What powers 
languageknowledge.eu?
Last seen Sep 2026 · 12 technologies across 7 categories
Analytics
JavaScript frameworks
Miscellaneous
PaaS
Programming languages
Security
UI frameworks
AI Crawlers
Does not block any of the 33 AI crawlers we track in its robots.txt. Checked Oct 2026.
Training crawlers
- Applebot-Extended Allowed
- CCBot Allowed
- ClaudeBot Allowed
- Google-Extended Allowed
- GPTBot Allowed
Search and AI assistants
- PerplexityBot Allowed
The other 27 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt found
- ai.txt not found
- Oct 2026 applebot-extended added to robots.txt
- Oct 2026 perplexitybot added to robots.txt
- Oct 2026 gptbot added to robots.txt
- Oct 2026 claudebot added to robots.txt
- Oct 2026 ccbot added to robots.txt
- Oct 2026 google-extended added to robots.txt
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 74% desktop
- 26% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.02 / 10 · ranked #553,419 of all domains
62 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Vercel
- Weight: 0.3 MB · 23 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Amazon Web Services (76.76.21.21)
- DNS: OVHcloud
- Email: OVHcloud
- Email security: no SPF record, no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 78,328
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted