What powers htv-heidenheim.de?

Last seen Sep 2026 · 11 technologies across 9 categories

Analytics

Umami
since May 2026

Font scripts

Font Awesome
since Mar 2020

JavaScript libraries

jQuery v3.4.1
since Mar 2020

Miscellaneous

Popper
since Apr 2022
PWA
since Aug 2022

Programming languages

Ruby
since Mar 2020

Security

HSTS
since Jun 2026

UI frameworks

Bootstrap v4.3.1
since Mar 2020

Web frameworks

Ruby on Rails
since Mar 2020

Web servers

Nginx v1.28.3
since Apr 2019
Phusion Passenger v6.2.0
since Mar 2020

AI Crawlers

Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.

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

See who blocks each AI crawler across the web

AI Crawlers

No AI crawlers blocked

Full breakdown

Audience

  • 100% phone
  • Germany

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

Open Page Rank

3.32 / 10 · ranked #1,100,642 of all domains

29 referring domains · OpenPageRank

Core Web Vitals

LCP1 s
INP75 ms
CLS0
TTFB300 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: German
  • Weight: 0.9 MB · 22 requests
  • Structured data: JSON-LD

Homepage as crawled by the HTTP Archive, Sep 2026.

Organisation

  • Geschäftsstelle des htv (Heidenheimer Tarifverbund on Wikidata)
  • Country: Germany

From the homepage's own structured data (Sep 2026) and Wikidata (CC0).

Infrastructure

  • Hosted on Hetzner (136.243.116.39)
  • DNS: ns14.net
  • Email: bluebox-world.net
  • Email security: no SPF record, no DMARC record
  • SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
  • Common Crawl link graph: rank 1,252,862

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

Full technology history →
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Recent changes

  • detected HSTS Jun 2026
  • detected Umami May 2026

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