What powers expertenportal.com?

Last seen Oct 2026 · 22 technologies across 13 categories

Analytics

Facebook Pixel v2.9.419
since Dec 2022
Google Analytics
since Dec 2022
Hotjar
since Aug 2024

CDN

Unpkg
since Dec 2022

Hosting

ALL-INKL
since Dec 2022

JavaScript frameworks

Alpine.js v3.7.1
since Dec 2022

JavaScript libraries

Axios
since Dec 2022
core-js v3.27.1
since Dec 2022
jQuery v3.7.1
since Dec 2022
Lodash v4.18.1
since Dec 2022
Select2
since Dec 2022

Miscellaneous

Open Graph
since Dec 2022
RSS
since Jul 2026
Webpack
since Dec 2022

Programming languages

PHP
since Dec 2022

Rich text editors

TinyMCE v6
since Jun 2025

Security

HSTS
since Dec 2022

Tag managers

Google Tag Manager
since Dec 2022

UI frameworks

Tailwind CSS
since Jul 2026

Web frameworks

Laravel
since Dec 2022
Livewire
since Dec 2022

Web servers

Nginx
since Mar 2025

AI Crawlers

Restricts 15 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.

Training crawlers

  • Applebot-Extended Restricted
  • CCBot Restricted
  • ClaudeBot Restricted
  • Google-Extended Restricted
  • GPTBot Restricted
  • meta-externalagent Restricted

Search and AI assistants

  • Amazonbot Restricted
  • Claude-SearchBot Restricted
  • DuckAssistBot Restricted
  • OAI-SearchBot Restricted
  • PerplexityBot Restricted

User-request fetchers

  • ChatGPT-User Restricted
  • Claude-User Restricted
  • MistralAI-User Restricted
  • Perplexity-User Restricted

The other 18 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.

  • Oct 2026 oai-searchbot added to robots.txt
  • Oct 2026 claude-user added to robots.txt
  • Oct 2026 claudebot added to robots.txt
  • Oct 2026 claude-searchbot added to robots.txt
  • Oct 2026 amazonbot added to robots.txt
  • Oct 2026 applebot-extended added to robots.txt

See who blocks each AI crawler across the web

AI Crawlers

15 of 33 AI crawlers restricted

Standards: llms.txt, llms-full.txt

Full breakdown

Audience

  • 55% phone
  • 45% desktop
  • Germany
  • Austria

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

Open Page Rank

3.32 / 10 · ranked #1,097,188 of all domains

28 referring domains · OpenPageRank

Core Web Vitals

LCP1.5 s
INP50 ms
CLS0
TTFB700 ms

Real user p75, Chrome UX Report, Sep 2026.

Page

  • Language: German
  • Weight: 18.3 MB · 58 requests
  • Structured data: JSON-LD, OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Oct 2026.

Organisation

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

Infrastructure

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

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