What powers halder.com?

Last seen Jan 2026 · 18 technologies across 14 categories

Advertising

Microsoft Advertising
since Apr 2025

Analytics

Google Analytics
since Aug 2018

Appointment scheduling

Calendly
since Jul 2023

CDN

Amazon CloudFront
since Feb 2024
Cloudflare
since Apr 2024

Cookie compliance

Usercentrics
since Jul 2023

Ecommerce

Cart Functionality
since Aug 2020

JavaScript libraries

core-js v3.25.5
since Sep 2021
Flickity
since Sep 2022

Marketing automation

HubSpot
since Nov 2022

Miscellaneous

Open Graph
since Sep 2022
PWA
since Feb 2024

PaaS

Amazon Web Services
since Feb 2024

Security

Cloudflare Bot Management
since Apr 2024
HSTS
since Sep 2022

Tag managers

Google Tag Manager
since Mar 2021

Web servers

Apache HTTP Server
since Mar 2021

Webmail

Microsoft 365
since Jan 2026

AI Crawlers

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

Search and AI assistants

  • PetalBot Blocked

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

  • robots.txt found
  • llms.txt not found
  • ai.txt not found

See who blocks each AI crawler across the web

AI Crawlers

1 of 33 AI crawlers blocked

Full breakdown

Audience

  • 54% phone
  • 44% desktop
  • 2% tablet
  • Germany
  • Japan
  • United Kingdom
  • India
  • Italy
  • Sweden

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

Open Page Rank

3.78 / 10 · ranked #722,931 of all domains

60 referring domains · OpenPageRank

Core Web Vitals

LCP2 s
INP75 ms
CLS0
TTFB1400 ms

Real user p75, Chrome UX Report, Aug 2026.

Infrastructure

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

Full technology history →
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