What powers 
sjf.ch?
Last seen Aug 2026 · 39 technologies across 22 categories
Advertising
Analytics
CDN
CMS
Cookie compliance
Databases
Font scripts
Hosting
JavaScript frameworks
JavaScript libraries
Miscellaneous
Operating systems
Performance
Programming languages
Security
SEO
Tag managers
UI frameworks
Video players
Web servers
Webmail
WordPress plugins
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Aug 2026 *: Restricted (was Allowed)
- Aug 2026 *: Allowed (was Restricted)
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| istf | #28 | 1 |
| why orcas don't attack humans | #75 | 0 |
| talent forum | #24 | 0 |
| swiss forums | #75 | 0 |
| are wild killer whales dangerous | #65 | 0 |
| azores boat adventures | #44 | 0 |
| space camp jacket | #46 | 0 |
| jugend forscht | #65 | 0 |
| jugend forscht | #23 | 0 |
| killer whale attacks person | #75 | 0 |
| giovent | #52 | 0 |
| do killer whales kill you | #84 | 0 |
| do humans hunt killer whales | #81 | 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
No AI crawlers blocked
Audience
- 57% desktop
- 43% phone
Switzerland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.94 / 10 · ranked #114,202 of all domains
139 referring domains · OpenPageRank
Search traffic
1 est. monthly organic visits (US)
13 keywords in Google's top 30
Core Web Vitals
| LCP | 2.1 s |
| INP | 50 ms |
| CLS | 0.1 |
| TTFB | 1400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German (Switzerland)
- Weight: 2.5 MB · 45 requests
- WordPress theme: avada (child: avada-child-theme) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on HOSTPOINT-AS (217.26.53.199, IPv6)
- DNS: hostpoint.ch
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 87,873, 10 hosts
- Verified with: Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| sjf.ch | 28 |
| inspiration.sjf.ch | 23 |
| events-de.sjf.ch | 15 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Cloudflare Browser Insights Aug 2026
- dropped HTTP/3 Aug 2026
- detected Hostpoint Jul 2026
- detected core-js Jun 2026
- detected reCAPTCHA Jun 2026
- dropped Google Font API May 2026
- dropped Select2 May 2026
- detected Cloudflare Browser Insights Nov 2025