What powers hoteloper-chemnitz.de?

Last seen Sep 2026 · 11 technologies across 9 categories

CMS

Contao
since Aug 2022

Cookie compliance

Klaro
since Aug 2022

JavaScript frameworks

Vue.js
since Aug 2025

JavaScript libraries

core-js v3.6.5
since Aug 2022
jQuery v3.1.1
since Aug 2022
Preact
since Aug 2022

Miscellaneous

PWA
since Aug 2022

Operating systems

Debian
since Aug 2022

Programming languages

PHP
since Aug 2022

Security

HSTS
since Sep 2022

Web servers

Apache HTTP Server v2.4.68
since Aug 2022

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
  • Oct 2026 *: Allowed (was Restricted)

See who blocks each AI crawler across the web

AI Crawlers

No AI crawlers blocked

Full breakdown

Audience

  • 75% phone
  • 25% desktop
  • Germany

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

Open Page Rank

3.79 / 10 · ranked #721,176 of all domains

67 referring domains · OpenPageRank

Core Web Vitals

LCP1.4 s
INP75 ms
CLS0
TTFB500 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: English
  • Weight: 1.3 MB · 48 requests
  • Structured data: JSON-LD, Microdata

Homepage as crawled by the HTTP Archive, Sep 2026.

Organisation

  • Hotel an der Oper
  • Country: Germany

From Wikidata (CC0).

Infrastructure

  • Hosted on Hetzner (178.63.129.125)
  • DNS: ns14.net
  • Email: rz-inside.net
  • Email security: SPF (hard fail), no DMARC record
  • SSL: Let's Encrypt, RSA 4096, expires Dec 2026
  • Common Crawl link graph: rank 3,024,446, 3 hosts

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

Full technology history →
Report an incorrect detection

Look up any website for free

No paywall, no lead-gen, no account. Paste a domain and see what powers it.

No account neededHistory since 2018