What powers 
herz-energie.at?
Last seen Sep 2026 · 16 technologies across 12 categories
Caching
CMS
Databases
Font scripts
Hosting
JavaScript libraries
Miscellaneous
Performance
Programming languages
SEO
Web servers
WordPress plugins
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 67% phone
- 33% desktop
Germany
Austria
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.80 / 10 · ranked #714,552 of all domains
45 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German (Germany)
- Weight: 6.0 MB · 39 requests
- WordPress theme: avada (child: avada-child-theme) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on IONOS (217.160.0.155, IPv6)
- DNS: IONOS
- Email: no MX record returned
- Email security: SPF (hard fail), DMARC reject
- SSL: Sectigo, RSA 2048, expires Feb 2027
- Common Crawl link graph: rank 10,860,326, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Bootstrap Aug 2026
- dropped Contact Form 7 Aug 2026
- dropped jQuery Aug 2026
- dropped jQuery Migrate Aug 2026
- dropped jQuery UI Aug 2026
- dropped Lightbox Aug 2026
- dropped Linkedin Insight Tag Aug 2026
- dropped SoundManager Aug 2026
- detected Smart Slider 3 Jul 2026
- dropped Cloudflare Mar 2026
- dropped HTTP/3 Mar 2026
- detected Apache HTTP Server Feb 2026
- detected IONOS Feb 2026