What powers grassl-ing.de?
Last seen Aug 2026 · 11 technologies across 9 categories
Caching
CMS
Contao
since Feb 2022
JavaScript libraries
Miscellaneous
PWA
since Aug 2022
Programming languages
PHP
since Apr 2019
Security
HSTS
since Aug 2025
Video players
Plyr
since Jul 2022
Web servers
Apache HTTP Server
since Apr 2019
Webmail
Apple iCloud Mail
since Dec 2024
Microsoft 365
since Aug 2022
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 Aug 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 62% phone
- 38% desktop
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.04 / 10 · ranked #1,524,542 of all domains
35 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 31.9 MB · 67 requests
- Structured data: JSON-LD, Microdata
Homepage as crawled by the HTTP Archive, Sep 2026.
Full technology history →
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