What powers 
gut-cert.de?
Last seen Sep 2026 · 14 technologies across 10 categories
Caching
CDN
CMS
JavaScript libraries
Miscellaneous
Operating systems
Programming languages
Security
UI frameworks
Web servers
AI Crawlers
Restricts 2 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Search and AI assistants
- Amazonbot Restricted
- PerplexityBot Restricted
The other 31 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt found
- ai.txt not found
- Oct 2026 *: Restricted (was Blocked)
- Oct 2026 amazonbot added to robots.txt
- Oct 2026 perplexitybot added to robots.txt
- Oct 2026 *: Blocked (was Restricted)
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| itsk | #4 | 17 |
| behg | #10 | 1 |
| asi certified | #66 | 1 |
| asi certification | #59 | 1 |
| palmtrace | #47 | 1 |
| sustainability check | #32 | 0 |
| what is rspo certified | #51 | 0 |
| what is rspo certification | #52 | 0 |
| azav | #98 | 0 |
| redcert | #33 | 0 |
| responsiblesteel | #35 | 0 |
| plan-do check-act iso 9001 | #98 | 0 |
| plan-do check act iso 9001 | #86 | 0 |
| iris railway standard | #46 | 0 |
| iris railway certification | #53 | 0 |
| iso 22163 | #50 | 0 |
| ghg gut | #92 | 0 |
| insaudit | #42 | 0 |
| does safe exam browser use camera | #82 | 0 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
AI Crawlers
2 of 33 AI crawlers restricted
Standards: llms.txt
Audience
- 59% desktop
- 41% phone
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.53 / 10 · ranked #155,066 of all domains
162 referring domains · OpenPageRank
Search traffic
21 est. monthly organic visits (US)
19 keywords in Google's top 30
Core Web Vitals
| LCP | 1.8 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 0.6 MB · 42 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- GUTcert GmbH
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Hetzner (94.130.212.77)
- DNS: Cloudflare DNS
- Email: no MX record returned, SPF names Microsoft 365
- Email security: SPF (hard fail), DMARC reject
- SSL: DigiCert, RSA 2048, expires Apr 2027
- Common Crawl link graph: rank 7,026,796, 4 hosts
- Verified with: Brevo, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.gut-cert.de | 14 |
| docs.gut-cert.de | 3 |
Full technology history →
Report an incorrect detection
Recent changes
- detected jsDelivr Sep 2026
- detected Popper Sep 2026
- detected Open Graph Aug 2026
- detected Cloudflare Apr 2026
- dropped Font Awesome Nov 2025
- dropped jsDelivr Nov 2025
- dropped Popper Nov 2025