What powers hfak.de?
Last seen Aug 2026 · 26 technologies across 14 categories
Analytics
Google Analytics
since Feb 2026
CDN
Cloudflare
since Jul 2025
CMS
Databases
MySQL
since Aug 2022
Hosting
Strato
since Aug 2022
JavaScript frameworks
Vue.js
since Feb 2026
JavaScript libraries
Miscellaneous
Open Graph
since Nov 2022
RSS
since Jan 2023
Operating systems
UNIX
since Aug 2022
Performance
Priority Hints
since Feb 2024
Programming languages
Security
Cloudflare Bot Management
since Jul 2025
Cloudflare Turnstile
since Feb 2026
Web servers
WordPress plugins
Borlabs Cookie
since Feb 2026
Fluent Forms
since Jul 2026
RankMath SEO
since Feb 2026
WP Rocket
since Feb 2026
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.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Open Page Rank
2.76 / 10 · ranked #2,068,103 of all domains
19 referring domains · OpenPageRank
Organisation
- Höhere Fachschule für Augenoptik
- Founded: 1952
- Country: Germany
From Wikidata (CC0).
Infrastructure
- Hosted on STRATO (81.169.145.144, IPv6)
- DNS: STRATO
- Email: STRATO
- Email security: no SPF record, DMARC reject
- SSL: Sectigo, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 14,655,517, 2 hosts
- Verified with: Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Hello Elementor Aug 2026
- dropped Divi Mar 2026
- dropped EmbedPlus Mar 2026
- dropped hCaptcha Mar 2026
- dropped jQuery Mobile Mar 2026
- dropped Microsoft Advertising Mar 2026
- dropped Usercentrics Mar 2026
- dropped Yoast SEO Mar 2026