What powers shadowbox.cz?
Last seen Sep 2026 · 12 technologies across 8 categories
Analytics
Cloudflare Browser Insights
since Nov 2025
Fathom
since Dec 2021
CDN
Cloudflare
since Dec 2021
jQuery CDN
since Aug 2022
Font scripts
Google Font API
since Dec 2021
JavaScript libraries
Miscellaneous
HTTP/3
since Sep 2022
Open Graph
since Sep 2022
Programming languages
PHP
since Dec 2021
UI frameworks
Web frameworks
Nette Framework
since Dec 2021
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Open Page Rank
3.14 / 10 · ranked #1,358,890 of all domains
17 referring domains · OpenPageRank
Page
- CDN: Cloudflare
- Weight: 0.6 MB · 35 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Cloudflare (104.21.70.146, IPv6)
- DNS: Cloudflare DNS
- Email: Seznam Email
- Email security: SPF (soft fail), DMARC quarantine
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Oct 2026
- Common Crawl link graph: rank 1,091,386, 4 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Google Workspace Jul 2026
- detected Cloudflare Browser Insights Nov 2025