What powers 
maerker-gruppe.de?
Last seen Oct 2026 · 27 technologies across 18 categories
Advertising
Appointment scheduling
CMS
Cookie compliance
Databases
Hosting panels
JavaScript libraries
Maps
Miscellaneous
Performance
Programming languages
UI frameworks
Video players
Web frameworks
Web servers
Webmail
WordPress plugins
WordPress themes
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 Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 76% phone
- 24% desktop
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.63 / 10 · ranked #797,388 of all domains
23 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German
- Weight: 3.4 MB · 138 requests
- WordPress theme: hello-elementor (child: hello-theme-child-master) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- dev.sem-webagentur.com (Märker-Gruppe on Wikidata)
- Founded: 1889
- Sector: building material
- Country: Germany
From the homepage's own structured data (Oct 2026) and Wikidata (CC0).
Infrastructure
- Hosted on IONOS (194.164.201.54)
- Email: no MX record returned
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 9,902,408, 2 hosts
- Verified with: Apple Business, DocuSign, Microsoft 365
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted