What powers specdcbynov.cz?
Last seen Sep 2026 · 24 technologies across 13 categories
CDN
cdnjs
since Nov 2024
Cloudflare
since Nov 2024
Google Hosted Libraries
since Nov 2024
jsDelivr
since Nov 2024
Editors
Font scripts
Google Font API
since Nov 2024
JavaScript frameworks
AlertifyJS
since Nov 2021
JavaScript graphics
JavaScript libraries
Miscellaneous
Open Graph
since Nov 2024
Programming languages
PHP
since May 2020
Rich text editors
Security
reCAPTCHA
since Sep 2026
UI frameworks
Web servers
Apache HTTP Server
since May 2020
Webmail
Microsoft 365
since Aug 2022
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 checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 100% phone
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.44 / 10 · ranked #7,092,365 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Czech
- Weight: 10.2 MB · 117 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on IGNUM-AS Czech Republic (62.109.151.99, IPv6)
- DNS: savana.cz
- Email: Microsoft 365
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 4096, expires Dec 2026
- Common Crawl link graph: rank 19,014,508, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted