What powers sapler.cz?
Last seen Oct 2026 · 18 technologies across 11 categories
Development
Turbopack
since Sep 2026
Font scripts
Google Font API
since Aug 2022
JavaScript frameworks
Next.js App Router
since Sep 2026
React
since Sep 2026
JavaScript libraries
Miscellaneous
PaaS
Vercel
since Sep 2026
Performance
Priority Hints
since Sep 2026
Programming languages
Node.js
since Sep 2026
Security
HSTS
since Sep 2025
Webmail
Microsoft 365
since Jul 2024
Widgets
Slider Revolution
since Mar 2023
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
- Sep 2026 robots.txt removed
AI Crawlers
No robots.txt, all AI crawlers allowed
Open Page Rank
1.05 / 10 · ranked #11,815,093 of all domains
2 referring domains · OpenPageRank
Page
- Language: Czech
- CDN: Vercel
- Weight: 1.7 MB · 59 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Amazon Web Services (216.198.79.1)
- DNS: ignum.com
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 16,801,026
- Verified with: Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Google Analytics Oct 2026
- dropped Nginx Oct 2026
- dropped Ruby Oct 2026
- dropped Ruby on Rails Oct 2026
- dropped Stimulus Oct 2026
- dropped Turbolinks Oct 2026
- dropped VideoJS Oct 2026
- detected Next.js Sep 2026
- detected Next.js App Router Sep 2026
- detected Node.js Sep 2026
- detected Priority Hints Sep 2026
- detected React Sep 2026
- detected Turbopack Sep 2026
- detected Vercel Sep 2026
- detected Webpack Sep 2026