript libraries

jQuery v3.2.1
since Jan 2019

Miscellaneous

Open Graph
since Apr 2026

Performance

Priority Hints
since Sep 2026

Programming languages

PHP v8.2.34
since Jan 2019

Security

reCAPTCHA
since Apr 2026

UI frameworks

Bootstrap v4.0.0
since Apr 2026

Web servers

Apache HTTP Server
since Jan 2019

AI Crawlers

Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 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

  • 51% phone
  • 49% desktop
  • Netherlands

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

Open Page Rank

2.56 / 10 · ranked #2,397,012 of all domains

16 referring domains · OpenPageRank

Core Web Vitals

LCP0.9 s
INP100 ms
CLS0
TTFB100 ms

Real user p75, Chrome UX Report, Sep 2026.

Page

  • Language: Dutch
  • Weight: 0.6 MB · 45 requests
  • Structured data: JSON-LD, OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Oct 2026.

Organisation

  • Theorieles.nl

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

Infrastructure

  • Hosted on one.com (46.30.215.30, IPv6)
  • DNS: one.com
  • Email: one.com
  • Email security: no SPF record, no DMARC record, DNSSEC signed
  • SSL: Let's Encrypt, ECDSA P256, wildcard, expires Dec 2026
  • Common Crawl link graph: rank 17,336,199, 2 hosts
  • Verified with: Google

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

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