What powers 
srk-basel.ch?
Last seen Aug 2026 · 21 technologies across 14 categories
Analytics
Google Analytics
since Jul 2019
CDN
Cloudflare
since Nov 2021
CMS
Concrete CMS
since Jul 2019
Font scripts
Font Awesome
since Jul 2019
JavaScript libraries
Miscellaneous
Operating systems
Ubuntu
since Jul 2019
Programming languages
PHP
since Jul 2019
Rich text editors
TinyMCE
since Feb 2024
Security
Cloudflare Bot Management
since Nov 2021
HSTS
since Feb 2024
Tag managers
Google Tag Manager
since Jul 2019
UI frameworks
Bootstrap
since Feb 2021
Web servers
Apache HTTP Server
since Jul 2019
Nginx
since Jun 2020
Webmail
Microsoft 365
since Aug 2025
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
AI Crawlers
No AI crawlers blocked
Audience
- 76% phone
- 24% desktop
Switzerland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.04 / 10 · ranked #542,181 of all domains
42 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German
- Weight: 1.0 MB · 59 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on XELON (185.195.196.70)
- DNS: IBM NS1
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 2,887,655, 3 hosts
- Verified with: Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.srk-basel.ch | 14 |
| srk-basel.ch | 10 |
| kurse.srk-basel.ch | 3 |