What powers haas.tax?
Last seen Sep 2026 · 15 technologies across 14 categories
Analytics
Matomo Analytics
since Aug 2026
CMS
Pimcore
since Aug 2026
Cookie compliance
Hosting
ALL-INKL
since Aug 2026
Issue trackers
JavaScript libraries
Miscellaneous
Open Graph
since Aug 2026
Performance
Priority Hints
since Aug 2026
Programming languages
PHP
since Aug 2026
Security
HSTS
since Aug 2026
Tag managers
Matomo Tag Manager
since Aug 2026
Video players
YouTube
since Sep 2026
Web servers
Nginx
since Aug 2026
Webmail
Microsoft 365
since Aug 2026
AI Crawlers
Blocks 13 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- Applebot-Extended Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- Diffbot Blocked
- FacebookBot Blocked
- GPTBot Blocked
- ImagesiftBot Blocked
- meta-externalagent Blocked
- Webzio-Extended Blocked
Search and AI assistants
- Amazonbot Blocked
- PerplexityBot Blocked
- YouBot Blocked
The other 20 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
AI Crawlers
13 of 33 AI crawlers blocked
Audience
- 76% desktop
- 24% phone
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Core Web Vitals
| LCP | 1.6 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German
- Weight: 1.3 MB · 61 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Full technology history →
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Recent changes
- detected YouTube Sep 2026