What powers 
summerdays.ch?
Last seen Oct 2026 · 39 technologies across 21 categories
Analytics
Google Analytics
since Dec 2019
CDN
CMS
Databases
MySQL
since Feb 2019
Sendgrid
since Aug 2025
Font scripts
Google Font API
since Sep 2025
Typekit
since Nov 2024
Hosting
Hostpoint
since Aug 2022
JavaScript frameworks
JavaScript libraries
Load balancers
Azure Front Door
since Sep 2025
Miscellaneous
Open Graph
since Sep 2022
PWA
since Nov 2025
Operating systems
Ubuntu
since Sep 2026
PaaS
Azure
since Sep 2025
Performance
Priority Hints
since Mar 2024
Programming languages
PHP
since Feb 2019
TypeScript
since Sep 2025
Security
Cloudflare Bot Management
since Mar 2026
Tag managers
Google Tag Manager
since Dec 2019
UI frameworks
Tailwind CSS
since Apr 2022
Video players
YouTube
since Feb 2019
Web servers
Apache HTTP Server
since Feb 2019
WordPress plugins
WP Featherlight
since Mar 2023
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Nov 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
- Nov 2026 * removed from robots.txt
- Oct 2026 robots.txt removed
- Oct 2026 *: Allowed (was Restricted)
- Sep 2026 *: Restricted (was Allowed)
- Sep 2026 *: Allowed (was Restricted)
- Aug 2026 *: Restricted (was Allowed)
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 100% phone
Switzerland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.16 / 10 · ranked #476,172 of all domains
59 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: German
- Weight: 2.5 MB · 33 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on HOSTPOINT-AS Hostpoint AG (217.26.54.6, IPv6)
- DNS: hostpoint.ch
- Email: hostpoint.ch
- Email security: SPF (hard fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 3,309,466, 4 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| alt.summerdays.ch | 20 |
| www.summerdays.ch | 18 |
| summerdays.ch | 13 |
| cashless.summerdays.ch | 9 |
| cashless2024.summerdays.ch | 8 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Oct 2026
- detected Cloudflare Bot Management Oct 2026
- detected jsDelivr Oct 2026
- dropped Cloudflare Jul 2026
- dropped Cloudflare Bot Management Jul 2026
- detected Google Tag Manager May 2026
- detected Cloudflare Mar 2026
- detected Cloudflare Bot Management Mar 2026
- detected DigitalOcean Spaces Mar 2026
- dropped Typekit Dec 2025