What powers 
testerheld.de?
Last seen Oct 2026 · 53 technologies across 24 categories
Advertising
Analytics
CDN
CMS
Customer data platform
Databases
Documentation
Font scripts
Issue trackers
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Miscellaneous
PaaS
Performance
Programming languages
Reverse proxies
Reviews
RUM
Security
Tag managers
UI frameworks
WordPress plugins
AI Crawlers
Restricts 1 of 33 AI crawlers we track by name in its robots.txt. Checked Nov 2026.
Search and AI assistants
- Applebot Restricted
The other 32 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Nov 2026 *: Restricted (was Allowed)
- Nov 2026 applebot added to robots.txt
- Oct 2026 *: Allowed (was Restricted)
- Oct 2026 applebot removed from robots.txt
- Oct 2026 *: Restricted (was Allowed)
- Oct 2026 applebot added to robots.txt
AI Crawlers
1 of 33 AI crawlers restricted
Audience
- 94% phone
- 6% tablet
Germany
Austria
Syria
Iran
Switzerland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.13 / 10 · ranked #488,361 of all domains
58 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: German
- Weight: 5.0 MB · 150 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Amazon Web Services (32.189.59.208)
- DNS: Amazon Route 53
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 4096, expires Jan 2027
- Common Crawl link graph: rank 128,406, 5 hosts
- Verified with: Google
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| app.testerheld.de | 24 |
| testerheld.de | 24 |
| www.testerheld.de | 16 |
| v2.testerheld.de | 14 |
| support.testerheld.de | 7 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Datadog Feb 2026
- dropped PayPal Feb 2026
- detected Google Tag Manager Jan 2026