What powers grolman-group.com?
Last seen Sep 2026 · 24 technologies across 14 categories
Caching
Redis Object Cache
since Jun 2025
CMS
Databases
Font scripts
Google Font API
since Aug 2022
Twitter Emoji (Twemoji)
since Aug 2022
Hosting
Hetzner
since Aug 2022
JavaScript libraries
Miscellaneous
Page builders
Performance
Priority Hints
since Apr 2025
Programming languages
PHP
since Aug 2022
Security
HSTS
since Sep 2022
Web servers
Nginx
since Aug 2022
WordPress plugins
WordPress themes
Twenty Twenty-One
since Aug 2022
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Open Page Rank
3.30 / 10 · ranked #1,124,318 of all domains
49 referring domains · OpenPageRank
Page
- Language: German
- Weight: 1.2 MB · 73 requests
- WordPress theme: hello-elementor · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Hetzner (159.69.221.197, IPv6)
- Email: grolman-group.com
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 8,571,043, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.grolman-group.com | 21 |
| web2.grolman-group.com | 15 |