What powers pruefpunkt.org?

Last seen Sep 2026 · 20 technologies across 14 categories

Analytics

Plausible
since Feb 2026

CDN

Bunny
since Feb 2026

CMS

WordPress v7.1
since Feb 2026

Databases

MySQL
since Feb 2026

JavaScript libraries

jQuery v3.7.1
since Feb 2026
jQuery Migrate v3.4.1
since Feb 2026
Underscore.js v1.13.8
since Feb 2026

Miscellaneous

Open Graph
since Feb 2026
RSS
since Feb 2026

Mobile frameworks

jQuery Mobile v5.9.0
since Feb 2026

Performance

Priority Hints
since Feb 2026

Programming languages

PHP
since Feb 2026

Search engines

Algolia v4.18.0
since Feb 2026

UI frameworks

Bootstrap
since Feb 2026

Video players

MediaElement.js v4.2.17
since Feb 2026

Webmail

Proton Mail
since Feb 2026

WordPress plugins

Complianz v7.5.5
since Feb 2026
Divi v5.9.0
since Feb 2026
EmbedPlus v14.2.6.1
since Feb 2026
Yoast SEO v28.4
since Feb 2026

AI Crawlers

Blocks 1 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.

Training crawlers

  • ClaudeBot Blocked

The other 32 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.

See who blocks each AI crawler across the web

AI Crawlers

1 of 33 AI crawlers blocked

Standards: llms.txt

Full breakdown

Audience

  • Germany

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

Open Page Rank

0.98 / 10 · ranked #13,016,034 of all domains

4 referring domains · OpenPageRank

Core Web Vitals

LCP1.2 s
INP50 ms
CLS0
TTFB200 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: German
  • CDN: BunnyCDN
  • Weight: 4.2 MB · 75 requests
  • WordPress theme: divi · 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 CDN77 (138.199.40.58, IPv6)
  • DNS: bunny.net
  • Email: no MX record returned, SPF names Proton Mail
  • Email security: SPF (soft fail), DMARC quarantine
  • SSL: Let's Encrypt, ECDSA P256, expires Nov 2026
  • Common Crawl link graph: rank 12,113,955
  • Verified with: Google, Microsoft 365, Proton

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

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