What powers stadtwerke-heidenheim.de?
Last seen Sep 2026 · 26 technologies across 15 categories
Analytics
CMS
Ecommerce
Issue trackers
JavaScript frameworks
JavaScript libraries
Miscellaneous
Operating systems
Performance
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Security
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AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026. A recent check saw a policy file missing; awaiting confirmation.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 77% phone
- 23% desktop
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.27 / 10 · ranked #1,166,782 of all domains
33 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German (Germany)
- Weight: 2.0 MB · 37 requests
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Stadtwerke Heidenheim AG - Unternehmensgruppe (Stadtwerke Heidenheim on Wikidata)
- Founded: 1865
- Country: Germany
- Profiles: Facebook, Instagram, LinkedIn, YouTube
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on RHTEC-AS www.rh-tec.de (217.24.223.51)
- DNS: de-domain-dienste.de
- Email: Hornetsecurity
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 1,342,234, 7 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| order.stadtwerke-heidenheim.de | 10 |
| jobs.stadtwerke-heidenheim.de | 9 |
| www.stadtwerke-heidenheim.de | 6 |
| kundenportal.stadtwerke-heidenheim.de | 5 |
| login.stadtwerke-heidenheim.de | 4 |
Full technology history →
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Recent changes
- detected jQuery Migrate Aug 2026
- detected Tailwind CSS Jul 2026