What powers heise-academy.de?
Last seen Sep 2026 · 64 technologies across 26 categories
Analytics
Authentication
Caching
CDN
CMS
Databases
Ecommerce
Font scripts
Hosting panels
Issue trackers
JavaScript frameworks
JavaScript libraries
Marketing automation
Miscellaneous
PaaS
Page builders
Performance
Programming languages
Security
Tag managers
UI frameworks
Web frameworks
Web servers
Widgets
WordPress plugins
WordPress themes
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 not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 57% phone
- 43% desktop
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.74 / 10 · ranked #282,418 of all domains
78 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German
- CDN: Cloudflare
- Weight: 21.8 MB · 103 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Cloudflare (199.60.103.16)
- DNS: heise.de
- Email: Hornetsecurity
- Email security: no SPF record, no DMARC record, CAA
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 8,918,505, 9 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| blog.heise-academy.de | 32 |
| heise-academy.de | 18 |
| shop.heise-academy.de | 16 |
| learn.heise-academy.de | 14 |
| app.heise-academy.de | 13 |
| www.heise-academy.de | 8 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Google Analytics Aug 2026
- detected Google Tag Manager Aug 2026
- dropped Next.js App Router Jul 2026
- detected AOS Jun 2026
- detected cdnjs Jun 2026
- detected Font Awesome Jun 2026
- detected HubSpot CMS Hub Jun 2026
- detected LazySizes Jun 2026
- dropped Linkedin Insight Tag Jun 2026
- detected Linkedin Insight Tag Apr 2026
- detected OpenResty Apr 2026
- dropped Linkedin Insight Tag Feb 2026
- detected Linkedin Insight Tag Dec 2025
- detected Cloudflare Nov 2025
- detected Cloudflare Bot Management Nov 2025