What powers bcb.cz?
Last seen Aug 2026 · 35 technologies across 20 categories
Analytics
Google Analytics
since Feb 2019
Matomo Analytics
since Jul 2025
Caching
Redis Object Cache
since Nov 2023
CDN
cdnjs
since Nov 2021
CMS
WordPress
since Feb 2019
Databases
Editors
Amazon SES
since Aug 2022
Font scripts
Google Font API
since Feb 2019
JavaScript frameworks
JavaScript libraries
FancyBox
since Jul 2025
LazySizes
since Jul 2026
Lightbox
since Oct 2020
Modernizr
since Jul 2025
OWL Carousel
since Jul 2025
Miscellaneous
Operating systems
Windows Server
since Dec 2020
PaaS
Amazon Web Services
since Aug 2022
Performance
Priority Hints
since Nov 2023
Programming languages
PHP
since Feb 2019
Security
HSTS
since Feb 2023
UI frameworks
Bootstrap
since Dec 2020
Web servers
Webmail
Microsoft 365
since Aug 2022
Widgets
Slider Revolution
since Jul 2025
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 50% phone
- 50% desktop
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.62 / 10 · ranked #384,232 of all domains
83 referring domains · OpenPageRank
Search traffic
6 est. monthly organic visits (US)
6 keywords in Google's top 30
Core Web Vitals
| LCP | 0.6 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Czech
- Weight: 1.4 MB · 30 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Roman Catholic Diocese of České Budějovice
- Founded: 1785
- Country: Czech Republic
From Wikidata (CC0).
Infrastructure
- Hosted on INTERNET-CZ Ktis 2, 384 03 Ktis (193.105.158.197)
- DNS: webdesignum.cz
- Email: Microsoft 365
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, ECDSA P256, expires Oct 2026
- Common Crawl link graph: rank 812,409, 20 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| prolidi.bcb.cz | 18 |
| www.farnostck.bcb.cz | 14 |
| www.bcb.cz | 12 |
| farnostkajov.bcb.cz | 10 |
| www.sevetin.bcb.cz | 5 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Yoast SEO Aug 2026
- dropped Facebook Login Jul 2026
- detected HTTP/3 Jul 2026
- detected IIS Jul 2026
- detected LazySizes Jul 2026
- detected PWA Jul 2026
- detected Windows Server Jul 2026