What powers semestra.ch?
Last seen Aug 2026 · 13 technologies across 10 categories
Advertising
Analytics
Font Scripts
JavaScript graphics
JavaScript Libraries
Security
Tag managers
UI frameworks
Web servers
Widgets
AI Crawlers
Blocks all crawlers by default in robots.txt (User-agent: *). Checked Sep 2026.
Training crawlers
- Applebot-Extended Restricted
- ClaudeBot Restricted
- Google-Extended Restricted
- GPTBot Restricted
- meta-externalagent Restricted
Search and AI assistants
- Applebot Restricted
- Claude-SearchBot Restricted
- DuckAssistBot Restricted
- OAI-SearchBot Restricted
- PerplexityBot Restricted
User-request fetchers
- ChatGPT-User Restricted
- Claude-User Restricted
- meta-externalfetcher Restricted
- MistralAI-User Restricted
- Perplexity-User Restricted
The other 18 AI crawlers we track are not mentioned and are blocked by the catch-all rule (User-agent: *).
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
All crawlers blocked
Audience
- 65% phone
- 35% desktop
Switzerland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.27 / 10 · ranked #1,171,983 of all domains
24 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 175 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German
- Weight: 1.1 MB · 23 requests
- Structured data: Microdata
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on EVERYWARE-NET (217.20.195.199)
- DNS: jobchannel.ch
- Email: jobchannel.ch
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 11,364,108, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| semestra.ch | 9 |
| www.semestra.ch | 8 |