What powers 
corhelper.de?
Last seen Sep 2026 · 40 technologies across 22 categories
Advertising
Microsoft Advertising
since Dec 2024
Analytics
Microsoft Clarity
since Nov 2021
Caching
CDN
CMS
WordPress
since Jun 2021
Comment systems
Cookie compliance
Usercentrics
since Nov 2021
Databases
MySQL
since Jun 2021
Amazon SES
since Aug 2022
Font scripts
Font Awesome
since Jun 2021
Twitter Emoji (Twemoji)
since Jul 2021
JavaScript frameworks
JavaScript graphics
Chart.js
since May 2023
JavaScript libraries
Maps
Miscellaneous
PaaS
Amazon Web Services
since Aug 2022
Programming languages
PHP
since Jun 2021
Security
UI frameworks
Web servers
Apache HTTP Server
since Jun 2021
WordPress plugins
W3 Total Cache
since Nov 2021
WordPress themes
AI Crawlers
Blocks all crawlers by default in robots.txt (User-agent: *). Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Oct 2026 *: Blocked (was Allowed)
- Sep 2026 *: Allowed (was Blocked)
- Sep 2026 *: Blocked (was Allowed)
AI Crawlers
All crawlers blocked
Audience
- 100% phone
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.74 / 10 · ranked #742,414 of all domains
36 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German
- CDN: Cloudflare
- Weight: 4.0 MB · 123 requests
- WordPress theme: astra (child: astra-child) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Corhelper - Die intelligente Alarmierungs-App für Herzensretter
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Cloudflare (141.193.213.10)
- DNS: eurodns.com
- Email: Amazon SES / WorkMail
- Email security: SPF (hard fail), DMARC quarantine
- SSL: Sectigo, RSA 2048, wildcard, expires Mar 2027
- Common Crawl link graph: rank 234,743, 2 hosts
- Verified with: GlobalSign
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.corhelper.de | 28 |
| corhelper.de | 26 |
| admin.corhelper.de | 14 |
Full technology history →
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Recent changes
- detected hCaptcha Sep 2026