What powers 
pfirsi.ch?
Last seen Oct 2026 · 32 technologies across 21 categories
Analytics
CDN
CMS
Comment systems
Databases
Ecommerce
Font scripts
Hosting panels
Issue trackers
JavaScript frameworks
JavaScript libraries
Miscellaneous
PaaS
Payment processors
Programming languages
Security
Tag managers
UI frameworks
Web servers
Webmail
Widgets
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Nov 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
- Sep 2026 llms.txt appeared
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 70% phone
- 30% desktop
Switzerland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.47 / 10 · ranked #406,920 of all domains
52 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| INP | 125 ms |
| CLS | 0.05 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German
- CDN: Cloudflare
- Weight: 4.4 MB · 197 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Cloudflare (104.21.80.124, IPv6)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 167,239, 3 hosts
- Verified with: Google, Stripe
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.pfirsi.ch | 29 |
| pfirsi.ch | 21 |
Full technology history →
Report an incorrect detection
Recent changes
- detected HSTS Oct 2026
- detected TanStack Start Oct 2026
- detected Vercel Oct 2026
- dropped All in One SEO Pack Sep 2026
- dropped Umami Sep 2026
- dropped Cloudflare Browser Insights Jun 2026
- dropped All in One SEO May 2026
- dropped Cloudflare Bot Management May 2026
- dropped GoDaddy CoBlocks May 2026
- dropped GSAP May 2026
- dropped hCaptcha May 2026
- dropped Moment.js May 2026
- dropped Preact May 2026
- dropped Priority Hints May 2026
- dropped RSS May 2026
- dropped SVG Support May 2026
- dropped Swiper May 2026
- dropped WooCommerce May 2026
- dropped WordPress Block Editor May 2026
- dropped WP Rocket May 2026
- dropped WPForms May 2026
- detected cdnjs Apr 2026
- detected Cloudflare Browser Insights Apr 2026
- detected Google Tag Manager Apr 2026
- detected HTTP/3 Apr 2026
- detected Radix UI Apr 2026
- detected React Router Apr 2026
- detected Sentry Apr 2026
- detected shadcn/ui Apr 2026
- detected Tailwind CSS Apr 2026
- dropped core-js Feb 2026
- detected Cart Functionality Jan 2026
- detected Preact Jan 2026