What powers salfer.de?
Last seen Oct 2026 · 15 technologies across 11 categories
CMS
JavaScript libraries
Maps
Miscellaneous
PaaS
Programming languages
SEO
UI frameworks
Web frameworks
Web servers
Webmail
AI Crawlers
Restricts 9 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- ClaudeBot Restricted
- Google-Extended Restricted
- GPTBot Restricted
Search and AI assistants
- Claude-SearchBot Restricted
- OAI-SearchBot Restricted
- PerplexityBot Restricted
User-request fetchers
- ChatGPT-User Restricted
- Claude-User Restricted
- Perplexity-User Restricted
The other 24 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 llms.txt appeared
AI Crawlers
9 of 33 AI crawlers restricted
Standards: llms.txt
Audience
- 56% phone
- 44% desktop
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.20 / 10 · ranked #3,103,452 of all domains
17 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German
- Weight: 4.2 MB · 50 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Salfer | IT-Dienstleister, Bürotechnik, Büroeinrichtung
- Profiles: Facebook, LinkedIn, YouTube, Instagram
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on NMM-AS D - 02742 Friedersdorf Hauptstrasse 68 (85.13.141.124)
- DNS: Azure DNS
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 16,634,157, 2 hosts
- Verified with: 1Password, Apple Business, Google, Sophos
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Apache HTTP Server Dec 2025